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BBU3900
V200
Hardware Description
Issue 11
Date 2010-11-10
HUAWEI TECHNOLOGIES CO., LTD.
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Copyright Huawei Technologies Co., Ltd. 2010. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior written
consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei and the
customer. All or part of the products, services and features described in this document may not be within the
purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information,and recommendations in this document are provided "AS IS" without warranties, guarantees or representations
of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute the warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address: Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website: http://www.huawei.com
Email: [email protected]
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About This Document
Introduction
This document describes the BBU3900 hardware, such as boards, module, ports, cables, andconnectors, and the functions of the hardware.
Product VersionThe following table lists the product versions related to this document.
Product Name Product Version
BBU3900 V200R010
V200R011
V200R012
Intended AudienceThis document is intended for:
l NodeB installers
l Field engineersl System engineers
Organization1 Changes in the BBU3900 Hardware Description
This describes the changes in theBBU3900 Hardware Description
2 DBS3900 Monitoring System
The DBS3900 monitoring system enables monitoring of all boards and components in thecabinet. If any board or component is faulty, an alarm is automatically reported. The UPEU and
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UEIU in the BBU or the RRU collects monitoring signals from boards and components to
achieve environment monitoring of the DBS3900.
3 BBU3900 Equipment
This describes the BBU3900 equipment. It is a baseband unit that implements communicationbetween the NodeB and the RNC.
4 BBU3900 Cables
This describes the BBU3900 cables. The cables are the PGND cable, power cable,E1 cable, E1
surge protection transfer cable, FE cable, FE surge protection transfer cable, Iub optical cable,
monitoring signal cable between the APMI and the BBU, CPRI optical cable, alarm cable,
EMUA signal cable, monitoring signal cable between the CMUA and the BBU, and GPS clock
signal cable.
5 Auxiliary Devices of the BBU3900
This describes the auxiliary devices of the BBU3900. The devices consist of the SLPU, OMB
Cabinet and WGRU.
Conventions
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol Description
Indicates a hazard with a high level of risk, which if not
avoided,will result in death or serious injury.
Indicates a hazard with a medium or low level of risk, which
if not avoided, could result in minor or moderate injury.
Indicates a potentially hazardous situation, which if not
avoided,could result in equipment damage, data loss,
performance degradation, or unexpected results.
Indicates a tip that may help you solve a problem or save
time.
Provides additional information to emphasize or supplement
important points of the main text.
General Conventions
The general conventions that may be found in this document are defined as follows.
Convention Description
Times New Roman Normal paragraphs are in Times New Roman.
About This Document
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Convention Description
Boldface Names of files, directories, folders, and users are in
boldface. For example, log in as userroot.
Italic Book titles are in italics.
Courier New Examples of information displayed on the screen are in
Courