Download - 31041302-MA5100 Installation Manual(V2.50)
Chapter 1 Equipment Overview 1-1......................................................................
1.1 Cabinet Overview 1-1...................................................................................1.2 Frame Overview 1-2.....................................................................................1.3 Typical Configurations of the MA5100 Cabinet 1-3......................................
1.3.1 Configuration with SPL Frame 1-3.......................................................1.3.2 Configuration with No SPL Frame 1-5.................................................
Chapter 2 Installation Preparation 2-1.................................................................
2.1 Project Preparation 2-1.................................................................................2.1.1 Technical Documents Required 2-1.....................................................2.1.2 Tools and Instruments Required 2-1....................................................
2.2 Site Requirements 2-2..................................................................................2.2.1 Construction Conditions 2-2.................................................................2.2.2 Environmental Requirements 2-3.........................................................2.2.3 Floor Loading Considerations 2-3........................................................2.2.4 Power Supply Requirements 2-3.........................................................2.2.5 Peripherals 2-3.....................................................................................2.2.6 Grounding Requirements 2-4...............................................................2.2.7 Other Facilities 2-4...............................................................................
Chapter 3 Equipment Installation 3-1...................................................................
3.1 Cabinet Installation on the Cement Ground 3-1...........................................3.1.1 Installation Flow 3-1.............................................................................3.1.2 Cabinet Positioning 3-2........................................................................3.1.3 Cabinet Leveling 3-6............................................................................3.1.4 Cabinet Fastening 3-7..........................................................................3.1.5 Insulation Test 3-8................................................................................
3.2 Cabinet Installation on Raised Floor 3-10......................................................3.2.1 Introduction to S600A Support and Slide Rail 3-11................................3.2.2 Installation Flow 3-13.............................................................................3.2.3 Cabinet Positioning 3-14........................................................................3.2.4 Support Positioning 3-14........................................................................3.2.5 Support Installation 3-18........................................................................3.2.6 Installing Supporting Accessories of Raised Floor 3-21.........................3.2.7 Cabinet Leveling 3-22............................................................................3.2.8 Cabinet Fastening 3-23..........................................................................3.2.9 Insulation Test 3-24................................................................................3.2.10 Floor Recovery 3-24.............................................................................
3.3 Installing the Cabling Rack 3-26.....................................................................3.3.1 Parts of the Cabling Rack 3-27..............................................................3.3.2 Installation Flow of the Cabling Rack 3-28.............................................
3.3.3 Shockproof and reinforcement measures for the cabling rack 3-38.......3.4 Installation of Side Doors 3-39.......................................................................3.5 Installing MA5100 Frame 3-41.......................................................................3.6 Mounting and Removing a Board 3-42...........................................................3.7 Cleansing and Installing the Air Filter 3-43.....................................................
Chapter 4 Installing Power Supply System 4-1...................................................
4.1 Overview 4-1................................................................................................4.2 Installing AC Power Supply System and Corollary Equipment 4-1..............
4.2.1 Installing Lightning Protection Box 4-1.................................................4.2.2 Installing Primary Power Module 4-5...................................................4.2.3 Installing the Battery 4-11......................................................................
4.3 Installing Signal Transfer Box 4-16.................................................................4.4 Installing DC Power Distribution Box 4-18......................................................
4.4.1 Installing Power Distribution Frame 4-18...............................................4.4.2 Connecting Cables 4-19.........................................................................
4.5 Installing Power Cords and Grounding Cables for CombinedCabinets 4-22.......................................................................................................
Chapter 5 Arrangement of Cables and Optical Fibers 5-1.................................
5.1 Cabling Requirements 5-1............................................................................5.2 Arrangement of Cables 5-4..........................................................................
5.2.1 Overview 5-4........................................................................................5.2.2 Installing MMXC Cable 5-5..................................................................5.2.3 Installing ADL Cable 5-8......................................................................5.2.4 Installing LAND Cable 5-14....................................................................5.2.5 Installing SHLA Cable 5-17....................................................................5.2.6 Installing ISU Cable 5-19.......................................................................5.2.7 Installing IMU Cable 5-22.......................................................................5.2.8 Installing E8IT Cable 5-25......................................................................5.2.9 Installing Master-slave Subtending Cable 5-26......................................5.2.10 Installing AIU Cable 5-29.....................................................................
5.3 Installing and Arranging Optical Fiber 5-31....................................................
Chapter 6 Checking Hardware Installation 6-1....................................................
6.1 Making Overall Inspection 6-1......................................................................6.2 Checking System Power Supply 6-3............................................................6.3 Checking System Status after Power-on 6-3................................................
Chapter 7 Appendix 7-1.........................................................................................
7.1 Cabinet Specifications 7-1............................................................................7.2 Wiring Diagrams 7-3.....................................................................................
7.2.1 AC Power System + 1 MA5100 Service Frame 7-3.............................
7.2.2 DC Power System + 1 MA5100 Service Frame 7-5.............................7.2.3 AC Power System + 2 MA5100 Service Frames 7-7...........................7.2.4 DC Power System + 2 MA5100 Service Frames 7-9...........................7.2.5 DC Power System + 3 MA5100 Service Frames 7-11...........................
7.3 Introduction of Cables 7-12............................................................................7.3.1 CON Cable 7-12.....................................................................................7.3.2 ADSL Cable 7-13...................................................................................7.3.3 32-port SPLC Cable 7-15.......................................................................7.3.4 Network Cable 7-16...............................................................................7.3.5 Making Network Cables 7-18.................................................................7.3.6 SLHA Cable 7-22...................................................................................7.3.7 E8IT Cable 7-23.....................................................................................7.3.8 Master-slave Subtending Cable 7-24.....................................................
7.4 Engineering Labels for Cables 7-24...............................................................7.4.1 Introduction to Labels 7-25.....................................................................7.4.2 Printing Labels 7-26...............................................................................7.4.3 Writing Labels 7-28................................................................................7.4.4 Affixing Labels 7-29................................................................................7.4.5 Information Carried on Labels 7-31........................................................7.4.6 Remarks 7-32.........................................................................................7.4.7 Engineering Labels for External Cables of Alarm Box 7-32...................7.4.8 Engineering Labels for Ethernet Cables 7-33........................................7.4.9 Engineering Labels for Optical Fibers 7-35............................................7.4.10 Engineering Labels for Trunk Cables 7-37...........................................7.4.11 Engineering Labels for Subscriber Cables 7-40...................................7.4.12 Engineering Labels for Power Cables 7-41..........................................
HUAWEI
SmartAX MA5100 Multi-service Access Module Installation Manual
V200R005
SmartAX MA5100 Multi-service Access Module
Installation Manual
Manual Version T2-050402-20040310-C-2.50
Product Version V200R005
BOM 31041302
Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service. Please feel free to contact our local office or company headquarters.
Huawei Technologies Co., Ltd.
Address: Administration Building, Huawei Technologies Co., Ltd.,
Bantian, Longgang District, Shenzhen, P. R. China
Postal Code: 518129
Website: http://www.huawei.com
Email: [email protected]
Copyright © 2004 Huawei Technologies Co., Ltd.
All Rights Reserved
No part of this manual may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.
Trademarks
, HUAWEI, C&C08, EAST8000, HONET, , ViewPoint, INtess, ETS, DMC,
TELLIN, InfoLink, Netkey, Quidway, SYNLOCK, Radium, M900/M1800, TELESIGHT, Quidview, Musa, Airbridge, Tellwin, Inmedia, VRP, DOPRA, iTELLIN, HUAWEI OptiX, C&C08 iNET, NETENGINE, OptiX, iSite, U-SYS, iMUSE, OpenEye, Lansway, SmartAX, infoX, TopEng are trademarks of Huawei Technologies Co., Ltd.
All other trademarks mentioned in this manual are the property of their respective holders.
Notice
The information in this manual is subject to change without notice. Every effort has been made in the preparation of this manual to ensure accuracy of the contents, but all statements, information, and recommendations in this manual do not constitute the warranty of any kind, express or implied.
About This Manual
Release Notes
The product version is Smart AX MA5100 Multi-service Access Module V200R005.
Related Manuals
The following manuals provide more information about the MA5100 Multi-service Access Module.
Manual Content
SmartAX MA5100/5103 Multi-service Access Module Technical Manual
It provides an overall introduction to the MA5100, including the software structure, hardware structure, applications and technical specifications.
SmartAX MA5100/5103 Multi-service Access Module Operation Manual
It is used for assisting the users in data configurations and typical applications.
SmartAX MA5100 Multi-service Access Module Installation Manual
It provides information for the system installation, including the installation of the cables, power system and various boards.
SmartAX MA5100/5103 Multi-service Access Module Command Manual
It introduces all commands available in the MA5100, as well as the command usage and examples. It is not included in the package of documentation shipped with the equipment. For specific command reference, consult the related electronic documentation.
Organization
The manual introduces installation procedures of the MA5100 hardware. There are seven chapters in the manual.
Chapter 1 Equipment Overview provides information on MA5100 cabinet and some typical configurations.
Chapter 2 Installation Preparation discusses the environment requirements on MA5100 installation.
Chapter 3 Equipment Installation elaborates on cabinet installation, mounting and dismounting boards.
Chapter 4 Installing Power Supply System focuses on the installation of power supply system and main distribution equipment.
Chapter 5 Arrangement of Cables and Optical Fibers describes in detail the board cabling.
Chapter 6 Checking Hardware Installation introduces items to be checked after equipment installation is completed.
Chapter 7 Appendix covers equipment dimensions, weight and power consumption.
Intended Audience
The manual is intended for the following readers:
Telecommunication administrators Telecommunication technicians Engineering technicians of SmartAX MA5100 Multi-service Access Module
Conventions
The manual uses the following conventions:
I. General conventions
Convention Description
Arial Normal paragraphs are in Arial.
Arial Narrow Warnings, Cautions, Notes and Tips are in Arial Narrow.
II. Symbols
Eye-catching symbols are also used in the manual to highlight the points worthy of special attention during the operation. They are defined as follows:
Caution, Warning, Danger: Means reader be extremely careful during the
operation.
Note, Comment, Tip, Knowhow, Thought: Means a complementary description.
Environmental Protection
This product has been designed to comply with the requirements on environmental protection. For the proper storage, use and disposal of this product, national laws and regulations must be observed.
Installation Manual SmartAX MA5100 Multi-service Access Module Table of Contents
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Table of Contents
Chapter 1 Equipment Overview ................................................................................................... 1-1 1.1 Cabinet Overview............................................................................................................... 1-1 1.2 Frame Overview................................................................................................................. 1-2 1.3 Typical Configurations of the MA5100 Cabinet ................................................................. 1-3
1.3.1 Configuration with SPL Frame ................................................................................ 1-3 1.3.2 Configuration with No SPL Frame........................................................................... 1-5
Chapter 2 Installation Preparation............................................................................................... 2-1 2.1 Project Preparation ............................................................................................................ 2-1
2.1.1 Technical Documents Required .............................................................................. 2-1 2.1.2 Tools and Instruments Required............................................................................. 2-1
2.2 Site Requirements ............................................................................................................. 2-2 2.2.1 Construction Conditions .......................................................................................... 2-2 2.2.2 Environmental Requirements.................................................................................. 2-3 2.2.3 Floor Loading Considerations ................................................................................. 2-3 2.2.4 Power Supply Requirements................................................................................... 2-3 2.2.5 Peripherals .............................................................................................................. 2-3 2.2.6 Grounding Requirements ........................................................................................ 2-4 2.2.7 Other Facilities ........................................................................................................ 2-4
Chapter 3 Equipment Installation ................................................................................................ 3-1 3.1 Cabinet Installation on the Cement Ground ...................................................................... 3-1
3.1.1 Installation Flow....................................................................................................... 3-1 3.1.2 Cabinet Positioning ................................................................................................. 3-2 3.1.3 Cabinet Leveling...................................................................................................... 3-6 3.1.4 Cabinet Fastening ................................................................................................... 3-7 3.1.5 Insulation Test ......................................................................................................... 3-8
3.2 Cabinet Installation on Raised Floor................................................................................ 3-10 3.2.1 Introduction to S600A Support and Slide Rail....................................................... 3-11 3.2.2 Installation Flow..................................................................................................... 3-13 3.2.3 Cabinet Positioning ............................................................................................... 3-14 3.2.4 Support Positioning ............................................................................................... 3-14 3.2.5 Support Installation ............................................................................................... 3-18 3.2.6 Installing Supporting Accessories of Raised Floor................................................ 3-21 3.2.7 Cabinet Leveling.................................................................................................... 3-22 3.2.8 Cabinet Fastening ................................................................................................. 3-23 3.2.9 Insulation Test ....................................................................................................... 3-24 3.2.10 Floor Recovery.................................................................................................... 3-24
3.3 Installing the Cabling Rack .............................................................................................. 3-26
Installation Manual SmartAX MA5100 Multi-service Access Module Table of Contents
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3.3.1 Parts of the Cabling Rack ..................................................................................... 3-27 3.3.2 Installation Flow of the Cabling Rack.................................................................... 3-28 3.3.3 Shockproof and reinforcement measures for the cabling rack ............................. 3-38
3.4 Installation of Side Doors................................................................................................. 3-39 3.5 Installing MA5100 Frame................................................................................................. 3-41 3.6 Mounting and Removing a Board .................................................................................... 3-42 3.7 Cleansing and Installing the Air Filter .............................................................................. 3-43
Chapter 4 Installing Power Supply System ................................................................................ 4-1 4.1 Overview ............................................................................................................................ 4-1 4.2 Installing AC Power Supply System and Corollary Equipment ......................................... 4-1
4.2.1 Installing Lightning Protection Box.......................................................................... 4-1 4.2.2 Installing Primary Power Module............................................................................. 4-5 4.2.3 Installing the Battery.............................................................................................. 4-11
4.3 Installing Signal Transfer Box .......................................................................................... 4-16 4.4 Installing DC Power Distribution Box............................................................................... 4-18
4.4.1 Installing Power Distribution Frame ...................................................................... 4-18 4.4.2 Connecting Cables................................................................................................ 4-19
4.5 Installing Power Cords and Grounding Cables for Combined Cabinets.......................... 4-22
Chapter 5 Arrangement of Cables and Optical Fibers............................................................... 5-1 5.1 Cabling Requirements ....................................................................................................... 5-1 5.2 Arrangement of Cables...................................................................................................... 5-4
5.2.1 Overview ................................................................................................................. 5-4 5.2.2 Installing MMXC Cable............................................................................................ 5-5 5.2.3 Installing ADL Cable................................................................................................ 5-8 5.2.4 Installing LAND Cable ........................................................................................... 5-14 5.2.5 Installing SHLA Cable ........................................................................................... 5-17 5.2.6 Installing ISU Cable............................................................................................... 5-19 5.2.7 Installing IMU Cable .............................................................................................. 5-22 5.2.8 Installing E8IT Cable ............................................................................................. 5-25 5.2.9 Installing Master-slave Subtending Cable............................................................. 5-26 5.2.10 Installing AIU Cable............................................................................................. 5-29
5.3 Installing and Arranging Optical Fiber.............................................................................. 5-31
Chapter 6 Checking Hardware Installation ................................................................................. 6-1 6.1 Making Overall Inspection ................................................................................................. 6-1 6.2 Checking System Power Supply........................................................................................ 6-3 6.3 Checking System Status after Power-on........................................................................... 6-3
Chapter 7 Appendix....................................................................................................................... 7-1 7.1 Cabinet Specifications ....................................................................................................... 7-1 7.2 Wiring Diagrams ................................................................................................................ 7-3
7.2.1 AC Power System + 1 MA5100 Service Frame...................................................... 7-3 7.2.2 DC Power System + 1 MA5100 Service Frame...................................................... 7-5
Installation Manual SmartAX MA5100 Multi-service Access Module Table of Contents
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7.2.3 AC Power System + 2 MA5100 Service Frames .................................................... 7-7 7.2.4 DC Power System + 2 MA5100 Service Frames.................................................... 7-9 7.2.5 DC Power System + 3 MA5100 Service Frames.................................................. 7-11
7.3 Introduction of Cables...................................................................................................... 7-12 7.3.1 CON Cable ............................................................................................................ 7-12 7.3.2 ADSL Cable........................................................................................................... 7-13 7.3.3 32-port SPLC Cable .............................................................................................. 7-15 7.3.4 Network Cable....................................................................................................... 7-16 7.3.5 Making Network Cables ........................................................................................ 7-18 7.3.6 SLHA Cable........................................................................................................... 7-22 7.3.7 E8IT Cable ............................................................................................................ 7-23 7.3.8 Master-slave Subtending Cable ............................................................................ 7-24
7.4 Engineering Labels for Cables......................................................................................... 7-24 7.4.1 Introduction to Labels............................................................................................ 7-25 7.4.2 Printing Labels....................................................................................................... 7-26 7.4.3 Writing Labels........................................................................................................ 7-28 7.4.4 Affixing Labels ....................................................................................................... 7-29 7.4.5 Information Carried on Labels............................................................................... 7-31 7.4.6 Remarks ................................................................................................................ 7-32 7.4.7 Engineering Labels for External Cables of Alarm Box.......................................... 7-32 7.4.8 Engineering Labels for Ethernet Cables ............................................................... 7-33 7.4.9 Engineering Labels for Optical Fibers................................................................... 7-35 7.4.10 Engineering Labels for Trunk Cables.................................................................. 7-37 7.4.11 Engineering Labels for Subscriber Cables.......................................................... 7-40 7.4.12 Engineering Labels for Power Cables................................................................. 7-41
Installation Manual SmartAX MA5100 Multi-service Access Module Chapter 1 Equipment Overview
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Chapter 1 Equipment Overview
1.1 Cabinet Overview
Two kinds of front-access MA5100 cabinets are available:
H66-18 front-access cabinet H66-22 front-access cabinet
I. Dimensions and outline of H66-18 cabinet
Dimensions of H66-18 cabinet are: 600mm×600mm×1800mm (W×D×H). 37U(1U=44.45mm) space is available inside it. Its mechanical outline is shown in Figure 1-1.
1800
Figure 1-1 Mechanical outline of H66-18 front-access cabinet
II. Dimensions and outline of H66-22 cabinet
Dimensions of H66-22 cabinet are: 600mm×600mm×2200mm (W×D×H). 46U space is available inside it. Its mechanical outline is shown in Figure 1-2.
Installation Manual SmartAX MA5100 Multi-service Access Module Chapter 1 Equipment Overview
1-2
Figure 1-2 Mechanical outline of H66-22 front-access cabinet
1.2 Frame Overview
Dimensions of the MA5100 frame are 436.0mm × 420.0mm × 444.5mm(W×D×H). Its mechanical outline is as shown in Figure 1-3.
Installation Manual SmartAX MA5100 Multi-service Access Module Chapter 1 Equipment Overview
1-3
TESTLINE/RS485 TESTLINE/RS485
Figure 1-3 Mechanical outline of the MA5100 frame
1.3 Typical Configurations of the MA5100 Cabinet
The MA5100 can be powered in three modes: 110V/220V AC and -48V DC. GEPS 4845 is used as AC power supply, while power distribution box as DC power supply. Both of them are maintained from the front. See Chapter 7 Appendix for cable connection inside the cabinet.
Based on the ADSL board types, the MA5100 has two cabinet configurations: configuration with a SPL frame and configuration with no SPL frame.
1.3.1 Configuration with SPL Frame
When the ADLD/ADLI board is adopted, the splitter board (SPLC/SPLI) is required. The SPLC/SPLI board is a passive board plugged to the SPL frame.
Refer to 05-Chapter 5 Arrangement of Cables and Optical Fibers for the cable connection between the ADL board and the SPL board.
I. Configuration of H66-18 cabinet—with SPL Frame
Figure 1-4 (a) shows the configuration of MA5100 cabinet when 110V/220V AC power supply is used. Figure 1-4 (b) shows the cabinet configuration when -48V DC power supply is used.
Installation Manual SmartAX MA5100 Multi-service Access Module Chapter 1 Equipment Overview
1-4
1U Filter panel
4U Filter panel
9U SPL frame
2U Cabling frame
10U Service frame
2U Air deflector
1U Filter panel/Modem1U Filter panel/Conversion box
3U 4845 power supply system
4U Filter panel
(a) AC configuration (with SPL frame)
1U Filter panel
4U Filter panel
9U SPL frame
2U Cabling frame
10U Service frame
2U Air deflector
1U Filter panel/Modem1U Filter panel/EMS frame
1U Filter panel
4U Filter panel
(b) DC configuration (with SPL frame)
2U Distribution box
1U Filter panel
4U Filter panel
9U SPL frame
2U Cabling frame
10U Service frame
2U Air deflector
1U Filter panel/Modem1U Filter panel/Conversion box
3U 4845 power supply system
4U Filter panel
(a) AC configuration (with SPL frame)
1U Filter panel
4U Filter panel
9U SPL frame
2U Cabling frame
10U Service frame
2U Air deflector
1U Filter panel/Modem1U Filter panel/EMS frame
1U Filter panel
4U Filter panel
(b) DC configuration (with SPL frame)
2U Distribution box
Figure 1-4 Typical configuration of H66-18 cabinet-with SPL Frame
II. Configuration of H66-22 cabinet-with SPL Frame
Figure 1-5 (a) shows the configuration of MA5100 cabinet when using 110V/220V AC power supply is used. Figure 1-5 (b)/(c) shows the cabinet configuration when -48V DC power supply is used.
Installation Manual SmartAX MA5100 Multi-service Access Module Chapter 1 Equipment Overview
1-5
2U Filter panel
3U 4845 power supply system
1U Filter panel/Conversion box1U Filter panel/Modem
2U Air deflector
10U Service frame
9U SPL frame
2U Cabling frame
2U Air deflector
2U Cabling frame2U Filter panel
10U Service frame
(a) AC configuration (with SPL frame) (b) DC configuration (with SPL frame)
2U Filter panel1U Filter panel
1U Filter panel/EMS frame1U Filter panel/Modem
2U Filter panel
10U Service frame
9U SPL frame
2U Cabling frame
2U Air deflector
2U Cabling frame2U Filter panel
10U Service frame
2U Distribution box
(c) DC configuration (with SPL frame)
2U Distribution box
10U Service frame
10U Service frame
9U SPL frame
2U Cabling frame
2U Cabling frame
9U SPL frame
2U Air deflector
2U Filter panel
3U 4845 power supply system
1U Filter panel/Conversion box1U Filter panel/Modem
2U Air deflector
10U Service frame
9U SPL frame
2U Cabling frame
2U Air deflector
2U Cabling frame2U Filter panel
10U Service frame
(a) AC configuration (with SPL frame) (b) DC configuration (with SPL frame)
2U Filter panel1U Filter panel
1U Filter panel/EMS frame1U Filter panel/Modem
2U Filter panel
10U Service frame
9U SPL frame
2U Cabling frame
2U Air deflector
2U Cabling frame2U Filter panel
10U Service frame
2U Distribution box
(c) DC configuration (with SPL frame)
2U Distribution box
10U Service frame
10U Service frame
9U SPL frame
2U Cabling frame
2U Cabling frame
9U SPL frame
2U Air deflector
Figure 1-5 Typical configuration of H66-22 cabinet-with SPL Frame
1.3.2 Configuration with No SPL Frame
The ADLE board integrates an internal splitter, thus no splitter board and SPL frame is required in this case.
I. Configuration of H66-18 cabinet—without SPL Frame
Figure 1-6 (a) shows the configuration of MA5100 cabinet when 110V/220V AC power supply is used. Figure 1-6 (b) shows the cabinet configuration when -48V DC power supply is used.
Installation Manual SmartAX MA5100 Multi-service Access Module Chapter 1 Equipment Overview
1-6
2U Filter panel
2U Cabling frame
10U Service frame
2U Air deflector
2U Cabling frame
10U Service frame
2U Air deflector
1U Filter panel/Modem1U Filter panel/Conversion box
3U 4845 power supply system
2U Filter panel
2U Filter panel
2U Cabling frame
10U Service frame
2U Air deflector
2U Cabling frame
10U Service frame
2U Filter panel
1U Filter panel/Modem1U EMS frame/Filter panel
2U Distribution box
2U Filter panel1U Filter panel
(a) AC configuration (no SPL frame) (b) DC configuration (no SPL frame)
2U Filter panel
2U Cabling frame
10U Service frame
2U Air deflector
2U Cabling frame
10U Service frame
2U Air deflector
1U Filter panel/Modem1U Filter panel/Conversion box
3U 4845 power supply system
2U Filter panel
2U Filter panel
2U Cabling frame
10U Service frame
2U Air deflector
2U Cabling frame
10U Service frame
2U Filter panel
1U Filter panel/Modem1U EMS frame/Filter panel
2U Distribution box
2U Filter panel1U Filter panel
(a) AC configuration (no SPL frame) (b) DC configuration (no SPL frame)
Figure 1-6 Typical configuration of H66-18 cabinet-without SPL Frame
II. Configuration of H66-22 cabinet-without SPL Frame
Figure 1-7 (a) shows the configuration of MA5100 cabinet when using 110V/220V AC power supply is used. Figure 1-7 (b) shows the cabinet configuration when -48V DC power supply is used.
Installation Manual SmartAX MA5100 Multi-service Access Module Chapter 1 Equipment Overview
1-7
2U Distribution box1U Filter panel
1U EMS frame/Filter panel1U Filter panel/Modem
2U Cabling frame
10U Service frame
10U Service frame
2U Cabling frame
2U Air deflector
10U Service frame
1U Filter panel2U Cabling frame
2U Air deflector
2U Filter panel
3U 4845 power supply system
1U Filter panel/Conversion box1U Filter panel/Modem
2U Air deflector
10U Service frame
10U Service frame
2U Cabling frame
2U Air deflector
2U Cabling frame
4U Filter panel
2U Filter panel
4U Filter panel
1U Filter panel
(a) AC configuration (no SPL frame) (b) DC configuration (no SPL frame)
2U Distribution box1U Filter panel
1U EMS frame/Filter panel1U Filter panel/Modem
2U Cabling frame
10U Service frame
10U Service frame
2U Cabling frame
2U Air deflector
10U Service frame
1U Filter panel2U Cabling frame
2U Air deflector
2U Filter panel
3U 4845 power supply system
1U Filter panel/Conversion box1U Filter panel/Modem
2U Air deflector
10U Service frame
10U Service frame
2U Cabling frame
2U Air deflector
2U Cabling frame
4U Filter panel
2U Filter panel
4U Filter panel
1U Filter panel
(a) AC configuration (no SPL frame) (b) DC configuration (no SPL frame)
Figure 1-7 Typical configuration of H66-22 cabinet-without SPL Frame
Installation Manual SmartAX MA5100 Multi-service Access Module Chapter 2 Installation Preparation
2-1
Chapter 2 Installation Preparation
2.1 Project Preparation
The preparation before the construction includes:
Gathering information about the contract and delivery information Making preparations of installation environment Making out Project Construction Plan based on the above information
Project Construction Plan should be approved by the corresponding authority. If necessary, the related staff can be convened to have an internal before-construction coordination meeting so as to check the preparation before the construction.
Note:
“Project Documents” refer to “Site Survey Report”, “List of Contract Equipment” and “Quality Check Standards”.
2.1.1 Technical Documents Required
The technical documents required for the equipment installation include:
1) MA5100 System Network Planning, Equipment Room Design, Detailed Construction Drawings and Fiber Installation Drawings. The customer should prepare these documents, and provide a copy of these documents to the supplier before the equipment delivery.
2) The supplier should provide the customer with MA5100 Multi-service Access Module Package of Documents with the equipment delivery, including Technical Manual, Installation Manual and Operation Manual.
3) Site Survey Report for MA5100, which should be filled in by engineering design personnel of the supplier at the time of site survey.
2.1.2 Tools and Instruments Required
Table 2-1 lists the tools and instruments required for the equipment installation.
Installation Manual SmartAX MA5100 Multi-service Access Module Chapter 2 Installation Preparation
2-2
Table 2-1 List of tools and instruments
Measuring and marking-off tools
Measuring tape, ruler (1m), level gauge, marker pens, pencils
Drilling tools Percussion drill (1), drill bits, vacuum cleaner (1)
Fastening tools
Flathead screwdrivers: M3 - M6
Cross screwdrivers: M3 - M6
Adjustable wrenches
Socket wrenches: M6, M8, M12, M14, M17 and M19
Double offset ring spanners: M6, M8, M12, M14, M17 and M19
Fitter’s tools Nipper pliers, angle pliers, vices, electric hand drills, files, handsaws, crowbars, rubber mallets
General tools
Auxiliary tools Brushes, tweezers, paper knives, bellows, electric soldering irons, tin wire, ladders
Special tools Earth resistance tester, anti-static wrist bands, wire stripper, wire crimping tools, crystal plug crimping pliers, wire cutters
Instruments Multimeter, 500V-Megaohm meter (for insulation resistance test), BER tester, optical power meter
Note:
The supplier shall provide the list of tools and instruments required, and discuss with the customer to determine which party provides the tools.
The instruments must be calibrated and proved to be qualified before they can be used.
2.2 Site Requirements
Before proceeding with the installation, verify that the site satisfies requirements in the following categories.
2.2.1 Construction Conditions
The area, height of the equipment room, and the load bearing ability meet the installation requirements. The doors, windows, walls, and wiring troughs are in good condition.
Installation Manual SmartAX MA5100 Multi-service Access Module Chapter 2 Installation Preparation
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2.2.2 Environmental Requirements
The lighting in the equipment room meets the requirements for equipment maintenance. The daily lighting, standby lighting and emergency lighting systems are available.
The water supply and drainage systems meet the requirements for normal water needs and the specifications for fire fighting.
The air-conditioning and ventilation system is capable of ensuring the proper temperature and humidity in the room.
Effective electrostatic discharge measures are taken. Adequate fire-fighting facilities are available in the room. The design of the equipment room meets the earthquake-proof/anti-shock
requirements. The floor in the equipment room is firm enough for the safe fixing of cabinets.
Lightning-proof facilities are available.
2.2.3 Floor Loading Considerations
The load bearing capability of the equipment room should be larger than 450kg/m2 (When the battery is configured in the cabinet). Considering the heavy weight of the lead acid battery, when the battery below 500AH is mounted in the battery room, the load bearing of the battery room should be larger than 500kg/m2. When the battery over 800AH is to be mounted, the load bearing should be larger than 600kg/m2. The load bearing standard of the aisle and stairs is 400kg/m2 (without battery). The overload coefficient is 1.4. The load bearing capability for places outside the equipment room is not less than 300kg/m2. For an old building, the bearing capability should be much higher.
2.2.4 Power Supply Requirements
In addition to the mains input, the optional backup power supply is available. The DC power distribution equipment meets the requirements of the system. The
output power voltage is stable and is within the rated range. The battery backup is available. It can ensure the system normal operation in case
of power supply failure. The AC power supply system has an independent ground wiring.
2.2.5 Peripherals
If there is transmission equipment, it should be pre-installed before mounting the MA5100. Make sure the optical transceiver is in place, the optical fibers are laid properly, the pigtails of the optical fiber have been labeled, and the cabling rack and main distribution frame are configured well.
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2.2.6 Grounding Requirements
A correctly installed electrical system helps ensure personnel safety and reliable performance. The system must be correctly grounded before you connect power or mounting the equipment.
2.2.7 Other Facilities
In the equipment room for network management, facilities such as computer desks, chairs, power sockets, and a telephone are necessities.
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Chapter 3 Equipment Installation
H66-18 cabinet and H66-22 cabinet can be installed on cement floor, or on raised floor. Expansion bolts are used for fastening to the cement floor, and S600A series brackets are used for mounting on the raised floor. These two installation modes are similar ,so we use H66 to stand for both of them in the following sections.
Caution:
The H66 front-access cabinet has no feet with it and is fixed with expansion bolts. 8U-high (1U = 44.45mm) space is required for its installation. If there is not sufficient height left, dismantle some modules in the lower part of the cabinet first.
Insulating plate is put under the cabinet on the ground, and insulating shell around the expansion bolts. Make sure that the insulating units are correctly installed so that the whole set of equipment is insulated from the ground before the ground wire is connected, thus effectively meeting the insulation requirement.
3.1 Cabinet Installation on the Cement Ground
The H66 cabinet is fixed to the cement ground with expansion bolts.
Precautions in installation:
The site should be correctly marked off prior to the installation. Otherwise, the installation work may have to be done again.
The cabinet must be conveyed with care to prevent damage to any components. Make an overall inspection of the cabinet after the installation is completed. Solve
in time any problems that have been found, and clean the stains resulting from the installation.
3.1.1 Installation Flow
The cabinet installation flow on the cement ground is shown in Figure 3-1.
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Start
C abinet positioning
C abinet lev eling
C abinet fastening
Insulation test
Test passed?
Y
N
End
Figure 3-1 Installation flowchart of H66 cabinet (on the cement ground)
3.1.2 Cabinet Positioning
I. Planning the installation position of cabinet
Before the installation, first plan the available space. There should be sufficient space for maintenance and operation at the front doors of the cabinet when it is installed against the wall, as shown in Figure 3-2 and Figure 3-3. Figure 3-4 illustrates the back-to-back installation of two cabinets.
II. Drawing lines
According to the reference dimension in the construction plane design diagram, determine the location of the cabinet installation hole, measure several marking-out points, mark out two lines which are parallel with the reference and whose spacing is 460mm. According to the design requirements, determine the installation hole location for the first cabinet on the two lines. Then take the hole as the reference point, and mark out the installation holes for other cabinets one by one. To avoid faults, after being marked out, all hole location lines should be measured again so as to ensure the proper dimension. Figure 3-2 shows installation hole location for single cabinet installation; Figure 3-3 shows that for side-by-side installation; Figure 3-4 shows that for back-to-back installation.
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(1) M12 expansion bolt hole mark (2) Front of cabinet (3) Cabinet outline (4) Wall or reference body
Figure 3-2 Installation holes for a single cabinet
(1) M12 expansion bolt hole mark (2) Front of cabinet (3) Cabinet outline (4) Wall or reference body
Figure 3-3 Installation holes for side-by-side installation mode
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(1) M12 expansion bolt hole mark (2) Front of cabinet (3) Cabinet outline (4) Wall or reference body
Figure 3-4 Installation holes for back-to-back installation mode
You can also mark installation holes with marking-off plate. Put the marking-off plate on the ground as per the cabinet layout, and marks all installation holes (four ones for each cabinet). Figure 3-5 illustrates installation of marking-off plate. The semi-circle notch indicates the front of the cabinet.
(1) M12 expansion bolt hole mark (2) left (3) back (4) right (5) front
Figure 3-5 Installing marking-off plate (for cement ground installation)
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Note:
Make sure the marking-off plate is installed in right direction.
III. Drilling holes
Use a percussion drill with Φ16 bit to drill holes for the installation of the expansion bolts.
When using the percussion drill, be sure to hold the bit perpendicular to the ground. Hold the drill handle firmly with both hands to control the direction. Do not shake the drill to avoid tilted holes or prevent damage to the floor.
The depth of the hole should be within the range of 52mm~60mm, and the depth of all holes should be the same. Clean the hole before measuring the net-depth. When a hole is drilled, use a vacuum cleaner to clean the dust.
If it is difficult to position the drill bit when the ground is too hard or slippery, chisel a pit at the hole-mark to help position the bit.
Marking and drilling are the fundamental work for hardware installation. Any poor precision may cause great inconvenience for the follow-up jobs.
Caution:
Keep the depth of the hole between 52mm and 60mm. Otherwise, the expansion bolt cannot be installed and fastened properly.
IV. Installing expansion bolts
Prior to installation, clean the dust inside and outside the hole with vacuum cleaner and then measure the spacing between holes. Relocate and drill before installing expansion bolt in case of poor accuracy.
Installation procedures:
Insert the guide rib on the expansion nut into the guide trough of the expansion tube in advance. It is required for installation and fastening of expansion bolts.
Take down the expansion tube and expansion nut, put them into the hole vertically.
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Punch the expansion tube with rubber mallet until the expansion tube is completely driven into the ground. Figure 3-6 shows the installation of expansion tube and expansion nut.
(1) Expansion tube (2) Guide trough of expansion tube (3) Expansion nut (4) Guide rib of expansion nut
Figure 3-6 Installation of expansion tube and expansion nut
3.1.3 Cabinet Leveling
I. Locating the cabinet
As shown in Figure 3-7, put insulating plates on the ground, two plates for each cabinet. Move the cabinet to the planned location with its installation holes aligned with the corresponding location marks.
II. Leveling the cabinet
Place a horizontal ruler in two orthogonal directions on top of the cabinet to check the cabinet levelness. If the cabinet is not leveled, insert proper filling pad under it. Align all of the cabinets.
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(1) Cabinet (2) Bolt M12x65 (3) Spring washer 12 (4) Flat washer (5) Insulating washer (6) Insulating plate (7) Filling pad
Figure 3-7 Fastening cabinet
Note:
The filling pad should be inserted between the insulating plate and ground. Insulation is not effective if it is put between insulating plate and cabinet bottom.
3.1.4 Cabinet Fastening
I. Bottom fastening
Put spring washer, flat washer and insulting washer around bolt M12x65. Insert the bolt through lower enclosure frame into installation hole on the ground. Fasten the bolt to force moment of 45N$m. See Figure 3-7.
Fasten the bolts in diagonal order, for purpose of reducing stress.
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II. Top fastening for side-by-side installation
If two or more cabinets are installed side by side, they should also be fixed together at the top with connecting plate for combining cabinets.
Connecting plates for combining cabinets, which are delivered together with the cabinet, are installed at the top of the cabinet. See Figure 3-8.
(1) Connecting plate for combining cabinets
Figure 3-8 Location of connecting plate for combining cabinets
Dismantle the connecting plate and reassemble it between two adjacent cabinets as per Figure 3-9. For back-to-back installation mode, the connecting plate is also required for two back-to-back cabinets.
(1) Connecting plate for combining cabinets (2) Screw assembly M6x12
Figure 3-9 Installing connecting plate for combing cabinets
3.1.5 Insulation Test
Measure the resistance value between the bolt M12 × 65 and the cabinet with a Multimeter. If the resistance value measured is larger than five meg-ohm, it means the
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insulation is normal. Otherwise, it means that the cabinet is not insulated from the ground. In this case, remove mount kit to check whether any insulating parts are not installed or they malfunction. Afterwards, re-fix the cabinet and repeat the insulation test.
Figure 3-10 shows an installed cabinet on the cement ground, and Figure 3-11 shows two side-by-side installed cabinets on the cement ground.
Figure 3-10 An installed cabinet on the cement ground
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Figure 3-11 A row of cabinets installed side by side on the cement ground
3.2 Cabinet Installation on Raised Floor
When the H66 cabinet is installed in the equipment room with the raised floor, the S600A series supports are adopted.
Caution:
Insulating plate is inserted between the cabinet and support, and insulating washer is around the expansion bolt. During construction, make sure that the insulating units are correctly installed so that the whole set of equipment is insulated from the ground before the ground wire is connected, thus effectively meeting the insulation requirement.
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3.2.1 Introduction to S600A Support and Slide Rail
I. Brief Introduction to Support
The support is used to raise the cabinet for the convenience of floor paving and cable wiring in the equipment room. The support is welded with steel sheet.
1) Number of the supports used
In side-by-side installation, N cabinets in one row will be supported with the 2N supports. See Figure 3-12.
Figure 3-12 H66 cabinet installation on supports
2) Outline of support
The outline of S600A series support is as shown in Figure 3-13.
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(1) Upper support (2) Lower support (3) Height scale (4) Connection hole to slide rail (5) Installation hole to the ground
Figure 3-13 Outline of S600A series support
3) Installing support components
There are four models of S600A series supports, three of which are height-adjustable and the other one is of fixed-height. The adjustable ranges of the models are shown in Table 3-1.
Table 3-1 List of height of the S600A series supports
Model Suitable height of raised floor (mm)
I 210~255
II 256~345
III 346~525
IV Customized according to the floor height (minimum height: 100mm)
Note:
The height of the raised floor refers to the distance between the upper plane of the raised floor and the cement ground.
The models I, II and III of the S600A series can be freely regulated in their setting ranges by moving oppositely the upper and lower supports.
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The model IV of the S600A series is a fixed height support, which is suitable for the ultra high and ultra low supports. The suitable lowest floor height of the component is 100mm.
II. Brief Introduction to slide rail
The holder supports the floor around the cabinet, while the slide rail connects the cabinet and supports. Each cabinet matches a hold-slide rail unit, which includes two slide rails and is delivered along with the cabinet. See Figure 3-14 for the outline of the slide rail.
A row of cabinets require a side holder unit, which is also deliver with the cabinet, even when there is only one cabinet in the row.
(1) Connection hole to support (2) Connection hole to cabinet
Figure 3-14 Dimensions of slide rail
3.2.2 Installation Flow
The flow of installing cabinet on the raised floor is shown in Figure 3-15.
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Start
Installing supporting accessories
Test passed?
Y
N
Support positioning
Support installation
Installing slide rails
Cabinet leveling
Cabinet fastening
Insulation test
Floor recvoery
End
Cabinet positioning
Figure 3-15 Installation flowchart of the H66 cabinet (on raised floor)
3.2.3 Cabinet Positioning
I. Planning space required
Before the installation, first plan the available space. There should be sufficient space for maintenance and operation at the front and rear doors of the cabinet, as shown in Figure 3-16 and Figure 3-17. At least 800mm clearance is required around the H66 cabinet. Figure 3-18 illustrates that for back-to-back installation.
II. Cabinet positioning
Position the cabinet by reference to the construction plane design diagram.
3.2.4 Support Positioning
I. Drawing lines
According to the reference dimension and support dimension in the construction plane design diagram, determine the support installation location, measure several marking-out points, mark out two lines which are parallel with the reference and whose
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spacing is 460mm. According to the design requirements, determine the hole locations of the first support on the two lines. Then take the hole as the reference point and mark out the installation holes of other supports one by one. To avoid faults, after being marked out, all hole location lines should be measured again so as to ensure the proper dimension. Figure 3-16 shows the installation hole locations of supports for a single cabinet; Figure 3-17 shows the installation hole locations of supports for two side-by-side cabinets; Figure 3-18 shows the installation hole locations of supports for two back-to-back cabinets.
(1) M12 expansion bolt hole mark (2) Front of cabinet (3) Outline of cabinet (4) Wall or reference body
Figure 3-16 Installation hole locations for a single cabinet
(1) M12 expansion bolt hole mark (2) Front of cabinet (3) Outline of cabinet (4) Wall or reference body
Figure 3-17 Installation hole locations for a row of side-by-side cabinets
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(1) M12 expansion bolt hole mark (2) Front of cabinet (3) Outline of cabinet (4) Wall or reference body
Figure 3-18 Installation hole locations for a row of back-to-back cabinets
You can also mark installation holes with marking-off plate. Put the marking-off plate on the ground as per the cabinet layout, and marks all installation holes (four holes for each cabinet). Figure 3-19 illustrates installation of marking-off plate. The semi-circle notch indicates the front of the cabinet.
(1) M12 expansion bolt hole mark (2) Left (3) Back (4) Right (5) Front
Figure 3-19 Installing marking-off plate (for raised floor installation)
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Note:
Make sure the marking-off plate is installed in right direction.
II. Drilling holes
Use a drill with Φ16 bit to drill holes for the installation of the expansion bolt M12 to anchor the support.
When using the percussion drill, be sure to hold the bit perpendicular to the ground. Hold the drill handle firmly with both hands to control the direction. Do not shake the drill to avoid tilted holes or prevent damage to the floor.
The depth of the hole should be within the range of 52mm~60mm, and the depth of all holes should be the same. Clean the hole before measuring the net-depth. When a hole is drilled, use a vacuum cleaner to clean the dust.
If it is difficult to position the drill bit when the ground is too hard or slippery, chisel a pit at the hole-mark to help position the bit.
Marking and drilling are the fundamental work for hardware installation. Any poor precision may cause great inconvenience for the follow-up jobs.
Caution:
Keep the depth of the hole between 52mm and 60mm. Otherwise, the expansion bolt cannot be installed and fastened properly.
III. Installing expansion bolts
Prior to installation, clean the dust inside and outside the hole with vacuum cleaner and then measure the spacing between holes. Relocate and drill before installing expansion bolt in case of poor accuracy.
Installation procedures:
Insert the guide rib on the expansion nut into the guide trough of the expansion tube in advance. It is required for installation and fastening of expansion bolts.
Take down the expansion tube and expansion nut, put them into the hole vertically.
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Punch the expansion tube with rubber mallet until the expansion tube is completely driven into the ground. Figure 3-20 shows the installation of expansion tube and expansion nut.
(1) Expansion tube (2) Guide trough of expansion tube (3) Expansion nut (4) Guide rib of expansion nut
Figure 3-20 Installation of expansion tube and expansion nut
3.2.5 Support Installation
I. Adjusting height of the support
According to the floor height measured and the height scale on the support, adjust height of all supports and fasten the height-retaining bolt to 45N$m with a torque spanner. Here, first fasten the middle bolts, and then the side bolts. See Figure 3-21.
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(1) Upper support (2) Lower support (3) Height scale (4) Height-retaining bolt (both sides) (5) Height-retaining bolt (middle)
Figure 3-21 Location of height-retaining bolt
Caution:
Fasten the middle height-retaining bolt first, and then the side ones.
II. Installing and fixing the support
Fix the support and slide rails together with bolt M12×30, spring washer, flat washer, as shown in Figure 3-22. First adjust the support to equal distance to two slide rail diagonals (line A and line B in Figure 3-22). Then fasten the nut.
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(1) Slide rail (2) Support (3) Bolt M12x30 (4) Spring 12 (5) Flat washer 12 (6) Diagonal A (7) Diagonal B
Figure 3-22 Fixing support and slide rails together
III. Fastening support to the ground
Align the installation holes of the support with the counterparts on the ground. Put spring washer, flat washer onto the bolt M12×60 and insert the bolt through the support into the installation hole on the ground. Adjust the support to right position and fasten the nut to 45N$m. See Figure 3-23.
(1) Support (2) Slide rail (3) Bolt M12x60 (4) Spring 12 (5) Flat washer (6) Expansion tube (7) Expansion nut
Figure 3-23 Fastening support to the ground
For side-by-side installation, first adjust the front edge of supports in a row into a line, and leave a space of 128mm between two adjacent supports. Then fasten them to the ground. See Figure 3-24.
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Figure 3-24 Position of two adjacent supports
3.2.6 Installing Supporting Accessories of Raised Floor
The holder fixing piece fastens the slide rail to the holder, and it should be installed before moving the cabinet in place. See Figure 3-25. For side-by-side installation, only side holder fixing pieces are required.
(1) Support (2) Slide rail (3) Front holder fixing piece (4) Bolt M12x30 (5) Spring washer 12 (6) Flat washer 12 (7) Side holder fixing piece
Figure 3-25 Installing holder fixing piece
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3.2.7 Cabinet Leveling
I. Moving the cabinet onto the support
II. Installing insulating plate
Place insulating plates between the cabinet and the slide rails, two for each cabinet. See Figure 3-26.
(1) Cabinet (2) Slide rail (3) Support (4) Bolt M12x35 (5) Spring washer 12 (6) Flat washer (7) Insulating washer (8) Insulating plate (9) Filling pad
Figure 3-26 Cabinet leveling and fastening
III. Cabient leveling
Place a horizontal ruler in two orthogonal directions on top of the cabinet to check the cabinet levelness. If the cabinet is not leveled, insert proper filling pad under it. See Figure 3-26.
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Note:
The filling pad should be inserted between the insulating plate and ground. Insulation is not effective if it is put between insulating plate and cabinet bottom.
3.2.8 Cabinet Fastening
I. Bottom fastening
Put spring washer, flat washer and insulting washer on bolt M12x65. Insert the bolt through lower enclosure frame into installation hole on the ground. Fasten the bolt to force moment of 45N$m.
Fasten the bolts in diagonal order, for purpose of reducing stress.
II. Top fastening for side-by-side installation
If two or more cabinets are installed side by side, they should also be fixed together at the top with connecting plate for combining cabinets.
Connecting plates for combining cabinets, which are delivered together with the cabinet, are installed at the top of the cabinet. See Figure 3-27.
(1) Connecting plate for combining cabinets
Figure 3-27 Location of connecting plate for combining cabinets
Dismantle the connecting plate and reassemble it between two adjacent cabinets as per Figure 3-28. For back-to-back installation mode, the connecting plate is also required for two back-to-back cabinets. See Figure 3-28.
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(1) Connecting plate for combining cabinets (2) Screw assembly M6x12
Figure 3-28 Installing connecting plate for combing cabinets
3.2.9 Insulation Test
Measure the resistance value between the bolt M12 × 70 and the cabinet with a Multimeter. If the resistance value measured is larger than five meg-ohm, it means the insulation is normal. Otherwise, it means that the cabinet is not insulated from the ground. In this case, remove mount kit to check whether any insulating parts are not installed or they malfunction. Afterwards, re-fix the cabinet and repeat the insulation test.
3.2.10 Floor Recovery
I. Installing floor holder
Fix the floor holder and holder fixing piece together with the bolt M12×30, spring washer and flat washer. See Figure 3-29. For side-by-side installation, only side holder fixing pieces are required.
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(1) Cabinet (2) Slide rail (3) Support (4) Bolt M12x30 (5) Spring washer 12 (6) Flat washer 12 (7) Front holder fixing piece (8) Front holder (9) Nut M12 (10) Side holder fixing piece (11) Side holder
Figure 3-29 Installing floor holder
II. Adjusting height of floor holder
Adjust height of the floor holder till its top plain is flush with the bottom plain of raised floor.
III. Floor cutting and recovery
According to the actual site status, cut the raised floor around the cabinet and then recover the floor. Figure 3-30 shows installed cabinets on raised floor.
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(1) Cabinet (2) Raised floor
Figure 3-30 Installed cabinets on raised floor
3.3 Installing the Cabling Rack
When up-wiring is adopted, the cabling rack needs to be installed. Various types of the cables in the equipment room can be laid upon the cabling rack. Also, the installation of the cabling rack can reinforce the equipment and enhance the shockproof performance of the equipment. Regarding the specific location of the cabling rack in the equipment room, the cabling rack can be installed in four ways. Note that the cabling rack must be insulated from the ground surface, the roof or the wall.
Install a suspender on the ceiling to hang the cabling rack (hereinafter referred to as the ceiling-mount installation mode)
Install a bracket on the ground to support the cabling rack (hereinafter referred to as the ground-supporting installation mode)
When the cabling rack runs over the cabinet, install a shock-proof support or a ladder on the cabinet to support it
When the cabling rack is spanned against the wall, a triangular support can be installed on the wall to support it
The cabling rack is mainly present in the form of the cabling ladder. Wiring trough is also optional. The specifications are listed below:
1) 200mm-wide cabling ladder matches 200mm-wide wiring trough 2) 400mm-wide cabling ladder matches 400mm-wide wiring trough 3) 600mm-wide cabling ladder matches 400mm+200mm-wide wiring trough
It is recommended to adopt the 400mm-wide cabling ladder over the cabinet and no wiring trough is opted so as to facilitate the wiring and the heat-dissipation of the system.
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3.3.1 Parts of the Cabling Rack
The parts of the cabling rack are shown in Table 3-2.
Table 3-2 Installation parts for cabling rack
U-steel
Connecting piece for U-steel
Crosspiece (200mm)
Crosspiece (400mm)
Crosspiece (600mm)
Mount angle
Cable-through rack
Triangular support (for 200mm-wide cabling ladder)
Triangular support (for 400mm-wide cabling ladder)
Triangular support (for 600mm-wide cabling ladder)
Connecting clip for wiring trough
Fixing clip for wiring trough
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Wiring trough (200mm)
Wiring trough (400mm)
Insulating washer
Insulating plate
Side shield
Bolt B (M8×20)
Movable bushing
3.3.2 Installation Flow of the Cabling Rack
The installation procedure of the cabling rack is shown in Figure 3-31.
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Starting installation
Marking the drilling position
Checking the drilling position
Drilling the hole ( 8mm-diameter, 60mm-deep)
Securing the cabling ladder to theground, the rooftop or the wall
Installing the wiring trough
Finishing installation
Y
N
Assembling the cabling ladder
Installing such accessories as cable-through rack, cable-shielding ring, side
shield and cable-shielding sheath
Installing and securing the wiring trough
Figure 3-31 Flowchart for installing the cabling rack
I. Structure and Assembly of the Cabling Ladder
The cabling ladder adopts the U-steel and the crosspiece as its framework, in which the U-steel acts as the vertical post of the cabling ladder and the crosspiece functions as the horizontal beam. During the assembly, just use the fastener to connect the crosspiece with the U-steel. The spacing between two crosspieces is 250mm. Since the hole spacing of the U-steel is 50mm, one crosspiece should be installed every 6 trough holes. When the assembled cabling ladder is used for the horizontal installation of the cabling rack in the equipment room, the bolt head of the cabling ladder should face downward, so as to facilitate the installation of the wiring trough since there is no protruding on the cabling ladder. The basic structure of the cabling ladder is as shown in Figure 3-32.
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(1) U-steel (2) Fastener (3) Crosspiece
Figure 3-32 Structure of cabling ladder
When the project requires a long cabling ladder, multiple segments of cabling ladder can be joined end to end. The connecting part is the U-shaped connecting piece, as shown in Figure 3-33. When the length of the cabling ladder is not the integral multiple of 2.5m in the actual installation, cut out the remainder. Paint the cross-section to ensure rust resistance and a neat outlook.
(1) U-steel (2) U-shaped connecting piece (3) Fastener (4) Cabling ladder B
Figure 3-33 Connection of cabling ladders
II. Connecting and Installing the Wiring Trough
Since the wiring trough is conical to some degree, just insert the smaller end of the wiring trough to the bigger end of another to connect them. The length of the inserted part is 250mm.
When the 200mm-wide or 400mm-wide wiring trough is opted for the project, directly place it on the cabling ladder. Then, secure the wiring trough on the cabling ladder with the wiring trough fixing clip. Four clips are used for each segment of the wiring trough,
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which should be symmetrical at the both sides. Figure 3-34 shows the inter-trough connection and installation.
(1) Wiring trough A (2) Wiring trough B (3) Fixing clip of the wiring trough (4) Cabling ladder (5) Cable-shielding ring
Figure 3-34 Inter-trough (200mm-wide or 400mm-wide) connection and installation
When a wiring trough is opted for the 600-millimeter-wide cabling ladder, it can be the combination of a 400mm-wide trough plus a 200mm-wide trough, which are joined by connecting clips. For each segment of wiring trough, three connecting clips are used. Secure the wiring trough onto the cabling ladder with the fixing clips. When the wiring trough needs to be lengthened, the connecting method is the same as that mentioned previously. Note that the trough should be lengthened first, and fixed next. The specific connection is as shown in Figure 3-35.
(1) Wiring trough (400mm) (2) Wiring trough (200mm) (3) Cabling ladder (600mm-wide) (4) Fixing clip of the wiring trough (5) Connecting clip of wiring trough
Figure 3-35 Composition of 600mm-wide wiring trough
III. Bending the cabling rack
1) Bending on a horizontal surface
When the cabling rack needs to be bent at a right angle on a horizontal surface, there are two different installation methods depending on whether the wiring trough is opted for the cabling rack.
No wiring trough opted
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When the intersecting cabling rack is solely composed of cabling ladders, use mount angles and fasteners to join the two cabling ladders together. Make sure that the two cabling ladders are at the same surface. See Figure 3-36.
(1) Cabling ladder A (2) Cabling ladder B (3) Mount angle (4) Fastener
Figure 3-36 Cabling ladder bending on horizontal surface
Wiring trough opted
If any of the intersecting cabling racks has a wiring trough, the spacing of the two cabling racks should be equal to the height of a wiring trough. That is, the height of the cabling ladder for one party should be at the same level with the cabling trough of the other, so as to ensure the cable run smoothly on the cabling rack. The installation is shown in Figure 3-37. Mount angles and fasteners are also used here for the connection, but the installation method of the mount angle is different from that illustrated in Figure 3-36.
(1) Wiring trough (2) Cabling ladder A (3) Cabling ladder B (4) Mount angle (5) Fastener
Figure 3-37 Bending of a cabling rack configured with wiring troughs on a horizontal surface
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2) Joining the cabling racks
When the cabling ladder is to descend or ascend, make a climbing ladder of the following type using mount angles and the fasteners. Figure 3-38 shows the perpendicular joining of the cabling ladder, in which the left figure is the illustration of the joining at the front side and the right figure is the joining at the side. Pay attention to the installation methods of the mount angles. Figure 3-39 shows the oblique joining.
(1) Wiring trough (2) Cabling ladder A (3) Mount angle (4) Fastener (5) Cabling ladder B (6) Side shield (7) Cable bushing
Figure 3-38 Perpendicular joining of the cabling ladder
(1) Cabling ladder A (2) Cabling ladder B (3) Cabling ladder C (4) Mount angle (5) Fastener
Figure 3-39 Oblique joining of the cable ladder
IV. Attaching the cabling ladder to the wall
When the cabling ladder has to be attached to the wall, perform the installation according to Figure 3-40. The connecting parts include mount angles, insulating plates, insulating washers, fasteners and expansion bolts. Insulating plates and insulating
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washers are used to insulate the cabling rack from the wall. Replace the washer contained in the expansion bolt with the big flat washer Ø8, so as to increase the contacting area of the washer and the insulating washer.
(1) Expansion bolt (2) Insulating plate (3) Insulating washer (4) Flat washer (5) Spring washer (6) Nut (7) Mount angle (8) Cabling ladder
Figure 3-40 Attaching the cabling ladder to the wall
V. Ceiling-mount or floor-mount installation
When the cabling rack is not attached to the wall, the ceiling-mount or floor-mount installation method can be adopted. In the former method, the cabling rack is connected to the ceiling; in the latter case, the cabling rack is connected to the ground. U-steel, mount angles, fasteners and the expansion bolts are used for the connection . Two pieces of U-steel are used to connect the cabling ladder to the wall or the ground. The installation is the same as connecting a cabling rack to the wall.
Each piece of U-steel is 2.5m. Depending on the height of the cabling rack and that of the equipment room, the steel can be cut to a suitable length. When the required length is longer than 2.5m, you can join two pieces of U-steel together. The connecting method is the same as that of cabling ladder connection. The U-shaped connecting piece is used for the connection. Remember paint the cross-section.
Since the hole spacing of the U-steel is 50mm, the spacing of the suspender or the pole support should be the integral multiple of 50mm. Otherwise, it is impossible to proceed with the installation. It is recommended that the spacing of the two sets of the suspending link or supporting link be 1250mm, i.e., each segment of the cabling ladder be borne by two sets of suspender or pole support.
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In ceiling-mount installation or floor-mount installation, the suspender or the pole support has to be installed at the outer side of the cabling ladders to facilitate positioning of the wiring trough. Ensure the insulation between the suspender/pole support and the ceiling/ground. Make sure to add the insulating plate and the insulating washer, as shown in Figure 3-41.
(1) U steel (2) Mount angle (3) Insulating washer (4) Insulating plate (5) Expansion bolt M8x80 (6) Wiring trough (7) Cabling ladder
Figure 3-41 Ceiling-mount or floor-mount installation
VI. Installing the triangular support
When the cabling rack is installed against the wall, triangular supports are used.
The triangular support adopts the welded structure, and is fixed on the wall via expansion bolts. On its horizontal beam, there are some holes for installing cabling ladder. Three types of triangular supports are available, corresponding respectively to installation of the 200mm-wide, 400mm-wide, and 600mm-wide cabling ladder (the triangular support with greater length can be used to support the smaller cabling ladder, but it is not recommended).
When installing the cabling ladder, place the cabling ladder upon the horizontal beam of the triangular support, and then tighten them with connecting pieces.
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Caution:
The distance between two triangular supports must be an integer multiple of 50 mm. Otherwise, the cabling ladder cannot be fixed with triangular supports. The recommended distance is 1250mm, that is, each segment of cabling ladder is supported by two triangular supports.
Here, replace the flat washer contained in the expansion bolt with the big flat washer Ø8. Two pieces of insulating plates must be installed between the vertical post of the triangular support and the wall, and installation pads must be installed between the nut and the vertical post. Be sure that each nut is outfitted with an insulating washer. Figure 3-42 shows the installation method of the triangular support.
(1) Cabling ladder (2) Insulating plate (3) Expansion bolt (4) Horizontal beam of triangle beam (5) Vertical beam of triangular support (6) Triangular support
Figure 3-42 Installation of triangular support
VII. Connection at cabinet top
When the cabling rack runs over the cabinet top, the cabinet-top connection mode is adopted. To improve the heat dissipation of the system, usually, the wiring trough is not opted for the cabling rack at the cabinet-top. There are two methods for the cabinet-top connection.
1) Cabinet-top shockproof support connection
The cabinet-top shockproof support is welded angle iron, ensuring the intensity. Two bolt holes at the cabinet top are used to secure the shockproof support. The shockproof support is used to bear and fix the cabling rack. Fasteners are used to fix the ladder to the shockproof support via the bolt holes on the shockproof. See Figure 3-43 and Figure 3-44 for the connection.
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(1) Cabinet (2) Upper support (3) Flat washer 8 (4) Spring washer 8 (5) Bolt M8x20
Figure 3-43 Installation of cabling rack and shockproof support
(1) Cabinet (2) Upper support (3) Cabling racking (4) Flange nut M8
Figure 3-44 Installation of cabling rack with shockproof support at cabinet top
2) Connecting the climbing ladder
When there is no support on the cabinet top, connect a climbing ladder according to the size of the holes on the cabinet top. Please refer to the right diagram in Figure 3-38 and Figure 3-39.
VIII. Installing accessories
1) Installing the cable-through rack
There are two installation methods for the cable-through rack, depending on whether the wiring trough is opted. Figure 3-45 illustrates the case when the wiring trough is not opted for the cabling rack. Here, the hole at the upper row of the cable-through rack is used. When the wiring trough is opted, the hole at the lower row of the cable-through rack is used, ensuring that the upper plane of the cable-through rack is kept about the
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same level with the top plane of the cabling rack. This is for the convenience of cabling. Generally, the cable-through rack is installed on the cabling ladder of the cabinet top. Its quantity and location varies with the actual condition.
(1) Cabling rack (2) Cable-through rack (3) Upper-row hole of cable-through rack (4) Lower-row hole of cable-through rack
Figure 3-45 Installation of cable-through rack when no wiring trough opted for cabling rack
2) Installing side shield, cable-shielding rings and cable bushing
The cable-shielding rings are directly clipped at both sides of the wiring trough. By adding the cable-shielding ring, the edge of the wiring trough is heightened and the cable could not easily get across the wiring trough. See Figure 3-34 for illustration. Four cable-shielding rings are used for each segment of wiring trough and they are located evenly at both sides.
Side shield is installed at the side of the cabling ladder. This is to keep a good outlook and avoid unintentional damage to the cable.
The cable bushing is installed at the bottom edge to avoid any possible damage to the cable. Any naked bottom edge of the wiring trough should be installed with cable bushing. Please refer to the left diagram in Figure 3-38 for the installation of the side shield and the cable bushing.
3.3.3 Shockproof and reinforcement measures for the cabling rack
As shown in Figure 3-46, cabling racks have formed a network and are connected with the cabinet as an integrated body, which accommodates excellent shockproof functionality. Therefore, when planning the shockproof and reinforcement for the cabinet, just connect the cabling rack to the wall with the U-steel where it is necessary to enhance the shockproof performance of the whole network (including the cabinet). It is recommended to install a piece of U-steel at every other cabinet. The connecting method to the wall is the same as that for ceiling-mount or floor-mount installation,
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where mount-angles are also used. Ensure the insulation between the whole network and the wall by adding insulating plate and insulating washer.
Figure 3-46 Installation of cabling rack and shockproof reinforcement of cabinet
3.4 Installation of Side Doors
Note:
For side-by-side installation, you should first remove the side doors. Install the side doors when cables are installed properly.
I. Tools required
Cross screwdriver and straight screwdriver
II. Preparation for side doors
You can distinguish the side doors of front-access cabinet by color: the light grey part in front is side door, which can be taken down, and the deep grey part is a part of the cabinet, which cannot be taken down. See Figure 3-47.
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Side door
Figure 3-47 Side door of H66 cabinet
Dismantling procedure:
The following illustrates how to remove the side panel:
1) Remove the front panel of the cabinet at first. Open the front panel, pull down the pivot latch, and then pull up the whole front panel to remove it.
2) Take out four screws (M) outside the side panel, and loosen six screws (L) inside the side panel, as shown in Figure 3-48.
3) Pull up the side panel to remove it. Arrows shows in Figure 3-48 indicate the direction of operating force of removing the side panel.
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Figure 3-48 dismantle the side door
III. Installation of side doors
The process of installing side panel is opposite to that of removing it, thereby it is not described here. Try to avoid scratching the surface of the cabinet during the course of installation.
3.5 Installing MA5100 Frame
I. Overview of MA5100 frame
MA5100 uses 10U frame, with fan frame include. Its dimensions are 436.0mm (W) × 420.0mm (D) × 444.5mm (H). Its outline is as shown in Figure 3-49.
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TESTLINE/RS485 TESTLINE/RS485
Figure 3-49 Outline of MA5100 frame
II. Installing MA5100 frame
Both sides of the MA5100 frame are equipped with mounting ears. There are four holes in each mounting ear for installing the fastening screws.
Check and ensure that the guide rails are installed properly before installing the MA5100 frame. Follow the steps below to install a MA5100 frame.
Hold the frame vertically, with the faceplate toward you. Gently slide the frame along the guide rails until the mounting ears of the frame touch the mount angles in the cabinet.
Adjust the frame position to make it locate in the middle of the cabinet. Align the holes in the mount angles with the floating nuts in the square-hole bars, and then secure the eight M6×12 crown screws.
Note:
To fasten the screws, screw them slightly at first, and then fasten them following the diagonal order.
3.6 Mounting and Removing a Board
To mount a board, follow the steps below:
1) Take a new board out of the package. Check whether it is intact. 2) If there is a front panel in a certain slot, use a screwdriver to loosen the fastening
screw in the front panel anti-clockwise, and remove the front panel from the frame.
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3) Hold the levers in the front panel, and lift them up. Then stably push the frame into the slot along the guide rail. Stop pushing the frame until the locking tabs in the front panel touches the locking tab holding holes in the chassis.
4) Pressing the levers down (as shown in Figure 3-50), and use the acting force of the spanners and the chassis positioning holes to push the board into the chassis until the inner side of the lever contacts the panel of the front panel.
5) Fasten clockwise the screws using a screwdriver to secure the board.
Figure 3-50 Board mounting and removing
To remove a board, follow the steps below.
1) Loosen the floating screw on the front panel. 2) Lifting the levers up, and pull out the board slowly. 3) After removing the board, pressing the levers down to secure the levers on the
board. 4) Keep the removed board properly. If necessary, install a front panel in the frame.
Note:
Always wear ESD-preventative strap when mounting or removing a board. When inserting a board into a slot, push it in slowly. To install a board, place the board properly in the guide rails, so that it can be contacted with the
backplane properly. Fasten the two captive screws in the front panel, so as to ensure reliable contact between the front
panel and the frame.
3.7 Cleansing and Installing the Air Filter
I. Removal and Installation of the air filter
Both the front and bottom of the H66 cabinet are equipped with air filters.
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The air filter on the front door is made of sponge, making it easy for the filter removal and installation. However, due care should be taken to prevent the filter from any damage.
The filamentary filter at the cabinet bottom does not have a baffle. With its resilient elasticity, this filter can be forcefully inserted into the Z-shape dampers on the sides (as illustrated in Figure 3-51). To remove it, just draw it out from the Z-shape dampers slowly.
Filamentary filter
Z-shape damper
Z-shape damper
Installing the filter
Appearance of the filter after it is installed
Filamentary filter
Figure 3-51 Installation of the air filter
II. Cleasing of the air filter
To guarantee proper heat dissipation and system ventilation, it is necessary to cleanse the air filter regularly, e.g., every 3~6 months as recommended.
Usually, when installed in a well-conditioned equipment room, the air filter is to be cleaned every 6 months; and when installed in a poor-conditioned room, the air filter is to be cleaned every 3 months.
There are two cleansing methods for the air filter: dry-cleaning and water-washing.
1) Dry-cleaning
Remove the air filter from the cabinet. Flap off the thick dust off the filter, and then use a vacuum cleaner to remove the remaining dust on the filter. Finally reinstall it to the cabinet. Dry-cleaning is suitable for sponge filter.
2) Water-washing
Remove the air filter the cabinet. Flap off the thick dust off the filter, and then use a water pipe to wash it (the maximum water pressure is 20KPa, and the maximum water spray height is 1.5m). Finally reinstall the air filter to the cabinet after it becomes dry. Water washing is suitable for both filamentary and aluminum dust-proof screens.
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Note:
You can choose to adopt either dry-cleaning or water-washing as desired. Water-washing can better clean the air filter. However it takes time since you can reinstall it after it becomes dry.
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Chapter 4 Installing Power Supply System
4.1 Overview
The MA5100 uses a distributed power supply system. The working power of each board is supplied by the DC/DC module, and the system is powered with -48V DC input power. The MA5100 cabinet supports power supplies of either 220V AC, 110V AC or -48V DC.
In 220VAC power supply, GEPS4845 (220V) power module and SPD23SZ lightning protection box are used.
In 110VAC power supply, GEPS4845 (110V) power module and SPD32SZ lightning protection box are used.
In -48VDC power supply, power distribution box is used.
4.2 Installing AC Power Supply System and Corollary Equipment
4.2.1 Installing Lightning Protection Box
I. Overview of SPD23SZ Lightning Protection Box
The MA5100 uses the SPD23SZ lightning protection box (referred to as SPD23SZ hereinafter). This lightning protection box is designed to be installed in a 19-inch cabinet. In compliance with the requirements specified in IEC-60664, IEC-61312 and IEC-61643, it provides Class C protection for single-phase AC power supply. It provides efficient protection against over-voltage and alarm circuit.
1) Introduction to lightning protection box
Dimensions of the SPD23SZ are 276.0×270.0×137.2mm (H×W×D). It weighs 4.26kg. There are three cabling holes (I~III) at its top, and two holes at the back for securing purpose. Front view and rear view of the SPD23SZ are shown in Figure 4-1 respectively.
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(1) RUN (in green) (2) ALM (in red) (3) ON/OFF switch
Figure 4-1 Front view and rear view of the SPD23SZ
2) Over-voltage protection
When the voltage of mains reaches 295V~305V, the over-voltage protection function of the SPD23SZ will be started. It cuts off the power supply to the MA5100 to protect the power supply system and equipment. When the mains voltage falls to 280V~290V or even lower, the power supply to the MA5100 is recovered.
Note:
When the over-voltage protection function is started, the SPD23SZ still provides the lightning protection function. The green LED on its front panel remains on.
3) Application range
Due to the capacity limit of the over-voltage protection circuit, the SPD23SZ is mainly used for the power system with AC input less than 20A.
II. Introduction to SPD32SZ lightning protection box
When the MA5100 is power by 110VAC supply, SPD32SZ lightning protection box is required, to protect the power module and loads from being surged by lightning over-voltage or transient over-voltage.
Characteristics of SPD32SZ lightning protection box:
Series circuit can ensure high protective performance and low residual voltage. Temperature on/off control and built-in overvoltage circuit can prevent totally fire
disaster. Multiple auto current balancing makes it a preference for the area often stricken by
thunder. Common mode and differential mode protection Mains-diesel alternative switch
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Dichromatic LED to indicate running state more visibly Remote fault and power-off (main contacts) alarming facilitates remote control. Simple installation and maintenance Long operation time under adverse circumstance with high concentration of acid,
alkali, salt and dust, or of high humidity.
Its specifications are listed in Table 4-1.
Table 4-1 Technical specifications of SPD32SZ LPD
Dimensions 400 (W) × 266 (H) × 115 mm (D)
Nominal voltage Single-phase 110V
Running voltage 127V
Nominal discharge current (8/20µs) 40kA
Max. through-current capacity (8/20µs) 65kA
Max. voltage allowed 800V
Payload (Irms) 50A
Response time ≤25ns
Sectional area of input cable ≥10mm2
Operating environment Temperature -40~+85°C, relative humidity ≤95% (25°C)
III. Installation preparations
1) Secure the SPD23SZ against the wall using two expansion bolts that are not bigger than M6.
2) The cross sectional area of the phase lines (L) and neutral lines (N) through the SPD23SZ should not be smaller than 6mm2. It is recommended to use copper-pin cables.
3) Use copper-pin cables not smaller than 25mm2 as the ground cable. 4) Resistance of the grounding devices should be smaller than 5Ω.
IV. Installing lightning protection box
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Note:
Shut off the power supply before installing the SPD23SZ. Make sure that no dangerous voltage exists on the neutral line (N).
After the LPB installation is completed, turn on the MCB to start the LPB. If the MCB is switched off, then the lightning protection function will become unavailable and the power supply will be terminated. Therefore, it is forbidden to switch off the MCB in the LPB during normal operation.
1) Secure the SPD23SZ against the wall using two expansion bolts. The AC power cord between the SPD23SZ and the MA5100 should be 5~10m.
2) Open the faceplate of the SPD23SZ, and perform the cabling according to the joint detail attached on the back of the front panel.
3) Led out a ground cable (PE line) from the grounding busbar in the SPD23SZ, and then connect it to the protection grounding bar in the equipment room. The cross sectional area of the ground cable should not be smaller than 25mm2. Keep the connection cable as short as possible. The grounding resistance should not be larger than 5Ω.
4) Make sure that all connections are reliable and proper. 5) Make sure that all the connections conform to the joint detail. Then connect the
power at the miniature circuit breaker (MCB) to power on the SPD23SZ. Confirm that the RUN LED on the panel lights, and the ALM LED lights when the power at the MCB is disconnected.
6) Close the cabinet faceplate.
Note:
MA5100 grounding must be connected to the grounding bar of the lightning protection box. For the electronic connection of the LPB and MA5100, see 4.2.2 Figure 4-4.
V. Maintenance of the Lightning Protection Box
1) If the green LED on the panel lights, it indicates that the lightning protection function is normal.
2) If the red LED on the panel lights, it indicates the lightning protection box failure. In such case, contact the customer service personnel of Huawei Technologies in time for SPD23SZ replacement.
3) If it is required to disconnect the PE line for some reason, cut off the AC power supply to the SPD23SZ first to remove the dangerous internal voltage. Always confirm there is no dangerous voltage in the neutral line (N).
4) The prerequisite conditions for normal operations of the SPD23SZ are as follows:
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Ambient temperature: -40°C~40°C Altitude: ≤3000m. Power frequency: 48~62Hz Wind speed: ≤35m/s
Note:
The LPB is designed to be used in normal conditions and adverse environment as well. However, part of its performances may deteriorate unexpectedly when working in adverse conditions. It is recommended to make routine inspection of the LPB, and fix problems or faults in time.
4.2.2 Installing Primary Power Module
I. Overview
The MA5100 is powered by GEPS4845 (110V AC) power module or GEPS4845 (220V AC) power module. Only the installation is discussed here. For more details about the power modules, see corresponding User Manual. Figure 4-2 shows the outline of GEPS4845 power module.
B
MS
COM
(1) Power distribution frame (PDF) (2) Monitor module (3) Rectifier module (4) Fastening screw hole
Figure 4-2 Front view of GEPS4845 power module
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Note:
The power module has been installed before delivery. All you need to do on site is to check power cable connection. For more details about it, see GEPS4815-3A-2.55kW-1A Power Module User Manual.
GEPS4845 (110V AC) power module is the same as GEPS4845 (220V AC) power module in terms of outline and installation. So we use GEPS4845 power module to represent both of them.
II. Installation of GEPS4845 power module
There is one mount angle at each side of the power module, with two bolt holes on each mount angle, which are used for fastening screws. Through it has been installed before delivery, the following installation steps are as reference in later maintenance.
Installation procedure:
1) Put the power module on the corresponding slide rail in the cabinet. Then gently push the frame into the cabinet, making the mount angle of the frame contact that of the cabinet.
2) Adjust the module, making it located in the middle of the cabinet. Here, the four installation holes on the mount angles at both sides of frame should be aligned with the captive nuts on the mount angle of the cabinet, then screw in four M6%12 panel fasteners.
Caution:
When fastening screws, first screw them lightly, then fasten them diagonally.
III. Electric Connection in the power module
As front-maintained type, GEPS4845 module is connected to other modules via the wiring terminal in the front, for power distribution and signal exchange.
Distribution cables include AC input cable, DC output cable, and battery input cable. Wiring terminal is in the front panel of the power module. See Figure 4-3.
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(1) AC input MCB (63A) (2) Battery input MCB (63A) (3) Load 1 MCB (10A) (4) Load 2 MCB (20A) (5) Load 3 MCB (20A) (6) Load 4 MCB (50A) (7) AC live terminal (8) AC neutral terminal (9) Protection ground terminal (10) Battery 48V- terminal (11) Load 48V- terminal (12) Battery 48V+ terminal (13) Load 48V+ terminal
Figure 4-3 GEPS4845 power module terminal block
As shown in Figure 4-3, AC input terminals are at the leftmost end, respectively marked as AC-L, AC-N and , where L terminal connects live line; N terminal connects neutral line; connects protection ground cable inside the cabinet. Remove transparent protective cover on the panel, and take out the baffles above AC terminals along the direction of arrow. The OT-4 terminal can be used as AC terminals. You can decide load terminal model and load cable model accordingly.
Make power cable on site by yourself as per the following steps:
1) Cut a piece of cable of proper length based on the site need. 2) Strip cable sheath and put on heat-shrink tube. 3) Crimp OT terminal to the cable with crimp pliers. 4) Heat the heat-shrink tube up to stick it fast to the cable.
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Caution:
Make sure AC input is cut off during cable connection, since it is live with high voltage otherwise. Temporary label is required for the switch which is prohibited to move in cable connection.
Fully insulate connection points of AC terminals and other bare points which are not required. Cover the baffle again over the terminal after cable connection.
IV. Installation procedure:
As shown in Figure 4-4, connect the blue live line led out from the lightning protection box to the AC-L terminal of the GEPS4845 power module, and the black neutral line to the AC-N terminal. The line should be 5~10m long. Choose U-type terminal as AC terminals. You can decide load terminal and cable model accordingly.
Connect one end of the yellow-green PGND line (from the lightning protection box to MA5100) to the terminal, and the other end to ground bar at the lightning protection box. Tighten the fastening nuts at both ends. The cross-sectional area of the ground wire must not be less than 25mm2 and the length less than 10m.
It is needed to lead out a protection ground cable from the lightning protection box, as shown in Figure 4-4. Connect the other end to protection ground bar of the equipment room. The cross-sectional area of the ground wire must not be less than 25mm2. Its length should be as short as possible. The grounding resistance value of the protection grounding bus in the equipment room should not be larger than 5Ω.
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Input line
Live line L
Lightning protection box
Ground bar
5~10m
LIVE
NEUTRALNeutral line N
Protection ground bar of equipment room
<10m
MA5100 cabinet
GEPS4845PE
PGND
AC-L AC-N
Figure 4-4 AC input connection of GEPS 4845 power module
It is also necessary to connect other points inside the cabinet to the terminal in the MA5100. Then connect the PGND terminal in the cabinet to protection ground bar of the equipment room.
V. DC output connection of GEPS 4845 power module
In Figure 4-3, LOAD.(-) represents connection position for negative end of load cable. Terminals 1-2-3-, B-2-3- and 4-4- are the connection points for negative ends of loads 1, 2, 3, 4 and emergency lightening. The terminals of the same marks are connected in parallel and you can choose one of them in specific connection. The miniature circuit breakers (MCB) which correspond to them are LOAD1 10A, LOAD2 20A, LOAD3 20A and LOAD4 50A. You can connect emergency lighting cable to the B terminal, which is connected to battery negative terminal B1B2 in parallel, but not controlled with an MCB.
You can choose terminal model and cable model by yourself base on load volume. Lay cable in accordance with engineering requirements. Follow the following steps to connect load cable:
Affirm that all load MCBs involved are off. Connect load end + to terminal LOAD (+). Connect load end – to terminal LOAD (-).
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VI. Battery input connection of the power module
You can choose terminal model and cable model by yourself base on battery volume. Lay cable in accordance with engineering requirements. Follow the following steps to connect battery cable:
Prepare positive and negative connecting leads, including making terminals and marking positive and negative.
Affirm that all battery MCBs involved are off. Bundle positive and negative connecting leads. Connect one end of positive lead to terminal BATT (+). Connect one end of negative lead to terminal BATT (-). Connect the other end of positive lead to the positive terminal of battery. Connect the other end of positive lead to the negative terminal of battery.
Caution:
It is normal that sparks may be generated when connecting negative lead to terminal BATT (-). Strict insulation measures are required in adding loads when the line is live, to avoid appearance of
short-circuiting.
VII. Signal cable connection of the power module
All signal interfaces are at the front panel of the power module, as shown in Figure 4-5.
COM
MS
(1)
(2)
(3)
(1) Communication interface DB37 (2) Communication interface COM(3) Communication interface MS
Figure 4-5 Communication interfaces in GEPS4845 module
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Description of communication interfaces:
1) Communication interface COM
It can be connected with corresponding signal cable in RS232 or RS422 mode.
In RS422 mode, pin 1 TX+, pin 2 TX-, pin 4 RX+, pin 5 RX-.
In RS232 mode, pin 3 RX, pin 7 TX, pin 6 GND.
2) Communication interface MS
It is connected in RS232 mode.
Pin 1 and pin 2 to GND, pin 3 to TXD, pin 4 to RXD.
3) Communication interface DB37
It requires a signal transfer box for coordination. Connect the little end of signal cable to the DB37 interface on the front panel, and the big end to the signal transfer box.
Caution:
Only shielded cable can serve as signal cable. The two communication interfaces support protection switching. If they are used simultaneously, the
MS communicating interface has the higher priority.
4.2.3 Installing the Battery
Batteries are not pre-installed in the cabinet due its heavy weight. The arrangement and cablings of batteries are implemented on site. To install the batteries, follow exactly the descriptions below. Any short circuit may hurt personnel and damage the equipment.
Note:
In most cases, four batteries which forms a group can meet the power supply requirement. You can install two groups of batteries when necessary.
I. Introduction to battery rack
As the batteries are installed outside of the MA5100, the external battery racks are needed.
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The battery rack consists of rack, cover, cable fixing socket and cabling stud. The cabling stud is protected by the cover. See Figure 4-6 for the mechanical outline of the battery rack.
(1) Rack (2) Wire fixing base r
Figure 4-6 Mechanical outline of battery rack
II. Installing the battery rack
The load-bearing capacity of the floor in the equipment room is required to be at least 500 kg/m2 for the installation of the battery rack.
Tools required for installing the battery rack include:
One cross screwdriver One flathead screwdriver Two wrenches One angle plier One multimeter
III. Battery installation precautions
When a battery is in the open-circuit state, its performance will degrade irreversibly. Long time storage of batteries (more than three months) without recharge will cause an irrecoverable loss of battery capacity, which affects the battery’s service life severely.
Before the installation, measure the open circuit voltage of the battery. If the open circuit voltage is lower than the specified lower limit (12.48V for 12V battery, and 2.08V for 2V battery) due to self-discharge, or the batteries are not installed three
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months after arrival, the battery must be recharged. The charge mode is the forced even charge. The charging voltage is 14.3~14.5V/PC (for 12V battery), or 2.35~2 .45V/PC (for 2V battery), and the charging time is 20~24 hours (do not exceed 24 hours).
If the open circuit voltage of the battery is too lower (12.12V for 12V battery, and 2.02V for 2V battery) due to self-discharge, ask the specialists to handle it.
During the installation, each battery should be kept at least 10mm space away from each other, facilitating its heat dissipation during the running.
Caution:
1) The batteries must be connected with the power supply system correctly. Otherwise, they may not be managed properly, or the recharge current may be too excessive. Therefore, it is necessary to check the wiring connection carefully. If any problem arises, resolve it immediately. 2) Disconnect the power distribution control equipment before installing battery. 3) Operate the equipment carefully, and avoid reverse connection or short circuit.
IV. Installing batteries
Install the battery according to the following procedure:
1) Put the battery on the battery shelf
The battery support has two layers and each can accommodate four batteries. shows the installation effect of the batteries on the shelf. ith one battery group installed only, the batteries should be installed at the lower layer.
2) Connect the anode and cathode of each group of batteries
Figure 4-8 (1-3) shows the connection of one battery group, and Figure 4-9 (1-6) shows that of two battery groups.
3) Connect the battery to the power frame in the subscriber cabinet
Figure 4-8 (1) and (2) show the connection of one battery group, and Figure 4-9 (1)-(4) show that of two battery groups.
4) Bundle all cables to finish the installation.
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(1) Battery shelf (2) Battery
Figure 4-7 Installation of batteries in battery shelf
211 2 3 3 45
(2)(1)
(1) To BATT1- of terminal block of power frame (2) To BATT1+ of terminal block of power frame
Figure 4-8 Joint detail of one battery group
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(1) To BATT1- of terminal block of power frame (2) To BATT2- of terminal block of power frame (3) To BATT1+ of terminal block of power frame (4) To BATT2+ of terminal block of power frame
Figure 4-9 Joint detail of two battery groups
V. Checking the battery installation
After the battery shelf is installed, follow the steps below to check if the battery can work normally.
1) Connect correctly the battery and the GEPS4845 power supply. Turn on the AC power supply and check if the system is normally powered (the board LEDs are in normal status).
2) Turn off the AC power input and check the board LED status. If the LED status is still normal, it means that the battery works normally. If the LED turns off, it means that the battery does not work normally. In this case, find out the problem and reinstall the battery.
VI. Precautions
1) When a battery is in the open circuit status, its performance always degrades irreversibly. If the batteries have not been recharged during long storage (more than 3 months), an irrecoverable loss of battery capacity will occur, which will severely affect the batteries’ service life.
2) If the open circuit voltage is lower than the specified lower limit (12.48V for 12V battery, and 2.08V for 2V battery) due to self-discharge, or the batteries are not installed three months after arrival, then you must charge the batteries. The
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charging mode is the forced even charging. The charging voltage is 14.3~14.5V/PCS (for 12V battery), or 2.35~2 .45V/PCS (for 2V battery). The charging time is 20~24 hours, but should not exceed 24 hours.
3) Recovery of stable voltage recharge: If the open circuit voltage is below the specified lower limit (12.12V for 12V batteries, 2.02V for 2V batteries) due to self-discharge of the battery, only professionals are entitled to handle the situation.
4) Please measure the open circuit voltage of the batteries before installation. The voltage of the 12V battery should not be lower than 12.48V and that of the 2V battery should not be lower than 2.08V. Otherwise, the batteries need to be charged.
Caution:
The connections between the batteries and the power distribution system should be proper, or it will cause problems such as: The battery management cannot be implemented, excessive battery charging current, etc. Therefore, please check whether the system connections are proper and modify in time if any problem is found.
VII. Electronic connection of battery and the GEPS4845
For the electronic connection of battery and the GEPS4845,see 4.2.2 V. DC output connection of GEPS 4845 power module
4.3 Installing Signal Transfer Box
I. Overview
You can configure signal transfer box optionally when GEPS4845 power module is used, for connecting GEPS4845 monitor unit with external sensors. The front panel of signal transfer box is as shown in Figure 4-10.
Figure 4-10 Front panel of signal transfer box
The port meanings are listed in Table 4-2.
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Table 4-2 Description of signal ports and sensor model
Silk screen Signal port Pin functions
BAT_WE Battery temperature sensor port
Pin 1 for ground, pin 2 for signal cable, pin 4 for +12V power cord
WATER Water sensor port Pin 1 for +12V power cord, pin 2 for signal cable, pin 3 for ground. When impedance between pin 2 and pin 3 drops to a certain value, alarms will be triggered.
TEM_HU Temperature-humidity sensor port
Pins 1 and 3 for +24V power cord, pin 2 for temperature signal cable, pin 4 for humidity signal cable
JTP1 PDF sensor port Pin 2 for +48V power cord, pin 1 for signal cable
SMOKE Smoke sensor port Pin 2 for +24V power cord, pin 1 for signal cable
JTM1 Access control sensor port
Pin 2 for +24V power cord, pin 1 for signal cable. By default, when pin 1 and pin 2 are shorted, access control is in normal state; when they are disconnected, alarms are triggered. If no access control sensor is used, short-circuit pin 1 and pin 2 to disable access control alarms.
JK1,JK2 Alarm main contact port
It allows maximum voltage of 60VDC and maximum load current of 500mA. When critical alarms happen, JK1 is shorted; when other types of alarms happen, JK2 is shorted. The user can define alarm severity levels via BAM program.
JAC1,JAC2 Optical coupler output port
Pin 1 and pin 2 respectively for pole C and pole E of optical coupler, with parameters of Vcemax=40Vdc and Icmax=80mA. Reduced values should be configured in real application.
JTD1~JTD7 Backup Boolean input port
Pin 1 for +24V output power cord, pin 2 for +12V output power cord, pin 3 for signal input, pin 4 for ground.
The user can decide to access what kinds of signals. After brief configuration, the monitor unit can supervise them.
II. Installing
Connecting with monitor unit
Connect the smaller end of the cable to the DB37 interface on the front panel, and the other end to signal transfer box.
Connecting with various sensors
See GEPS4815-3A-2.55kW-1A Power System User Manual.
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4.4 Installing DC Power Distribution Box
4.4.1 Installing Power Distribution Frame
I. Introduction to power distribuition frame
To extend electric interfaces and facilitate cable distribution, connect the -48V power supply directly to the power distribution frame, and then to transmission equipment and the MA5100 through the power distribution frame and cables.
Figure 4-11 shows the outline of the power distribution frame.
(1) Output terminal (2) Output switch (3) Input terminal (4) Monitoring parameter output terminal (5) Surge protection board
Figure 4-11 Outline of power distribution frame
Components and their functions:
The output terminals are common UK6N terminals. They are 18 terminals forming 9 load outputs (One output comprises one pair of positive pole and negative pole).
The three independent branch switches controls the nine load outputs respectively. The branch switch uses magnetic-break protector. The rated current of each switch is 50A. When there is occurrence of short-circuit or over-current, the switch will be automatically broken to isolate the failure.
The input terminals are OT terminals. They are used for reliable connection of power cables. The terminals have transparent attachable protection caps, which ensure efficient separation from other components and objects.
The monitoring parameter output terminal is a DB15 connector. It supports outputting four digital signals including the signal of DC input surge protection and the signals of branch switch status, which monitor whether the surge protection circuit is valid and whether the three branch switches are normal respectively.
The surge protection board suppresses transient surge current of external -48V DC input. When its protection circuit becomes invalid, the board can be pulled out or plugged in at hot-line situation for maintenance.
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II. Installing power distribution frame
There is one mount ear at both sides of the DC power distribution frame, and each mount ear has two bolt holes used to fasten the screws.
Installation process
1) Install captive nuts to the mount angles of the cabinet according to the frame position.
2) Put the power distribution frame on the corresponding slide rail in the cabinet, and then push it into the cabinet gently, making its mount ear contact mount angle of the cabinet.
3) Adjust the power distribution frame, making it in the middle of the cabinet. Here, the four bolt holes on the mount ears at both sides of the power distribution frame should be aligned with the captive nuts on the mount angles of the cabinet, and then screw in four panel fasteners M6%12 to secure the power distribution frame.
4) Install the delivery attached protection cover of the power distribution frame.
Caution:
When fastening screws, screw them lightly, and then tighten them diagonally.
4.4.2 Connecting Cables
I. External electric connection of power distribution frame
The power cables of the power distribution frame are connected through the terminal blocks on the front panel of the system. The electric connection includes -48V leadin connection and load leadout connection.
1) Connecting -48V DC leadin
Connect two (or one) -48V power supply inputs of the equipment room directly to the terminal block in the middle of the power distribution frame, as shown in Figure 4-11. Here, “NEG(-)”, “RTN(+)”, “PGND” are connected to the external -48V cable (blue), RTN cable (black) and PGND cable (yellow green) of the equipment room respectively.
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Caution:
If the equipment room has only one -48V power supply input, the wiring terminals “NEG(-)” and “NEG(2)” on the terminal block of the power distribution frame must be connected.
2) Connecting load leadout
The branch switch SW1 can be connected with three channels of load leadout, which are connecting to the three 1- and 1+ terminal pairs respectively. The 1- terminal connects to the -48V (negative pole) of the power supply and the 1+ terminal connects to the BGND (positive pole) of the power supply.
The branch switch SW2 can also be connected with three channels of load leadout, which are connecting to the three 2- and 2+ terminal pairs respectively. The connection mode is similar to that of SW1.
The branch switch SW3 can be connected with two channels of load leadout, which are connecting to the two 3- and 3+ terminal pairs respectively.
The ESC (-) and ESC (+) terminals correspond to environment monitoring frame. It is an independent branch load.
Figure 4-12 illustrates the connection diagram. Note to connect the cables correctly.
1- 1+ESC- ESC+
To ESC
2- 2+ 3- 3+
To transmission frame 3
To ModemTo transmission frame 2
To transmission frame 1
To MD5500 frame 1
To MD5500 frame 2
Figure 4-12 Power supply leadout of power distribution frame
Note:
The connection for the DC load leadouts have already been made before the delivery. It is unnecessary to modify them.
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II. Installing Power Cord and Grounding Cable for cabinet
If the cabinet uses –48V DC power supply, it does not require the AC/DC power frame. The –48V power cords are directly connected to the power distribution frame (PDF) at the uppermost part of the cabinet. The cables are led in from the top of the cabinet. Figure 4-13 shows the connection of the external power cord and the grounding cable.
-48V
BGND
PGND
Protection ground bar of equipment room
DC power distribution cabinet
Frame
PDB
To D
C po
wer c
abine
t
MA5100 cabinet
-48V
BGND
Figure 4-13 Connection of the external power cord and the grounding cable
-48V power cord lead two -48V inputs from the DC power distribution cabinet into the MA5100 cabinet. Connect one end of the -48V cable (in blue) to the cabling stud marked with “-48V1” or “-48V2” in the PDF, the other end to the 48V negative pole bar of the DC power distribution cabinet in the equipment room (or the power distribution box). If there is no DC power distribution cabinet (or the power distribution box) in the equipment room, connect the -48V cable to the 48V negative pole bar of the DC power cabinet.
BGND cable connect one end of the BGND cable (in black) to the cabling stud marked with the “BGND”, and the other end to the 48V positive pole bar of the DC power distribution cabinet (or the power distribution box). If there is no DC power distribution cabinet (or the power distribution box) in the equipment room, connect the BGND cable to the 48V positive pole bar of the DC power cabinet. The sectional area of the connecting cable should not be less than 16mm2 and the keep the connecting the cable as short as possible.
PGND cable connect one end of the protection grounding cable (in yellow-green) to the “PGND” terminal inside the MA5100 cabinet, and the other end to the PGND grounding bar of the DC power distribution cabinet (or the PDB). If the DC power distribution cabinet (or the PDB) is unavailable, connect the protection grounding cable to the
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protection grounding bar of the equipment room. The sectional area of the connecting cable should not be less than 25mm2, and the connecting cable should be as short as possible during the engineering construction.
4.5 Installing Power Cords and Grounding Cables for Combined Cabinets
Combined cabinet installation mode may be required to keep same potential between the basic cabinet and extension cabinet when local subtending is used for adding new subscribers. Then the combined cabinets can only be powered by external DC power unit for convenience of centralized monitoring and management.
In this installation mode, the grounding bars of two MA5100 cabinets are shorted with wires of 6mm2 sectional area and 300mm length. Figure 4-14 shows the position of these shorting wires.
MA5100 frame
Front-maintained PDB
MA5100 frame
MA5100 frame MA5100 frame
Inter-cabinet shorting wire
Front-maintained PDB
Figure 4-14 Shorting wires between basic cabinet and extension cabinet
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Chapter 5 Arrangement of Cables and Optical Fibers
5.1 Cabling Requirements
The technical requirements and precautions during cabling work are as follows:
1) The power cables, ground wires and various signal wires should be firmly and reliably connected at both ends, and the socket connections or screw connections should be reliable. If two or more OT terminals are to be installed on one connector post, the cross installation mode should be adopted. The smaller OT terminal(s) should be installed above the larger one(s), or the OT terminal should be bent by 45° or 90°. The overlapping installation is not allowed for the OT terminal.
(1) The overlapping is forbidden (2) Bent by 45°or 90° (3) It is forbidden to install the smaller terminal below (4) Cross installation
Figure 5-1 OT terminal installation
2) Labels on both ends of the cable should be properly positioned, with correct and clear contents. The numbers for both ends of the cable should be written on strap labels, which are tied 2cm behind the connectors respectively. See Figure 5-2 for details, and the labels should indicate the corresponding relations.
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(1) Labels
Figure 5-2 Cable labels
3) All cables, especially the digital trunk cables and optical fiber pigtails, can not be excessively bent at turning points so as to protect the cable cores from damage. Figure 5-3 shows the bundling of subscriber cables at turning points.
(1) No bundling at the bend (2) Cable tie
Figure 5-3 Bundling of subscriber cables at turning points
4) Cable bending radius should be more than two times of its diameter. The bending radius near the connector outlet reaches 4~6 times. In general, it is more than 4cm. For optic fiber, the bending radius is more than 20 times of its diameter.
5) To bundle cables between the frames, three cable ties should be used for each frame, and the top one should be at the bend. The space between cable ties should be even and the buckles should be at the outer edge of the cable bundles.
6) Cable trough arrangement technique
First, clean the rubbish in the trough. And seal both ends to keep rat from damaging the cables.
All cables from the inlet of the trough to the inside of the cabinet should be arranged in good order. The cables should be of the same lengths in the trough. See Figure 5-4 for details.
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Signal cables in the trough should be separated from power cables as far as possible. They should not be too close to each other (5cm distance at least), let alone being bundled together.
(1) Subscriber cable (2) Distribution frame (3) Trough
Figure 5-4 Schematic diagram of cable trough layout
1) The cables must be neatly arranged, without skin damage, and should not be pulled by force. Leave a certain margin and keep moderate bundling.
2) The cables can not be mixed, and cables of different kinds should be laid out separately.
3) The specifications, routes, cross sections and positions of cables should conform to the stipulations in the construction drawings. The cable arrangement and the use of ports should facilitate the future maintenance and capacity expansion.
4) The cables laid in walkway must be bundled. The bundled cables should be close and the appearance is regular. The spacing between cable ties is even with moderate tightness. Especially, the fiber pigtails should not be bundled too tightly. If flaxen thread is used as the binding material, it should be wax-soaked. Cables laid in trenches/troughs are not required to be bundled, but should be tidily arranged to avoid crossing-over if possible. The cables should be kept
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within the trough. At the ingress and egress of the trough and the cable bend, the cables should be properly bundled and fixed with plastic fastener. Protection sleeves are required for the fibers distributed in the trough.
5) Cables should be bundled with an even spacing. Bundle the cables at every 8 square holes on the square-hole bar (for power cables and ground wires). At the back of the cabinet, bundle the cables wherever they go across a beam (for communication cables). The cable ties should be free of sharp tips and the buckles should point to the same direction if possible. Excessive optical fibers and cables should be tidily coiled up so that they can be found conveniently. Fiber pigtails that are not in use temporarily should be well protected. Cable connectors made on site must be firm, reliable and neat.
6) If the equipment room is installed with the anti-static floor, it is recommended that the subscriber cable adopt the lower cabling mode. Thus the cabling is elegant and easy to run. If the equipment is not installed with the support, the upper cabling method should be adopted, and the cable guide are installed over the cabinet. When the lower cabling mode is adopted, all cables pass through the floor interlayer or cabling trough. When the upper cabling is adopted, the cables pass through the upper cabling cabinet or lower cabling cabinet over the cabinet. The cabling standard, route, cross section and location should comply with the stipulations in the construction drawings. The cables must be arranged in order and there is no damage on the sheaths. The specifications, routes, cross sections and positions of the cables should conform to the stipulations in the construction drawings. The cables should be tidily arranged, without skin damage. The subscriber cables and the power cables should be arranged separately. The cables should be bent evenly and smoothly. The outside of the bent curve should be kept vertical. The minimum bend radius should be greater than 60mm.
5.2 Arrangement of Cables
5.2.1 Overview
The MA5100 frame is equipped with 16 slots, which are numbered, from left to right, as 0~15. Slots 7 and 8 are for the main control board exclusively. Other slots can be inserted with any service board. Both the main control board and the service boards adopt the front-panel-leading-out mode.
The MA5100 adopts the H66 Series cabinet, where cable is arranged as the follows:
1) Cable and optical fiber are led out from the front panel of the board. 2) The cable is routed to the wiring frame, then to the wire bushing at the two sides
of the cabinet, where it is bundled. 3) You can adopt downward routing or upward routing as required. Bundle the
cables at the two sides of the cabinet, and lead the cables out from the top or the bottom of the cabinet.
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Note:
For introduction to boards and cable, refer to the relevant section in the Appendix.
5.2.2 Installing MMXC Cable
I. Introduction to MMX Board
MMX is the core of service convergence, switching in the MA5100.It ensures QoS for user data by means of congestion control, traffic shaping and policing.
MMX is designed to be installed in the slot No.7and 8. It can not be configured in slots for the service board. Dimensions of MMX are 366.7×340.0×2.0mm (H×D×W). Figure 5-5 shows the silk-screen on the MMX.
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(1)(2)(3)
(4)
(5)
(6)
(7)
(8)
MMXC
CO
NM
ON
ETH
RUN
ALM
ACT
RESET
(1)(2)(3)
(4)
(5)
(6)
(7)
(8)
MMXC
CO
NM
ON
ETH
RUN
ALM
ACT
RESET
(1) RUN LED (2) ALM LED (3) ACT LED (4) Reset button (5) High-speed signal interface (6) Maintenance serial port
(7) Environment monitoring interface (8) Ethernet interface
Figure 5-5 MMX silk-screen
Table 5-1 shows the various interfaces on the MMX.
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Table 5-1 MMX silk-screen description
Silk-screen Meaning Description
RUN Running status indicator (in green)
It indicates the board operational status. When it flashes on then off for about one second, the board works normally.
ALM Alarm indicator (in red) It is off when the system is normal. It lights when service channel in the MMX has fault.
ACT Link status indicator (in green)
It is on when the active board is used, and is off when the backup board is used.
RESET Button for resetting the system manually
It is on when the system is reset.
High-speed signal interface
MMX provides different upstream signal interface through different subboard, including 155M ATM optical interface, IMA interface.
CON Maintenance serial port
CON serial port is used for system maintenance through command line.
MON Environment monitoring interface
ETH Maintenance interface ETH is a 10BASE-T interface used for system maintenance.
II. Installing MMX Cable
Cables used for the interfaces of MMX board are listed in Table 5-2.
Table 5-2 MMX cable connections
Interface Cable Connection description
CON Maintenance serial interface cable
Connect one end of the cable to the CON interface of MMX board using RJ45 connector, and the other end to a PC using DB9 or DB25 connector.
ETH
Straight through network cable or crossover network cable
When connecting a maintenance PC, use the crossover network cable; When connecting a switch or router, use the straight through network cable.
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Interface Cable Connection description
High-speed upstream interface
Optical fiber
Connect one end of the fiber to the optical subboard, and the other end to the equipment. For detained information about optical fiber bundling, refer to5.3 Installing and Arranging Optical Fiber.
The MMX board uses very few cables. Bundling these cables is rather simple. See Figure 5-6.
(1) MMX board (2) Maintenance serial port cable (3) Environment monitoring cable (4) Maintenance network interface cable (5) Clock cable
Figure 5-6 MMX board cable routing
5.2.3 Installing ADL Cable
I. Introduction to ADL Board
The MA5100 provides a series of ADSL boards, so as to provide diversified solutions. The dimensions of the ADL service board are: 366.7mm (H) X 340.0mm (D) X 2.0mm (W).
Table 5-3 lists the boards the MA5100 supports.
Table 5-3 ADSL boards provided by the MA5100
Board Description
ADLE The board, with a built-in Splitter, provides 32 ADSL interfaces (ADSL over POTS).
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Board Description
ADLG The board, with a built-in Splitter, provides 32 ADSL interfaces (ADSL over POTS), and supports capture operation.
ADLH The board, with a built-in complex-impedance Splitter, provides 32 ADSL interfaces (ADSL over POTS), and does not support capture operation.
ADLJ The board, with a built-in double-impedance Splitter, provides 32 ADSL interfaces (ADSL over POTS), and supports capture operation.
ADLI The board provides 32 ADSL interfaces (ADSL over ISDN). It must incorporate with 32-channel SPLI.
ADCE The board, with a built-in Splitter, provides 32 ADSL2+ interfaces.
The ADSL boards use the same 32-channel ADSL cables. However, their wiring ways are different. According to whether a board needs to coordinate with the Splitter, these boards can be divided into the following two categories:
Coordinate with the Splitter: ADLI Not coordinate with the Splitter: ADLE, ADLG, ADLH, ADLJ, and ADCE.
The following describes how to install cables for these two categories of boards.
II. Installing ADLI-SPLI Cable
Connect the ADLI and SPLI using ADSL-SPL cable. See Figure 5-7.
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SPLI
RUN
ALM
RESET
PST
NLI
NE
AD
SL
ADLI
RUN
ALM
RESET
AD
SL
ADSL-SPL cable
SPL cable MDF
SPL cable MDF
SPLI
RUN
ALM
RESET
PST
NLI
NE
AD
SL
SPLI
RUN
ALM
RESET
PST
NLI
NE
AD
SL
ADLI
RUN
ALM
RESET
AD
SL
ADLI
RUN
ALM
RESET
AD
SL
ADSL-SPL cable
SPL cable MDF
SPL cable MDF
Figure 5-7 Connecting SPLI to ADLI and MDF
Table 5-4 lists the silk-screen on the SPL.
Table 5-4 SPL silk-screen description
LED Interface Function
ADSL ADSL cable interface It indicates to connect the ADSL-SPL cable to the ADSL cable interface on the ADL.
LINE Subscriber cable interface It indicates to connect the subscriber cable to the main distribution frame (MDF), the POTS and ADSL hybrid signaling cable to the ATU-R.
PSTN PSTN cable interface It indicates to connect the subscriber cable to the MDF. The POTS signaling is led in.
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SPL user cables are front-access-cabled inside the cabinet. The SPL user cables out of the front panel of the SPL board are routed to the both sides of the cabinet from the cabling frame. These cables should be bundled along the both sides of the cabinet. They should not be bundled with power cables.
When inserting the ADSL cable plug, push it in horizontally without shaking to the right or left. When pulling the plug out, pinch the locker on the plug with your fingers, and then pull it out horizontally, shown as Figure 5-8.
Figure 5-8 ADSL board cable plug-in/pull-out diagram
Note
Wrong plug-in or pull-out operation may curve the pins. If feeling any relatively heavy pressure in the course of plug-in or pull-out, stop the operation, and check whether the pins are curved or broken off.
III. Installing ADLE/ADLG/ADLH/ADLJ/ADCE Cable
ADLE/ADLG/ADLH/ADLJ/ADCE has a built-in splitter module to realize voice splitting individually. This kind of borads use the same cable as ADLI cable. Figure 5-9 illustrates the board front panel.
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ADLG
RUN
ALM
PSTN
LIN
E
ADLH
RUN
ALM
PSTN
LIN
E
ADCE
RUN
ALM
PSTN
LIN
E
ADLE
RUN
ALM
PSTN
LIN
E
ADLJ
RUN
ALM
PSTN
LIN
E
ADLG
RUN
ALM
PSTN
LIN
E
ADLG
RUN
ALM
PSTN
LIN
E
ADLH
RUN
ALM
PSTN
LIN
E
ADLH
RUN
ALM
PSTN
LIN
E
ADCE
RUN
ALM
PSTN
LIN
E
ADCE
RUN
ALM
PSTN
LIN
E
ADLE
RUN
ALM
PSTN
LIN
E
ADLE
RUN
ALM
PSTN
LIN
E
ADLJ
RUN
ALM
PSTN
LIN
E
ADLJ
RUN
ALM
PSTN
LIN
E
Figure 5-9 ADLE/ADLG/ADLH/ADLJ/ADCE board silk-screen
The following points should be cautioned in ADLE/ADLG/ADLH/ADLJ/ADCE cabling in the case of full configuration of the cabinet:
Subscriber cables should be bundled tightly together. In a frame, it is recommended to first arrange cables of slots 6 and 9 (service slots in the middle) then cables of slots 5~0 and 10~15. The first arranged cables are put on the later arranged cable in bundling, so that too tight cable installation will not disturb board insertion and removal.
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Corrugated tube is required when optical fiber enters the cabinet from the cable access hole on the left (recommended).
The power cord is recommended to enter the cabinet from the cable access hole on the right.
IV. Jumper of the ADSL Cable
For the purpose of installing ADSL user cables, it is required to install jumpers of the cables in the vendee’s equipment room. The jumpers for the aforesaid two categories of ADSL boards are different. The following describes the details.
1) Jumper of ADLI
Select an empty port in ADLI and cut off the jumper between the MDF at the office end and MDF at the customer end. Then connect the MDF at the office end with a PSTN port in SPL board using a jumper, and the MDF at the customer end with LINE port in SPL. Record the frame No., slot No. and port No. where the jumper is located. See Figure 5-10.
MDF at the office end
Hybrid data and voiceAnalog voice
Splitter
10Base-T
ADSL Modem
Dotted line is the physical line before making jumper
PSTN
ATM
SPL
LINE
PSTN
ADL
ADSL
ADSL
Data
MDF at the user end
Solidline is the physical line after making jumper
Figure 5-10 ADLI jumper
2) ADLE/ADLG/ADLH/ADLJ/ADCE jumper
ADLE/ADLG/ADLH/ADLJ/ADCE jumper is basically the same as the ADLI jumper. See Figure 5-11.
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MDF at the user endMDF at the office end
Hybrid data and voiceAnalog voice
Splitter
10Base-T
ADSL Modem
Dotted line is the physical line before making jumperSolid line the pyhsical line after making jumper
PSTN
ATM
ADLE
LINE
PSTN
Figure 5-11 ADLE/ADLG/ADLH/ADLJ/ADCE jumper
5.2.4 Installing LAND Cable
I. Overview
The MA5100 LAND board is an Ethernet access board, which provides a variety of interfaces by using different subboards. The LAND board implements transparent bridging function (RFC1483B) for the IP-DSLAM application, and for the interconnection of LAN leased line over ATM.
The subboards are as follow:
Table 5-5 LAND subboard
Subboard Interface
E8FS 8%10BASE-T/100BASE-TX (100m)
O2FSB 2%100BASE-FX (multimode, 2km)
O2FSF 2%100BASE-FX (single mode, 15km)
O2FSG 2%100BASE-FX (single mode, 40km)
O4FSB 4%100BASE-FX (multimode, 2km)
O4FSF 4%100BASE-FX (single mode, 15km)
O4FSG 4%100BASE-FX (single mode, 40km)
O8FSB 8%100BASE-FX (multimode, 2km)
O8FSF 8%100BASE-FX (single mode, 15km)
O8FSG 8%100BASE-FX (single mode, 40km)
O1GTA 1%GE optical interface (multimode, 500m)
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Subboard Interface
O1GTF 1%GE optical interface (multimode, 10k)
O1GTH 1%GE optical interface (multimode, 70km)
Dimensions of LAND are 366.7×340.0×2.0mm (H×D×W). Its silk-screen is shown in Figure 5-12.
(1)(2)
(3)
LAND
(4)
(1) RUN LED (2) ALM LED (3) Reset button (4) Subboard interfaces
Figure 5-12 H512LANC board silk-screen
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Table 5-6 shows the various interfaces on the LAND.
Table 5-6 LAND silk-screen description
LED Meaning Description
RUN Running status indicator (in green) It indicates the board operational status. When it flashes on then off for about one second, the board works normally.
ALM Alarm indicator (in red) It is off when the system is normalIt lights when service channel in the MMX has fault.
RESET Button for resetting the system manually
It is on when the board is reset.
Subboard interface
Provides a variety of interfaces by using different subboards..
Table 5-7 lists the descriptions about each status LED.
Table 5-7 Description of LAND board Ethernet interface status LEDs
LED Meaning Description
Green LED Status LED It indicates whether network cable is correctly connected. It is on when the network cable is correctly connected. Otherwise, it is off.
Orange LED Data activation LED
It indicates whether there is data transceiving in the network interface. It lights when a packet is transmitted or received. Otherwise, it is off.
II. Installing LAND cable
The LAND board can be equipped with various subboards to provide a series of interfaces. It uses network cable and optical fiber, which can be installed as the follows:
1) Installing network cable
MA5100 10/100M Ethernet cable consist of straight-through cable and crossover cable. They are similar in cable structure, but different in cable pinouts.
The Ethernet cables are led out from the front panel of the boards in the cabinet. When the cables or fibers are led out from the panel of the LAN board, they are wired from the cabling frame under the MA5100 service frame, and led to the two sides of
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the cabinet. The cables and fibers should be bundled along the sides of the cabinet, and separated from the power cables.
2) Connecting the fibers
When the subboards for optical interfaces are used, you should connect the fibers. The fibers for the LAND board are laid in the same way as that for the MMX/AIU. Refer to 5.3 Installing and Arranging Optical Fiber for details.
5.2.5 Installing SHLA Cable
I. Introduction to SHLA board
SHLA offers 32-channel SHDSL access in ATM mode. Figure 5-13 shows the SHLA board silk-screen.
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(1)(2)
(3)
SHLA
G.S
HD
SL
(4)
(1) RUN LED (2) Alarm LED (3) RESET LED (4) 32-channel G.SHDSL interface
Figure 5-13 SHLA board silk-screen
Table 5-8 SHLA silk-screen description
Silk-screen Meaning Description
RUN Running status indicator (in green)
It indicates the board operational status. When it flashes on then off for about one second, the board works normally.
ALM Alarm indicator (in red) It is off when the system is normal. It lights when service channel in the MMX is abnormal.
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Silk-screen Meaning Description
RESET Button for resetting the system manually
It is on when the system is during reset.
G.SHDSL 32-channel G.SHDSL interface in ATM mode are available
II. Installing SHLA Cable
SHLA cable is the same as ADLE cable. They are both 32-channel ADSL subscriber cable. For more detailed information, refer to section 5.2.3 III. Installing ADLE/ADLG/ADLH/ADLJ/ADCE Cable.
5.2.6 Installing ISU Cable
I. Introduction to the ISU Board
The ISU board is mainly used to achieve the function of broad-band access server (BAS), and provide access for signals from the MMX through the bus of backplane.
The MA5100 provides two types of ISU boards, the ISUA board and the ISUE board (which is configured invariably with 4×FE electrical interface subboard). The ISU board resides in slots 14 or 15 of the MA5100 frame exclusively. Dimensions of the ISU board are 366.7×340.0×2.0mm (H×D×W).
The ISUA board and the ISUE board share the same silkscreen print. Figure 5-14 shows the silkscreen print of the ISUA board.
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(1)(2)
(3)
(6)
ISU
RUN
ALM
RESET4
3
2
1
CO
NET
H
8
7
6
5
10
9
(4)
(5)
(7)
(1)(2)
(3)
(6)
ISU
RUN
ALM
RESET4
3
2
1
CO
NET
H
8
7
6
5
10
9
(4)
(5)
(7)
(1) Running indicator (2) Alarm indicator (3) Reset button (4) Debugging & remote maintenance serial interface (5) Maintenance network interface (6) FE interface (7) GE interface
Figure 5-14 ISU board front panel silkscreen print
Table 5-9 lists all interfaces of the ISU board and the relevant description:
Table 5-9 ISU front panel silkscreen print description
Silkscreen Meaning Description
RUN Running indicator (green)
It is used to indicate the running status of the board. When it flashes by one second on and one second off, it indicates that the board is running normally.
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Silkscreen Meaning Description
ALM Alarm indicator (red) It is off when the system is normal. It is on when the ESM board fails in checking service
RESET Manual reset button It is used to reset the system.
CON Maintenance serial interface
It is used to provide local & remote maintenance functions so that the system can be configured in the mode of CLI using software such as HyperTerminal.
ETH Maintenance network interface
It is used to provide 10BASE-T NM interface for system configuration and maintenance.
FE FE interface It is used to provide various FE interfaces.
GE GE interface It is used to provide various GE interfaces.
Equipped with two subboard slots, the ISUA (or ISUE) board can be configured with various subboards to offer abundant FE/GE interfaces. For the ISUA board, the subboard slot 1 can house various FE and GE optical interface subboards, and the subboard slot 2 can house various FE optical interface subboards. For the ISUE board, the subboard slot 1 can house various FE and GE optical interface subboards, and the slot 2 invariably houses the 4×FE electrical interface subboard. Table 5-10 lists various subboards and the associated interfaces.
Table 5-10 ISU board FE/GE interface configuration
ISU board Subboard Interface description
E4FB Offers 4-channel of 10/100M Ethernet electrical interface
O4FBB Offers 4-channel of 10/100M Ethernet multi-mode optical interface
O4FBF Offers 4-channel of 10/100M Ethernet single-mode optical interface
O2GAA Offer 2-channel of GE multi-mode optical interface
O2GAE Offers 2-channel of GE single-mode optical interface
O2GAX Offers 1-channel of GE multi-mode optical interface and 1-channel of GE single-mode optical interface
ISUA/ISUE
O1GAA Offers 1-channel of GE multi-mode optical interface
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ISU board Subboard Interface description
O1GAE Offers 1-channel of GE single-mode optical interface ISUA/ISUE
O1GAG Offers 1-channel of GE single-mode optical interface
II. Installing ISU Cable
The ISU board adopts the same maintenance serial interface cables, maintenance network cables and optical fibers as those used by the MMX board.
5.2.7 Installing IMU Cable
I. Introduction to the IMU board
The H511IMU board (IMU for short) is a service board of the MA5100. It provides 16-channel E1 electrical interfaces, which transmit ATM cells over E1 lines in ATM UNI/IMA mode for the purpose of IMA service provisioning. The IMU supports downstream cascading of MA5105s. However, it does not support the IMA uplink function.
Figure 5-15 shows the silkscreen print of the ISUA board.
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(1)(2)
(3)
(4)
IMU
RUN
ALM
RESET
E1/T
1 0-
7E1
/T1
8-15
(1)(2)
(3)
(4)
IMU
RUN
ALM
RESET
(1)(2)
(3)
(4)
IMU
RUN
ALM
RESET
E1/T
1 0-
7E1
/T1
8-15
(1) Running indicator (2) Alarm indicator (3) Reset button (4) IMA interface
Figure 5-15 IMU board front panel silkscreen print
II. Installing IMU Cable
Each IMU board is equipped with two 8-channel E1 trunk cables. One end of the cable uses DB68PIN connector, with spacing of 1.27mm. The other end uses either SMB connector or naked cable. When using SMB connector, the IMU cable is directly connected to a switch. When using naked cable, the IMU cable is directly connected to the MDF.
Three trunk cables are available:
Cable impedance is 75Ω, one end of the cable using SMB connector.
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Cable impedance is 75Ω, one end of the cable using bare cable. Cable impedance is 120Ω, one end of the cable using bare cable.
Choose the proper cable type depending on the actual needs.
IMU cabling is performed in the front. It needs to be configured with two 8-channel E1 trunk cable. See Figure 5-16 for the cable structure.
(1) Coaxial connector-SMB connector (2) Label (3) 68PIN connector shell (4) 68PIN connector tip
Figure 5-16 8-channel E1 trunk cable structure
Table 5-11 lists the cable pinouts.
Table 5-11 8-channel E1 cable pinouts
Connector X1
Cable and sequence
Label Connector
X1 Cable and sequence
Label
66 Ground wire
32 Ground wire
65 Tip
16 R0
31 Tip
8 R4
62 Ground wire
28 Ground wire
61 Tip
15 T0
27 Tip
7 T4
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Connector X1
Cable and sequence
Label Connector
X1 Cable and sequence
Label
58 Ground wire 24 Ground ire
57 Tip 14 R1
23 Tip 6 R5
54 Ground wire
20 Ground wire
53 Tip
13 T1
19 Tip
5 T5
50 Ground wire
16 Ground wire
49 Tip
12 R2
15 Tip
4 R6
46 Ground wire
12 Ground wire
45 Tip
11 T2
11 Tip
3 T6
42 Ground wire
8 Ground wire
41 Tip
10 R3
7 Tip
2 R7
38 Ground wire 9 T3
4 Ground wire
1 T7
37 Tip 9 T3 3 Tip 1 T7
The E1 cabling is performed in the front of the MA5100 cabinet. The E1 cable led out from the front panel is routed to the both sides of the cabinet through the cabling frame in the bottom of MA5100 frame. Bundle it along the left or right sides of the cabinet separately, and keep it away from the power cords and other unshielded signaling cables.
5.2.8 Installing E8IT Cable
When MMX and AIU are configured with the E8IT subboard for IMA service, it provides 8-channel E1 interfaces. 4-channel E1 trunk cable is needed. One end of the E1 cable uses DB50PIN connector to connect with DB50 interface in E8IT board. The other end uses either SMB connector or naked cable. When using SMB connector, the CESC cable is directly connected to a switch. When using naked cable, the CESC cable is directly connected to the MDF
Three trunk cables are available:
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Cable impedance is 75Ω, one end of the cable using SMB connector. Cable impedance is 75Ω, one end of the cable using bare cable. Cable impedance is 120Ω, one end of the cable using bare cable.
Choose the proper cable type depending on the actual needs.
5.2.9 Installing Master-slave Subtending Cable
The subtending module mainly controls the access of slave frames of the MA5100. There are two master-slave subtending modes: SEPA/SMXB and SEPL/SMXL:
The SEPA board in the master frame is connected with the SMXB board in the slave frame through LVDS (IEEE 1394cables). Thus, the slave frame is subtended to the master frame. Messages between the service boards in the slave frames and the MMX in the master frame are transmitted through the SMXB and the SEPA boards.
The SEPL board in the master frame is connected with the SXML board in the slave frame through optical fibers. Thus, the slave frame is subtended to the master frame. Messages between the service boards in the slave frames and the MMX in the master frame are transmitted through the SMXL and the SEPL boards.
Note:
The frame ID of the master frame is fixed as 0, and the IDs of the slave frames range from 1 to 4. In the aforesaid two subtending modes, the slave frames are numbered differently. For details, refer to SmartAX MA5100/5103 Multi-service Access Module Operation Manual.
The following introduces the two subtending modes.
I. SEPA/SMXB master-slave subtending
Figure 5-17 shows the silk-screens on the SMXB and SEPA boards.
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(1)(2)
(4)
(6)
(5)
SMXB
CO
NRUN
ALM
RESET
SB0
SB1
(1)(2)
(4)
(7)
SEPA
RUN
ALM
RESET
(3)ACT
SN2
SN3
SN0
SN1
(1)(2)
(4)
(6)
(5)
SMXB
CO
NRUN
ALM
RESET
SB0
SB1
(1)(2)
(4)
(6)
(5)
SMXB
CO
NRUN
ALM
RESET
SB0
SB1
(1)(2)
(4)
(7)
SEPA
RUN
ALM
RESET
(3)ACT
SN2
SN3
SN0
SN1
(1)(2)
(4)
(7)
SEPA
RUN
ALM
RESET
(3)ACT
SN2
SN3
SN0
SN1
(1) RUN LED (2) ALARM LED (3) ACT LED (4) Reset button (5) Maintenance serial port (6)/(7) Subtending port
Figure 5-17 Silk-screens on the SMXB and SEPA boards
LVDS cables (IEEE 1394) are used to connect the SMXB board and the SEPA board for the purpose of subtending the master and slave frames.
The SMXB board’s active and standby ports SB0 and SB1 are used for subtending the master and slave frames. The SEPA board has four ports (SN0-SN3) in total.
When there are active and standby SEPA boards in the master frame, the cabling is as follows:
The SMXB uses two IEEE 1394 subtending cables. One is used to connect the SB0 port on the SMXB board and one port (assume SN0) of SN0-SN3 ports on the active SEPA board in the master frame. The other is used to connect the SB1 port on the
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SMXB board and the corresponding port (SN0) on the standby SEPA board. See Figure 5-18 for the specific cabling.
MMXC
7# 14# 15# SEPA
SN0SN1SN2SN3
SN0SN1SN2SN3
SMXB
7#
SB0SB1
SMXB
7#
SB0SB1
SMXB
7#
SB0SB1
SMXB
7#
SB0SB1
Master Frame 0
Slave Frame 1 Slave Frame 3Slave Frame 2 Slave Frame 4
MMXC
7# 14# 15# SEPA
SN0SN1SN2SN3
SN0SN1SN2SN3
MMXC
7# 14# 15# SEPA
SN0SN1SN2SN3
SN0SN1SN2SN3
SMXB
7#
SB0SB1
SMXB
7#
SB0SB1
SMXB
7#
SB0SB1
SMXB
7#
SB0SB1
SMXB
7#
SB0SB1
SMXB
7#
SB0SB1
SMXB
7#
SB0SB1
SMXB
7#
SB0SB1
Master Frame 0
Slave Frame 1 Slave Frame 3Slave Frame 2 Slave Frame 4
Figure 5-18 Master-slave subtending cabling
The H66 Series Cabinets are adopted for the MA5100. A cabinet can be installed with up to three service frames (the specific number of frames is determined according to the corresponding configuration). If subscribers are added by means of master-slave subtending, and another cabinet is needed, the two cabinets should be combined. The subtending cables should be routed through the combined cabinets.
II. SEPL/SMXL Subtending
Figure 5-19 shows the silk-screens on the SEPL and SMXL boards.
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(1)(2)
(4)
(6)
(5)
SMXL
CO
NRUN
ALM
RESET
(1)(2)
(4)
(7)
SEPL
RUN
ALM
RESET
(3)ACT
(1)(2)
(4)
(6)
(5)
SMXL
CO
NRUN
ALM
RESET
(1)(2)
(4)
(6)
(5)
SMXL
CO
NRUN
ALM
RESET
(1)(2)
(4)
(7)
SEPL
RUN
ALM
RESET
(3)ACT
(1)(2)
(4)
(7)
SEPL
RUN
ALM
RESET
(3)ACT
(1) RUN LED (2) ALARM LED (3) ACT LED (4) Reset button (5) Maintenance Serial port (6)/(7) Subtending port-optical port
Figure 5-19 silk-screens on the SEPL and SMXL boards
In SEPL/SMXL master-slave subtending mode, use optical fibers. The routing of such optical fibers between the SEPL board in the master frame and the SMXL boards in the slave frame is the same as cabling in SEPA/SMXB mode.
5.2.10 Installing AIU Cable
I. Introduction to AIU Board
H511AIUA board provides ATM interfaces for remote cascading of MA5100. When configured with different subboards, it can provide a single-mode STM-1 optical interface, a multi-mode STM-1 ATM optical interface, two single-mode STM-1 ATM
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optical interfaces, two multi-mode STM-1 ATM interfaces or eight E1 IMA interfaces. Silk screen on the board is shown in Figure 5-20.
Note:
AIUA supports at most two subboards, but you cannot configure two subboards which provide different types of interfaces, that is one of the STM-1 optical subboard, IAM subboard, APON subboard (here we see single-mode interface and multimode interface as the same type.).
AIUA supports 1~4 155M ATM optical interfaces, which work independently. That is, they cannot work in active/standby mode and also not in load-sharing mode. The first subboard must be of dual-interface type when three optical interfaces are required in configuration.
(1)(2)
(3)
(4)
AIU
(1) Run LED (2) Alarm LED (3) Reset button (4) ATM/IMA interface
Figure 5-20 Front panel of H511AIUA board
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The LED indicators on the H511AIUA board are described in Table 5-12.
Table 5-12 Description of H511 AIUA LED indicators
Indicator Meaning Remarks
RUN Run LED in green
It indicates the board is normal when t blinks alternatively one second and one second.
ALM Alarm LED in red
It is off when the system is normal. When communicate with the MMX is abnormal, it is on.
RESET Reset button For board rebooting
II. Installing AIU cable
When configured with IMA subboard, E8IT cable is used. See 5.2.8 Installing E8IT Cable.
When configured with ATM subboard, optical fiber is used, see 5.3 Installing and Arranging Optical Fiber.
5.3 Installing and Arranging Optical Fiber
The MA5100 can be configured with one or two 155M ATM optical fibers. The optical fiber can not be bundled too tightly, and the flexure diameter can not be less than 40mm. Put the extra pigtail under the cabinet bottom neatly. When the optical fiber is installed outside the cabinet, it should be equipped with protective tube, and the protective tube shall be secured in the cabinet. The fiber is led out from the MMX optical interface, and led into the back of the cabinet through the cabling frame. Bundle the fiber along the left and right side of the cabinet. Make proper labels on the fibers.
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Chapter 6 Checking Hardware Installation
When the hardware installation is completed, it is required to check the hardware installation to make good preparations for the subsequent software installation and system debugging. The checkup includes the following three aspects:
Making overall inspection Checking system power supply Checking system status after power-on
6.1 Making Overall Inspection
The overall inspection refers to review of the entire installation work. The check items include cabinets, cable distribution, connectors, sockets, labels, and site environment, which are described in detail in the following paragraphs:
I. Checking cabinets
The check points are as follows:
The installed cabinets should be stable and tidy. For multiple rows of cabinet, each row shall run parallel.
The vertical deviation of cabinets should be within 3mm. All cover plates and doors should be fit on the cabinets and be in a line, with the
deviation less than 5mm. Two adjacent cabinets should be fixed together closely. The front surface and back surface of the cabinets in the same row should be on the same plane.
Make sure that all the screws are fixed firmly, with flat and spring washers mounted properly.
The parts on the cabinets should be intact and in right place; the connection lines should not be damaged or broken; the labels should be correct, clear and complete.
The cabinets should be spotless. Fingerprints left during the installation should be cleaned up.
The cabling holes at the top and bottom of the cabinets should be covered to prevent small creatures (such as mice) from entering.
II. Checking cable distribution
1) Power cables and ground cables
This checkup covers all the power cables and ground cables which come from the AC/DC modules first to power distribution boxes on the cabinet back, then to the
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busbars and to the power sockets on various backplanes. Make sure that all the power cables and ground cables are reliably and correctly connected.
2) Intra-module cables All cables are correctly connected and the connectors are free of loose
connection. All the cables are bundled properly and spacing between ties is appropriate. Cable ties are not overlaid, and have no sharp ends.
3) Cables and optical fibers Cables cannot be too tight at turn points. The wiring route should be correct and cables should be bundled with the same
interval. The cables inside the cabinets should be straight and smooth without crossover.
The cables outside the cabinets should be bundled together. The cables in the troughs or along the cabling ladders should be tidily arranged. All
cables should be bound properly without damage to the jacket. Proper surplus should be left for the cables. The cable ties should be cut with flush
ends and without superimposition.
III. Checking connectors and sockets
1) Connectors
The locking catches of the cable connectors should be firmly buckled and coaxial cable connectors should be fixed firmly.
2) Sockets
Check all the sockets to make sure that there is no broken pin and bent pins does not cause short circuit.
IV. Checking labels
All labels should be clean, clear and neatly arranged in proper position.
V. Checking site environment
1) Cabinets
No redundant cable tie end, cable end or other sundries is left in cabinets. The front and rear doors, side cover plates of cabinets should be clean with no stain, fingerprint and the like left.
2) Cabling trough
No engineering remnants, such as cable tie ends, cable ends and desiccant bags, should be left in the cabling troughs, under cabinets or the raised floor around cabinets.
3) Equipment room
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Unnecessary materials should be dismissed out of the equipment room and necessary articles should be in order. The operation consoles should be clean and orderly, and raised floor should be smooth and clean.
After checking of the hardware installation, check the power system.
6.2 Checking System Power Supply
Power on the system after the hardware installation checkup is completed. The specific steps are as follows:
1) Set the main switch of the 220V AC or -48V DC power supply to OFF. 2) Set all the AC power sockets and power switches connected with the equipment
and terminals to OFF. 3) Pull out all the boards from the MA5100 case, or just loosely mount them in the
case, but make sure that board does not touch the pins on the backplane. 4) Test with a multimeter to determine whether short circuit exists between the phase
line (live wire), ground line and neutral line of each power socket. 5) If the 220V AC power supply is used, switch on the main switch of the 220V AC
power supply and measure with a multimeter to determine whether power voltage at the UPS (Uninterrupted Power Supply) input is normal. If it is normal, then switch on the UPS and measure whether the UPS output is normal. Switch on the switch of equipment power socket and measure with the multimeter to see whether the output is normal. At the point the input VIN ELD on the MA5100 rectifier module is ON.
6) If the -48V DC power supply is used, first test whether any short circuit occurs in the three PDF terminals (-48V, GND and PGND) with a multimeter. Then, switch on the main switch of the -48V DC power supply and measure with a multimeter to see whether the voltages between –48V DC and GND, -48V DC and PGND in PDF are normal (-40V~-57V).
6.3 Checking System Status after Power-on
After the system power supply is tested to be normal, proceed to check the system status.
1) If the 220V AC power input is normal, switch on the switch of the MA5100 rectifier module and the power switch of the cabinet. The green RUN LED (Light Emitting Diode) on the panel of each rectifier module should be ON, and the red ALM LED should be OFF all the time. The fans in the fan frame and in the equipment case start working. If any fan is abnormal, please take it out of the fan frame for test.
2) If the -48V DC power input is normal, turn on the power switch of the cabinet. At this time, fans in the fan frame in the equipment case should start working. If any fan is abnormal, please take it out of the fan frame for test.
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3) Power off the equipment and mount the boards. Then switch on the power switch, and all LEDs on the board panels will light and the RUN LEDs flash.
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Chapter 7 Appendix
7.1 Cabinet Specifications
I. Cabinet dimensions and weight
Table 7-1 Cabinet dimensions and weight
Type of cabinet H68-18 cabinet H68-22 cabinet
Weight (excluding frames) 81kg 95kg
Weight (including frames 190kg 230kg
Dimensions (W×D×H) 600mm×800mm×1800mm 600mm×800mm×2200mm
II. Working voltage
DC: -40V~-57V
AC: 220V±20% (47~63Hz)
110V±20% (47~63Hz)
III. Power consumption of boards
The power consumption of various boards is listed in Table 7-2.
Table 7-2 Power consumption of boards
Board Power consumption (W)
MMX(including subboard) 27
ADLE 51(1.56W/port)
ADLI 51(1.56W/port) SPLI:0
ADLG 50 (1.56W/Port)
ADLH 50 (1.56W/Port)
ADLJ 50 (1.56W/Port)
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Board Power consumption (W)
LAND
17 (H511O1GTA/H511O1GTF/H511O1GTH)
25 (H511O8FSB/H511O8FSF/H511O8FSG)
24 (H511O4FSB/H511O4FSF/H511O4FSG)
18 (H511O2FSB/H511O2FSF)
17 (H511O1FSB/H511O1FSF/H511O1FSG)
22 (H511E8FS)
AIUA 27
SHLA 36
ISUA(no subboard) 30
ISUE(H531E4FA) 31
SMXB 10
SEPA 10
SMXL 13
SEPL 13
IV. Power consumption of frames
Note:
MA5100 frame can be configured with various boards. The power consumption of the MA5100 frame varies with different configurations. The following example assumes that all boards in the frame are ADL boards.
Figure 7-1 shows an example of frame configuration.
10 2 3 4 5 6 7 8 9 10 11 12 13 14 15
ADL
ADL
ADL
ADL
ADL
ADL
ADL
MMX
ADL
ADL
ADL
ADL
ADL
ADL
ADL
Figure 7-1 Frame configuration
792W(including fan frame)/frame when configured with 32-port ADLE.
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7.2 Wiring Diagrams
7.2.1 AC Power System + 1 MA5100 Service Frame
COM
MS
Figure 7-2 Wiring for AC power system + 1 MA5100 service frame
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(1) Side door (2) Rear door (3) Bottom plate (4) Front door
Figure 7-3 Grounding cable wiring for AC power system + 1 MA5100 service frame
Table 7-3 Wiring description for AC power system + 1 MA5100 service frame
No. Name Quantity Remark
1 -48V feeder cable 1 Cable No.: 1
2 Serial port communication cable 1 Cable No.: 6
3 PGND cable 5 Cable No.: 11~15
4 Modem -48V power cable 1 Cable No.: 40
5 Auxiliary port communication cable 1 Cable No.: 41
6 Modem signal-transfer cable 1 Cable No.: 42
7 Modem phone-transfer cable 1 Cable No.: 43
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7.2.2 DC Power System + 1 MA5100 Service Frame
Figure 7-4 Wiring for DC power system + 1 MA5100 service frame
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(1) Side door (2) Rear door (3) Bottom plate (4) Front door
Figure 7-5 Grounding cable wiring for DC power system + 1 MA5100 service frame
Table 7-4 Wiring description for DC power system + 1 MA5100 service frame
No. Name Quantity Remark
1 -48V feeder cable 1 Cable No.: 1
2 -48V feeder cable of ESC monitoring box 1 Cable No.: 2
3 Monitoring line of distribution box 1 Cable No.: 4
4 Serial port communication cable 2 Cable No.: 6~7
5 PGND feeder cable 5 Cable No.: 11~15
6 Modem -48V power cable 1 Cable No.: 40
7 Auxiliary port communication cable 1 Cable No.: 41
8 Modem signal-transfer cable 1 Cable No.: 42
9 Modem phone-transfer cable 1 Cable No.: 43
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7.2.3 AC Power System + 2 MA5100 Service Frames
COM
MS
Figure 7-6 Wiring for AC power system + 2 MA5100 service frames
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(1) Side door (2) Rear door (3) Bottom plate (4) Front door
Figure 7-7 Grounding cable wiring for AC power system + 2 MA5100 service frames
Table 7-5 Wiring description for AC power system + 2 MA5100 service frames
No. Name Quantity Remark
1 -48V feeder cable 1 Cable No.: 1
2 -48V feeder cable 1 Cable No.: 3
3 Serial port communication cable 1 Cable No.: 6
4 PGND feeder cable 5 Cable No.: 11~15
5 Modem -48V power cable 1 Cable No.: 40
6 Auxiliary port communication cable 1 Cable No.: 41
7 Modem signal-transfer cable 1 Cable No.: 42
8 Modem phone-transfer cable 1 Cable No.: 43
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7.2.4 DC Power System + 2 MA5100 Service Frames
Figure 7-8 Wiring for DC power system + 2 MA5100 service frames
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(1) Side door (2) Rear door (3) Bottom plate (4) Front door
Figure 7-9 Grounding cable wiring for DC power system + 2 MA5100 service frames
Table 7-6 Wiring description for DC power system + 2 MA5100 service frames
No. Name Quantity Remark
1 -48V feeder cable 1 Cable No.: 1
2 -48V feeder cable 1 Cable No.: 3
3 -48V feeder cable of ESC monitoring box 1 Cable No.: 2
4 Monitoring line of distribution box 1 Cable No.: 4
5 Serial port communication cable 2 Cable No.: 6~7
6 PGND feeder cable 5 Cable No.: 11~15
7 Modem -48V power cable 1 Cable No.: 40
8 Auxiliary port communication cable 1 Cable No.: 41
9 Modem signal-transfer cable 1 Cable No.: 42
10 Modem phone-transfer cable 1 Cable No.: 43
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7.2.5 DC Power System + 3 MA5100 Service Frames
Figure 7-10 Wiring for DC power system + 3 MA5100 service frames
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(1) Side door (2) Rear door (3) Bottom plate (4) Front door
Figure 7-11 Grounding cable wiring for DC power system + 3 MA5100 service frames
Table 7-7 Wiring description for DC power system + 3 MA5100 service frames
No. Name Quantity Remark
1 -48V feeder cable 1 Cable No.: 1
2 -48V feeder cable 1 Cable No.: 3
3 -48V feeder cable 1 Cable No.: 18
4 -48V feeder cable of ESC monitoring box 1 Cable No.: 2
5 Monitoring line of distribution box 1 Cable No.: 4
6 Serial port communication cable 2 Cable No.: 6~7
7 PGND feeder cable 5 Cable No.: 11~15
8 Modem -48V power cable 1 Cable No.: 40
9 Auxiliary port communication cable 1 Cable No.: 41
10 Modem signal-transfer cable 1 Cable No.: 42
11 Modem phone-transfer cable 1 Cable No.: 43
7.3 Introduction of Cables
7.3.1 CON Cable
MMX board has an RJ45-type debugging serial port. One end of the CON cable is connected to CON on the MMX using an RJ45 connector, and the other end connected to the PC using a DB9 connector. See Figure 7-12 for cable assembly.
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(1) A direction (2) D type connector-25PIN (3) Label (4) Network interface connector (5) A direction (6) A direction (7) D type connector-9PIN
Figure 7-12 MMX cable assembly
Cable assignment is detailed in Table 7-8.
Table 7-8 MMX cable pinouts
Connector Pinouts
RJ45 1 2 3 4 5 6 7 8 Shell
DB25Pin 5 6 3 1 7 2 20 4 Shell
DB9Pin 8 6 2 5 5 3 4 7 Shell
7.3.2 ADSL Cable
I. ADLD-SPLC cable
The cabling of both ADLD and SPLC is performed in the front of the MA5100 cabinet. BD68PIN connectors are used. Note that different cables are used for the same frame configuration of ADLD and SPLC and for separate frame configuration.
When they are configured in the same frame, ADSL-SPL mixed frame cable is used, which is shown in Figure 7-13.
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(1) DB68PIN male connector (2) A direction (3) Main label (4) B direction
Figure 7-13 Cable for connecting the ADL -SPL in the same frame
Figure 7-14 shows the cable for connecting the SPL and ADL in different frames.
1
68 35
34
(1) DB68PIN male connector (2) A direction (3) Main label (4) B direction
Figure 7-14 Cable for connecting the SPL and ADL in different frames
Table 7-9 lists the 32-channel ADSL-SPL cable pinouts.
Table 7-9 32-channel ADSL-SPL cable pinouts
X1 X2 Twisted pair or not X1 X2
Twisted pair or
not X1 X2
Twisted pair or
not X1 X2 Twisted pair
or not
1 1 19 19 35 35 53 53
2 2 Twisted pair
20 20Twisted pair 36 36
Twisted pair 54 54
Twisted pair
3 3 21 21 37 37 55 55
4 4 Twisted pair
22 22Twisted pair 38 38
Twisted pair 56 56
Twisted pair
5 5 23 23 39 39 57 57
6 6 Twisted pair
24 24Twisted pair 40 40
Twisted pair 58 58
Twisted pair
7 7 25 25 41 41 59 59
8 8 Twisted pair
26 26Twisted pair 42 42
Twisted pair 60 60
Twisted pair
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X1 X2 Twisted pair or not X1 X2
Twisted pair or
not X1 X2
Twisted pair or
not X1 X2 Twisted pair
or not
9 9 Twisted pair 27 27 43 43 61 61 Twisted pair
10 10 Twisted pair 28 28
Twisted pair
44 44
Twisted pair
62 62 Twisted pair
11 11 29 29 45 45 63 63
12 12 Twisted pair
30 30Twisted pair 46 46
Twisted pair 64 64
Twisted pair
13 13 31 31 47 47 65 65
14 14 Twisted pair
32 32Twisted pair 48 48
Twisted pair 66 66
Twisted pair
15 15 33 33 49 49 67 67
16 16 Twisted pair
34 34Twisted pair 50 50
Twisted pair 68 68
Twisted pair
7.3.3 32-port SPLC Cable
Two SPL cables are needed for each SPLC. Figure 7-15 illustrates the SPL cable structure.
(1) 68PIN connector tip (2) 68PIN connector shell (3) 64C26AWG twisted pair
Figure 7-15 32-port SPL cable structure
Table 7-10 lists the 32-port SPL cable pinouts.
Table 7-10 32-port SPL subscriber cable pinouts
X1 Color Interface X1 Color Interface X1 Color Interfac
e X1 Color Interface
1 Pink/red xxxx 19 Green/Re
d xx 35 Blue/red | | 53 Blue/red (full)
2 Pink/black xxxx
15 20 Green
/black xx
7 36 Blue/black |
|
31 54 Blue/black
(full)
23
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X1 Color Interface X1 Color Interface X1 Color Interfac
e X1 Color Interface
3 Grey/red xxx 14 21 Orange
/red xx 6 37 Pink/red | | 30 55 Green/red (full) 22
4 Grey/black xxx 14 22 Orange
/black xx 6 38 Pink/red | | 30 56 Green/black (full) 22
5 Blue/red xxx 23 Pink/red
xx 39 Grey/red | 57 Orange/red (full)
6 Blue/black xxx
13 24 Pink/blac
k xx
5 40 Grey/black |
29 58
Orange/black (full)
21
7 Green/red xxx 25 Grey/red
x 41 Blue/red | 59 Pink/red (full)
8 Green/black xxx
12 26 Grey
/black x
4 42 Blue/black |
28 60 Pink/black
(full)
20
9 Orange/red xxx 27 Blue/red x 43 Green/red | 61 Grey/red
xxxx
10 Orange/black xxx
11 28 Blue/blac
k x
3 44 Green/black
|
27 62 Grey/black
xxxx
19
11 Pink/red xxx 29 Green/re
d x 45 Orange/red | 63 Blue/red
xxxx
12 Pink/black xxx
10 30 Green/bla
ck x
2 46 Orange/blac
k |
26 64 Blue/black
xxxx
18
13 Grey/red xx 31 Orange
/red x 47 Pink/red | 65 Green/red xxxx
14 Grey/black xx
9 32 Orange
/black x
1 48 Pink/black |
25 66 Green/black
xxxx
17
15 Blue/red xx 33 Pink/red x 49 Grey/red (full) 67 Orange/red
xxxx
16 Blue/black xx
8 34 Pink/blac
k x
0 50 Grey/black
(full)
24 68 Orange/bla
ck xxxx
16
7.3.4 Network Cable
I. Introduction to Network Cables
MA5100 10/100M Ethernet cable consist of straight-through cable and crossover cable. They are similar in cable structure, but different in cable pinouts. The cable pinouts of straight-through cable and crossover cable are illustrated in Table 7-11 and Table 7-12respectively.
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Both of the cables are 8-tip category-5 twisted pairs. There are RJ45 connectors at both ends. See Figure 7-16 for their structures. (unit: cm)
Figure 7-16 LAND cable structure
Table 7-11 Straight-through cable pinouts
Connector X1 8-ring category-5 twisted pair Connector X2
Pin 1 White (orange) Pin 1
Pin 2 Orange Pin
Pin 3 White (green) Pin 3
Pin 4 Blue Pin 4
Pin 5 White (blue) Pin 5
Pin 6 Green Pin 6
Pin 7 White (Brown) Pin 7
Pin 8 Brown Pin 8
Table 7-12 Crossover cable pinouts
Connector X1 8-ring category-5 twisted pair Connector X2
Pin 1 White (orange) Pin 3
Pin 2 Orange Pin 6
Pin 3 White (green) Pin 1
Pin 4 Blue Pin 4
Pin 5 White (blue) Pin 5
Pin 6 Green Pin 2
Pin 7 White (brown) Pin 7
Pin 8 Brown Pin 8
LAN board can use both of the cables when its cable adaptive function is enabled.
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7.3.5 Making Network Cables
I. Making Ordinary Network Cables
An ordinary network cable consists of two ordinary RJ-45 connectors and one C5 twisted pair cable. Its appearance is shown in Figure 7-17.
(1) (2)(3)
(1)(2)
(1) RJ-45 connector (2) Jacket (3) Category-5 twisted pair
Figure 7-17 Sketch map of an ordinary network cable
Please follow the steps below to make ordinary network cables:
1) Check tools and materials Check whether diagonal pliers, blade and crimp pliers are ready. Check whether the RJ-45 connector, category-5 twisted pair and jacket are ready. Check whether the jacket is convex or damaged. If so, please cut the convex or
damaged parts off the cable. 2) Use the diagonal pliers to cut the cable according to actual length requirement. 3) Insert the cable into the jacket, leaving a space of at least 100mm. Do not put the
jacket in a reversed direction. See Figure 7-18.
(1) (1) The cable end where the RJ-45 connector is to be installed.
Figure 7-18 Jacket for the RJ-45 connector
4) Use a blade or a knife to peel 20mm off the jacket. Do not damage the insulation of the pins. See Figure 7-19.
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(1) (1) Twisted pair
Figure 7-19 Peel the jacket
5) After peeling the cable, you can see four pairs of pins. Arrange them neatly according to the internal connection of the cable. (For straight through cable, refer to Table 7-11. For crossover cable, refer to Table 7-12.) Please leave 13~15mm pins and cut off the unnecessary pins. Put the pins into the RJ-45 connector and arrange the pins in the correct order. See Figure 7-20.
Pins arranged according to theorder of network cables.
Figure 7-20 Arrange the pins
6) After arranging the pins neatly within the RJ-45 connector, use the crimp pliers to crimp the connector, and make sure that the connector is always in correct position. When finished, the metal cover on the connector should be lower than the jacket. Then, use a network cable tester or a multimeter to check the crimped pins. Finally, push the jacket to cover the RJ-45 connector. See Figure 7-21.
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Figure 7-21 Crimp the RJ-45 connector
II. Making Shielded Network Cables
A shielded network cable consists of two shielded RJ-45 connectors and one super-C5 twisted pair cable. See Figure 7-22.
(1)
(2)
(3)
(4)
(5) (6) (7)
(1) RJ-45 connector (2) Shield iron cover (3) Jacket (4) C5 cable (5) Jacket (6) Shield iron cover (7) RJ-45 connector
Figure 7-22 Sketch map of a shielded network cable
1) Check tools and materials Check whether all necessary tools are ready, mainly including diagonal pliers,
crimp pliers, blades or knives, etc. Check whether the necessary materials are ready, including shielded RJ-45
connector (which is with shield iron cover and pin fastening slot, see Figure 7-23) and super C5 cables.
Check whether the jacket is convex or damaged. If so, please cut the convex or damaged parts off the cable.
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(1)
(2)
(3)
(5)
(4)
(1) Metal cover onRJ-45 connector (2) Plastic cover of the RJ-45 connector (3) Pin fastening slot (4) Shield iron cover (5) Jacket
Figure 7-23 Composition of a shield RJ-45 connector
2) Install the jacket for the RJ-45 connector Cut the cable into proper length and install the jacket of the RJ-45 connector to the
cable. Use a blade or a knife to peel 30 mm off the skin of the cable. Use a blade to make a 5mm crack on the jacket and install a metal cover on the
metal shielding mesh, then push the metal cover into the jacket. Do not install the jacket and the metal cover in a reversed direction. See Figure 7-24.
Figure 7-24 Install the jacket for RJ-45 connector
3) Install the pins Use the diagonal pliers to cut 20 mm off the cable weaving layer, grounding wire,
aluminum foil and polyester band. Do not damage the metal shielding mesh or the insulation pins.
Arrange the 4 pairs of pins in order and insert them into the pin fastening slot. Planish and arrange the pins neatly. Then, cut off the unnecessary pins along the
edge of the pin fastening slot. Install the plastic cover to the pin fastening slot, and then fasten the slot. See
Figure 7-25.
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(1)
(1) Plastic cover
Figure 7-25 Arrange the pins
4) Crimp the RJ-45 connector Push the metal cover to the RJ-45 connector and use the diagonal pliers to crimp
the metal part on the RJ-45 connector. Make sure the conductors inside the pins are connected well with the metal part and the RJ-45 connector is placed correctly. After crimping the RJ-45 connector, the metal part on it should be lower than the plastic cover. See Figure 7-26 (1).
Use a tester or a multimeter to check the pins. Push the jacket to the RJ-45 connector and then the making of network cable is completed. See Figure 7-26 (2).
(1)
(2)
Figure 7-26 Crimp the RJ-45 connector
7.3.6 SLHA Cable
SHLA cable is the same as ADLE cable. They are both 32-channel ADSL subscriber cable. For more detailed information, refer to section 7.3.3 32-port SPLC Cable.
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7.3.7 E8IT Cable
When MMX and AIU are configured with the E8IT subboard for IMA service, it provides 8-channel E1 interfaces. 4-channel E1 trunk cable is needed. One end of the E1 cable uses DB50PIN connector to connect with DB50 interface in E8IT board. The other end uses either SMB connector or naked cable. When using SMB connector, the CESC cable is directly connected to a switch. When using naked cable, the CESC cable is directly connected to the MDF
Three trunk cables are available:
Cable impedance is 75Ω, one end of the cable using SMB connector. Cable impedance is 75Ω, one end of the cable using bare cable. Cable impedance is 120Ω, one end of the cable using bare cable.
Choose the proper cable type depending on the actual needs.
Figure 7-27 illustrates the cable structure. Table 7-13 lists the cable pinouts.
(1) Label (2) Heat-shrink tube (3) Main label (4) DB50PIN male connector (5) A direction
Figure 7-27 E8IT cable structure
Table 7-13 E8IT cable pinouts
Starting point Color Twisted pair or not Label
49 White/yellow
48 Yellow Twisted pair R3
43 White/black
42 Black Twisted pair R2
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Starting point Color Twisted pair or not Label
37 White/red
36 Red Twisted pair R1
31 White/grey
30 Grey Twisted pair R0
21 White/brown
20 Brown Twisted pair T3
15 White/green
14 Green Twisted pair T2
9 White/orange
8 Orange Twisted pair T1
3 White/blue
2 Blue Twisted pair T0
7.3.8 Master-slave Subtending Cable
IEEE 1394 cables are used to connect the SMXB board and the SEPA board for the purpose of subtending the master and slave frames. Figure 7-28 See for the specific structure.
(1) A direction (2) IEEE 1394-6PIN-Male connector (3) Main label (4) B direction
Figure 7-28 Master-slave subtending cable
7.4 Engineering Labels for Cables
Engineering labels are affixed to both ends of the various cables to identify the physical positions of cables on different devices. Labels on the cables facilitate correct and orderly connection of cables, and easy maintenance after the installation.
There are two types of engineering labels, specialized for the power cables and signal cables respectively. The power cables include the AC power cables and DC power cables (excluding the power cable that connects the distribution box and the cabinet).
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The signal cables include external cables of alarm box, Ethernet cables, optical fibers, trunk cables and subscriber cables (excluding the antenna feeders).
Note:
In case there is special requirement from the user of the equipment on the description method of the labels, the labels should be printed accordingly. However, this must be stated in the self-check report.
7.4.1 Introduction to Labels
I. Material
Material: Polyester (PET), with UL and CSA certifications Color: chalk white Thickness: 0.09mm Ambient temperature: -29~149 degrees Celsius Laser printing or handwriting with oiliness markers
II. Type and Shape
There are two types of engineering labels for power cables and signal cables respectively.
1) Label for signal cables
The label for signal cables is L-shaped with fixed dimensions, as shown in Figure 7-29 (expressed in mm).
TO:
(1) Dividing line (2) Cut dotted line
Figure 7-29 Label for signal cables
The dividing lines on the label help to specify more clearly the position of a cable. For example, there is one between the cabinet number and the frame number and another one between the frame number and the slot number. The dividing line is 1.5mm×0.6mm in size with the color of PONTONE 656c (light blue).
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The cut dotted line helps to fold the label when affixing it to the cable, and its size is 1.0mm×2.0mm.
There is a mark “TO:” (upside down in the figure) at the lower right corner of the label. The mark is used to identify the opposite end of the cable on which the label is affixed.
2) Label for power cables
The label for power cables should be attached to the identification plate on the cable ties that are bundled to the cable. The identification plate has an embossment of 0.2mm×0.6mm around (symmetric on both sides), and the area in the middle is for affixing the label, as shown in Figure 7-30 (expressed in mm):
(1)
(2)
(3)
26.2
12.2
0.6
11
10
100
R1.0
25
1.5
0.6
TO:
(1) Cable tie (2) Label (3) Dividing line on the label
Figure 7-30 Label for power cables
7.4.2 Printing Labels
The contents can be printed or written on the labels. Printing is recommended for the sake of high efficiency and eye-pleasant layout.
I. Template for the printing
The Word-form template is available for label printout. You can download the template from http://tech-support.huawei.com/asp/comm/index.asp (path://support/ document/project management/installation and maintenance/document/others), or get the template from Huawei local office.
When using the template, you can directly modify the contents on the template, and the following should be observed:
The settings of centered characters, direction, and fonts should not be changed. When there are too many characters to be filled in, zoom out the characters, but
make sure the printouts are clear and legible.
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II. Cells merging on the template
To merge the cells, you should first recover the table structure (if gridlines are displayed, you can start from Step 3 directly).
1) Select the menu item [Edit/Select All]. 2) Select the menu item [Format/Borders and Shading/Borders]. Select Box and
click <OK>. 3) Drag the mouse to select the cells to be merged and select the menu item
[Table/Merge Cells].
If two merged cells are still not enough to accommodate the characters, use multiple lines.
III. Requirements on the printer
To print the labels, laser jet printer must be used, although there is no restriction on the model of the printer. Before printing the label, set up the page and try the printing on ordinary blank paper (both sides are blank):
1) Cover the blank paper onto the whole page of label paper, and check whether the page setup conforms to the requirement.
2) Make sure the printer properties, such as "paper size" and “direction”, have been set correctly.
3) If the warning prompt as shown in Figure 7-31 appears before printing, click <Ignore> to continue the printing.
Figure 7-31 Warning prompt before printing
If the printout confoms to the requiremnt, print it to label paper. If the printout does not conform, adjust the page setup and try the printing again, until the correct printout is produced. The method of adjusting the page setup is as follows:
1) Select the menu item [File/Page Setup]. 2) Select the Margins tab page. 3) Select Left for Gutter Position. 4) Set Header and Footer as 0, and adjust the values of Top, Bottom, Left, and
Right.
After the page setup has been made correct, save it for future use. This page setup is only necessary in the first time you use the template to print the labels.
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IV. Requirements on feeding the printer
Different from the ordinary paper, the label paper is composed of two pages. No matter what model of printer you are using, feed in the labels one after another by hand. Never use the auto-feed mode in order to avoid jamming the labels. Different models of printers may have different feeding modes, make sure to feed in the labels correctly.
V. Requirements on the printed label
Make sure the printed label satisfy the following requirements:
All the printouts must be on the label, and nothing should be printed on the bottom page of the label.
Contents in the cells should be aligned in the center. In a single-line printout, the dividing lines and the mark “TO” should not be covered by the printed characters.
When the cells are merged and the printouts are made in multiple lines, avoid covering the mark “TO” when printing the texts by using the space bar to move the printing contents to the next line.
7.4.3 Writing Labels
Use the black oiliness markers delivered together with the device to write the labels.
In special cases, black ball-pens are allowed, although not recommended. When writing with the ball-pen, take care not to leave the oil on the label, which may contaminate the label and blur the words..
Note:
The delivered marker has two nibs. Make sure to use the smaller nib to write the labels.
For the sake of easy recognition and good looking, the font in handwriting should be close to the standard typeface as much as possible. Table 7-14 shows the standard typeface.
Table 7-14 Standard typeface for handwriting
0 1 2 3 4 5 6 7 8
9 A B C D E F G H
I J K L M N O P Q
R S T U V W X Y Z
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Write the characters in proper size, and the direction is as shown in Figure 7-32:
TO:
Figure 7-32 Writing direction of the label
7.4.4 Affixing Labels
After printing or writing the label, remove the label from the bottom page and affix it to the signal cable, or the identification plate of the power cable.
I. Affixing the label to the signal cable
The steps to affix the label to the cable are shown in Figure 7-33, Figure 7-34 and Figure 7-35. The finished labels should be on the right or top of the cables, according to different cabling methods. The left part of the figures shows the method to affix the label when the cable is laid vertically, while the right part of the figures shows the method to affix the label when the cable is laid horizontally.
The label is affixed 2cm from the connector on the signal cable. In special cases, for example, to avoid cable bent or affecting other cables, other positions are allowed to affix the labels.
1) Stick the label to the proper position on the cable, fold the narrow part of the label according to the directions shown in Figure 7-33.
Stick side
Fold to right
Cable
Stick side
Fold down
Cable
Figure 7-33 Sticking the label onto proper position of the signal cable
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The lengh of the narrow part is based on an external cable diameter of 2.6mm, after this part has been stuck to the back of the label, it may not overlap the entire printed part.
2) Fold the printed part along the dotted line according to the directions shown in Figure 7-34.
Cable
Stick side
Fold up
Cable
Stick side
Fold to right
Figure 7-34 Folding up the label
3) After the printed part of the label has been folded up, the narrow part of the label should be covered completely, as shown in Figure 7-35.
TO:A03 33 33 33 33
Cable
TO:
A03 33 33 33 33
Cable
Figure 7-35 Appearance of affixed labels on signal cables
II. Affixing the label to the power cable
Remove the label from the bottom page, then affix it to the identification plate on the cable tie. The label should be stuck to the rectangular flute, and should be stuck to only one side of the identification plate. Make sure to affix the labels on the same side of the identification plates. The cable ties are bundled at 2cm from the connectors, and other positions are allowed in special circumstances.
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Cable ties should be bundled on both ends of a cable. After the bundling, the finished identification plate should be on top of the cable in horizontal cabling, or on the right side of the cable in vertical cabling. Make sure the label is facing out, as shown in Figure 7-36.
Cable
TO:B03 -48V2
Cable
TO:
B03 -48V2
Figure 7-36 Appearance of affixed labels on power cables
7.4.5 Information Carried on Labels
I. For signal cables
The two sides of the label affixed on the signal cable carry information about the location of the ports connected to both ends of the cable, as shown in Figure 7-37.
The information is given like this:
Area 1 contains the location information of local end of the cable. Area 2 (with the mark "TO:") contains the location information of the opposite end
of the cable. Area 3 has been folded up inside the label.
Area 3Area 1
Area 2 TO:
Figure 7-37 Printed parts on the label for signal cables
Seen from the cabling end of the equipment, the text part of the label is on the right side of the cable. The side with “TO:” that is facing outside carries the location information of
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the opposite end; and the other side carries the location information of the local end. Therefore, the information in Area 1 at one end is the same as the information in Area 2 at the other end of the cable, and vice versa. In other words, the local information at one end is called the opposite information at the other end.
II. For power cables
Labels for power cables are only affixed on one side of the identification plates. On the labels, there is information (the part after the mark “TO:”) about the location of the device on the other end of the cable, like the location of control cabinet, distribution box or power socket.
7.4.6 Remarks
When printing/writing and affixing labels, pay attention to keep the labels clean. Since the label paper is made of moistureproof and waterproof material, ink-jet
printers and ink pens are forbidden for printing and writing labels. Labels should be affixed with good order in alignment. Cable ties should be bundled in the same position of power cables, with
identification plates on the same side. The positions of “up”, “down”, “right” or “left” are all based on the viewpoint of the
engineering person who is working on the label.
7.4.7 Engineering Labels for External Cables of Alarm Box
The external cables of alarm box are connected with the first subscriber cabinet of each row (used for power distribution). Labels pasted on the first cabinet of each row should indicate which equipment is using the access terminal. Labels are not needed on the equipment side unless there is special requirement. In this case, only Area 2 of the label should be filled in.
Table 7-15 shows the information on the labels of alarm box external cables.
Table 7-15 Information on labels affixed to the external cables of alarm box
Content Meaning Example
MN MN: serial number of the cabinet in the machine room
M: The cabinets going from front to back (in a row) in the machine room are numbered from A to Z.
N: The cabinets going from left to right (in a column) are numbered from 01 to 99.
For example, A01 is the cabinet in Row A and Column 01.
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Note:
Generally, the above numbering method is enough to identify the position of a specific cabinet. If cabinets are installed in a back-to-back manner, the facing direction of the cabinet must be specified, the numbering method like MNO is used. Here, “O” means the direction of the cabinet, which can be “A” or “B”. On the cable labels described below, this numbering method is used, unless otherwise stated.
The label on the alarm cable carries simple information, and only part of the text area needs to be filled in. It is recommended to keep the whole length of the label instead of cutting out the blank area.
Figure 7-38 shows a label on the alarm cable, on which “A01” indicates that the alarm cable is connected from the first cabinet to the cabinet on Row A, Column 01 in the machine room.
Figure 7-38 Example of the label on the alarm cable
7.4.8 Engineering Labels for Ethernet Cables
These labels are affixed to the Ethernet cables that connect the boards in the frames, or on the cables that connect HUBs and servers or agents of the Value Added Service (VAS) products.
I. Meaning of the Label
Table 7-16 shows the information on both sides of the labels affixed to the Ethernet cables that connect the boards in the frames.
Table 7-16 Information on labels affixed to the Ethernet cables
Content Meaning Example
MN: Cabinet number For example, A01
B: Frame number Numbered in top-down order with two digits, for example, 01MN-B-C-D C: Physical slot number
Numbered in top-down and left-right order with two digits, for example, 01
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Content Meaning Example
MN-B-C-D D: Ethernet port number
Numbered in top-down and left-right order with two digits, for example, 01
MN: Cabinet number For example, B02
MN-Z Z: Location number
Valid location number of the terminal device onsite. If the cable is connected to a router in a cabinet, the serial numbers of the cabinet, the frame and the Ethernet interface of the router should be specified, for example, B02-03-12. If the cable is connected to the Network Management Station (NMS), specific location of the NMS should be given.
In VAS products, the information provided on the labels is different, subject to different devices that the Ethernet cables are connecting.
Labels for the Ethernet cable that connects the HUB and the server 1) The label on the HUB end should indicate the number of the frame and cabinet
where the HUB locates, and the serial number on the HUB. 2) The label on the server end should indicate the number of the frame and cabinet
where the server locates. In case it is a stand-alone server, specific position of the server should be provided.
Labels for the Ethernet cable that connects the HUB and the agent 1) The label on the agent end should contain the serial number of the Ethernet port.
The definitions of the cabinet number and frame number are the same as those described in Table 7-16 above.
2) If it is a stand-alone HUB without any cabinet or frame, the label should contain specific location information that identifies the HUB.
3) The serial number on the HUB, the network port number of the agent and the location of stand-alone server should be specified according to actual connection.
II. Example of the Label
Figure 7-39 shows the label on the Etherent cable:
Figure 7-39 Example of the label on the Ethernet cable
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“A01-03-10-05” indicates that on the local end of the Ethernet cable is connected with Ethernet Port 05, Slot 10, Frame 03 of the cabinet on Row A, Column 01 in the machine room.
“B02-03-12” indicates that the opposite end of the Ethernet cable is connected with Ethernet Port 12, Frame 03 of the cabinet on Row B, Column 02 in the machine room.
7.4.9 Engineering Labels for Optical Fibers
These labels are affixed to the optical fibers that connect the optical interfaces on the boards in a frame, or on the device boxes. There are two types of labels for optical fibers: one is for the fiber that connects the optical interfaces on two devices, the other is for the fiber that connects the device and the Optical Distribution Frame (ODF).
I. Labels for the Fiber that Connects Two Devices
1) Meaning of the label
Table 7-17 shows the information on both sides of the labels affixed to the optical fiber that connects two devices.
Table 7-17 Information on labels affixed to the fiber between two devices
Content Meaning Example
MN: cabinet number For example, A01
B: frame number Numbered in top-down order with two digits, for example, 01
C: physical slot number Numbered in top-down and left-right order with two digits, for example, 01
D: optical interface number Numbered in top-down and left-right order with two digits, for example, 05
MN-B-C-D-R/T
R: optical receiving interface
T: optical transmitting interface
MN: cabinet number
B: frame number
C: physical slot number
D: optical interface number
The meanings are the same as above. When the local device and the opposite end device are not in the same machine room, MN can be the name of the machine room. MN-B-C-D-R/T
R: optical receiving interface
T: optical transmitting interface
2) Example of the label
Figure 7-40 shows the label on the optical fiber between two devices:
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Figure 7-40 Example of the label on the optical fiber between two devices
“A01-01-05-05-R” indicates that the local end of the optical fiber is connected with Optical Receiving Interface 05 on Slot 5, Frame 01 in the cabinet on Row A, Column 01 in the machine room.
“G01-01-01-01-T” indicates that the opposite end of the optical fiber is connected with Optical Transmitting Interface 01 on Slot 01, Frame 01 in the cabinet on Row G, Column 01 in the machine room
II. Labels for the Fiber that Connects the Device and the ODF
1) Meaning of the label
Table 7-18 shows the information on both sides of the labels affixed to the optical fiber that connects the device and the ODF.
Table 7-18 Information on labels affixed to the fiber between the device and the ODF
Content Meaning Example
MN: cabinet number For example, A01
B: frame number Numbered in bottom-up order with two digits, for example, 01
C: physical slot number Numbered in top-down and left-right order with two digits, for example, 01.
D: optical interface number Numbered in top-down and left-right order with two digits, for example, 05
MN-B-C-D-R/T
R: optical receiving interface
T: optical transmitting interface
MN: row number and column number of ODF
Numbered in the same rule as that of the cabinets, for example, G01 is the ODF of Row G and Column 01
B: row number of the terminal device
ODF-MN-B-C-R/T
C: column number of the terminal device
Range from 01 to 99, for example, 01-01
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Content Meaning Example
ODF-MN-B-C-R/T
R: optical receiving interface
T: optical transmitting interface
2) Example of the label
Figure 7-41 shows the label on the optical fiber between the device and the ODF.
Figure 7-41 Example of the label on the optical fiber between the device and the ODF
“ODF-G01-01-01-R” indicates that the local end of the optical fiber is connected with the optical receiving terminal on Row 01, Column 01 of the ODF in Row G Column 01 in the machine room.
“A01-01-05-05-R” indicates that the opposite end of the optical fiber is connected with Optical Receiving Interface 5 on Slot 05, frame 01 in the cabinet on Row A, Column 01 in the machine room.
7.4.10 Engineering Labels for Trunk Cables
There are two types of labels for trunk cables. One type is used for the trunk cable connecting two devices, such as the trunk board and built-in transmission unit, or two trunk boards. The other type is used for connecting the device and the Digital Distribution Frame (DDF).
The trunk cables include 75Ω/120Ω E1 cables, 120Ω T1 cables, 34M, 45M, 140M, 155M cables and 120-to-75Ω trunk cables, as well as clock cables.
I. Labels for the Trunk Cable that Connects Two Devices
1) Meaning of the label
Table 7-19 shows the information on both sides of the labels affixed to the trunk cable that connects two devices.
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Table 7-19 Information on labels affixed to the trunk cable between two devices
Content Meaning Example
MN: cabinet number For example, A01
B: frame number Numbered in bottom-up order with two digits, for example, 01
C: physical slot number Numbered in top-down and left-right order with two digits, for example, 01
D: cable number Numbered in top-down and left-right order with two digits, for example, 12
MN-B-C-D-R/T
R: optical receiving interface
T: optical transmitting interface
MN-B-C-D-R/T Same as above Same as above
2) Example of the label
Figure 7-42 shows the label on the trunk cable between two devices:
Figure 7-42 Example of the label on the trunk cable between two devices
“G01-01-05-12-T” indicates that the local end of the trunk cable is connected with the transmitting terminal of Trunk Cable 12 on Slot 05, Frame 01 in the cabinet on Row G, Column 01 in the machine room.
“D02-01-01-10-R” indicates that the opposite end of the trunk cable is connected with the receiving terminal of Trunk Cable 10 on Slot 01, Frame 01 in cabinet on Row D, Column 02 in the machine room
II. Labels for the Trunk Cable that Connects the Device and the DDF
1) Meaning of the label
Table 7-20 shows the information on both sides of the labels affixed to the trunk cable that connects the device and the DDF.
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Table 7-20 Information on labels affixed to the trunk cable between the device and the DDF
Content Meaning Example
MN: cabinet number For example, A01
B: frame number Numbered in bottom-up order with two digits, for example, 01
C: physical slot number Numbered in top-down and left-right order with two digits, for example, 01
D: cable number Numbered in top-down and left-right order with two digits, for example, 05
MN-B-C-D-R/T
R: optical receiving interface
T: optical transmitting interface
MN: row number and column number of the DDF
Numbered in the same rule as that of the cabinets, for example, G01 is the DDF in Row G and Column 01.
B: row number of the terminal
C: column number of the terminal
Range from 01 to 99, foe example: 01-01. DDF-MN-B-C-D/R/T
D: direction A or B
R: optical receiving interface
T: optical transmitting interface
There is such a mark in DDF:
A: indicating the DDF terminals are connected to the optical network equipment
B: indicating the DDF terminals are connected to the switching equipment
2) Example of the label
Figure 7-43 shows the label on the trunk cable between the device and the DDF:
Figure 7-43 Example of the label on the trunk cable between the device and the DDF
“A01-03-01-01-R” indicates that local end of the trunk cable is connected with the receiving terminal of Trunk Cable 01 in Slot 01, Frame 03 of the cabinet on Row A, Column 01 in the machine room.
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“DDF-G01-01-01-AR” indicates that the opposite end of the trunk cable is connected with the receiving terminal of Direction A (connected to optical network equipment) on Row 01, Column 01 of the DDF on Row G and Column 01 in the machine room.
7.4.11 Engineering Labels for Subscriber Cables
The labels are affixed to both ends of the subscriber cables to identify the position of the cables on the device side and the Main Distribution Frame (MDF) side.
I. Meaning of the label
Table 7-21 shows the information on both sides of the labels affixed to the subscriber cables.
Table 7-21 Information on labels affixed to the subscriber cables
Content Meaning Example
MN: cabinet number For example, A01
B: frame number Numbered in bottom-up order with two digits, for example, 03
C: physical slot number Numbered in top-bottom and left-right order in two digits, for example, 01
MN-B-C-D
D: cable number Numbered in top-bottom and left-right order with two digits, for example, 01
MN: row number and column number of MDF
Numbered in the same rule as that of the cabinets, for example, G01 means the MDF of Row G and Column 01
B: row number of the terminal
MDF-MN-B-C
C: column number of the terminal Range from 01 to 99, for example: 01-01
II. Example of the label
Figure 7-44 shows the label on the subscriber cable.
TO:
Figure 7-44 Example of the label on the subscriber cable
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“A01-03-01-01” indicates that local end of the subscriber cable is connected with Terminal 01 on Slot 1, Frame 03 of the cabinet on Row A, Column 01 in the machine room.
“MDF-G01-01-01” indicates that the opposite end of the label is connected with the terminal on Row 01, Column 01 of the MDF on Row G, Column 01 in the machine room.
7.4.12 Engineering Labels for Power Cables
I. Labels for DC Power Cables
The labels are affixed to the DC cables that provide power for the cabinets, and the protection grounding cables, including the -48V, PGND, and BGND cables. The labels for DC power cables are affixed to one side of the identification plates on cable ties.
1) Meaning of the label
Table 7-22 shows the information carried on the labels for the DC power cables:
Table 7-22 Information on labels affixed to the DC power cables
Content Meaning
MN(BC)--48V1
MN(BC)--48V2
MN(BC)-BGND
MN(BC)-PGND
MN(BC): BC is written right under MN.
On the loaded cabinet side, only MN is used to identify the cabinet.
On the power cabinet side, MN identifies the row and column number of the power distribution equipment like the control cabinet and distribution box, BC identifies the row and column number of the -48V connecter (if there is no row number or column number, or the connecter can be identified without them, BC can be omitted). BGND and PGND have no row and column number for identification.
The label only carries location information about the opposite equipment, the control cabinet or the distribution box, while information of the local end is not necessary. Table 7-22 lists the information of two -48V power supplies on the label. The information for other DC voltages (such as 24V, 60V) should be given in similar methods.
2) Example of the label
Make sure that labels are affixed in correction direction. That is, after the cable ties are bundled onto the cable, the identification plates with the labels should face up, and the text on the labels in the same cabinet should be in the same direction, as shown in Figure 7-45.
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(1) (2)
TO: A01 -48V2 B08
TO: B03 -48V2
Figure 7-45 Example of the labels on the DC power cable
In Figure 7-45, (1) indicates the label on the loaded cabinet side, which carries the information about the position of the cable on the power distribution box. (2) indicates the label on the distribution box side, which carries the information about the position of the cable on the loaded cabinet side.
On the loaded cabinet side, the label marked with “A01/B08--48V2” on the cable indicates that the cable is -48V2 DC supply, which is from the 8th connecter on the second row of -48V bus bar in the cabinet on Row A, and Column 1 in the machine room.
On the distribution box side, the label marked with “B03--48V2” indicates that the cable is -48V2 DC supply, which is from the loaded cabinet on Row B, Column 03 in the machine room.
Note:
In the power distribution box (or the first power cabinet of a row in the transmission machine room), every terminal block on the -48V connector bar has a numeric identification. For example, in the above label of “A01/B08--48V2”, “08” (or sometimes “8”) is the numeric identification of the terminal block.
PGND and BGND are two copper bars, on which the terminal blocks are short-circuited, therefore which terminal is connected makes no difference. It is only necessary to give the row and column of the power distribution box, instead of giving the specific serial number of the terminal block on the copper bar. For example, if the label on the loaded cabinet side is “A01-BGND”, it means that the power cable is a BGND that connects BGND copper bar in the power distribution box on Row A, Column 01 in the machine room. Information on the labels for PGND cables should be given in the similar way.
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II. Labels for AC Power Cables
The labels are affixed to the AC cables that provide power for the cabinets, and the protection grounding cables, including the 110V/220V AC, PGND, and BGND cables. The 110V/220V AC cables and related PGND and BGND cables are covered with insulating sheath, so the labels only need to contain the words of “AC" and the cabinet number. The labels for AC power cables are affixed to one side of the identification plates on cable ties.
1) Meaning of the label
Table 7-23 shows the information carried on the labels for the AC power cables.
Table 7-23 Information on labels affixed to the AC power cables
Content Meaning
MN-AC
MN: serial number of the cabinet or the socket where the power is led in
The location of the socket is marked out according to onsite situation. If the sockets can be identified by row number and column number, they can be numbered following the same rule for the cabinets. If the sockets cannot be identified by rows and columns, specify the detailed locations to avoid confusing with other sockets.
The label only carries location information about the opposite equipment and the power socket, while information of the local end is not necessary.
2) Example of the label
Make sure that labels are affixed in correction direction. That is, after the cable ties are bundled onto the cable, the identification plates with the labels should face up, and the text on the labels in the same cabinet should be in the same direction, as shown in Figure 7-46:
TO: A01 AC
TO: B01 AC
(1) (2)
Figure 7-46 Example of the labels on the AC power cable
In Figure 7-46, (1) indicates the label on the loaded cabinet side, which carries the information about the position of the cable on the power socket. (2) indicates the label on the power socket side, which carries the information about the position of the cable on the loaded cabinet side.
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On the loaded cabinet side, the label marked with “A01-AC” indicates that the power cable is connected to the socket of Row A and Column 01 in the machine room.
On the power socket side, the label marked with “B01-AC” indicates that the power cable is connected to the loaded cabinet of Row B, Column 01 in the machine room.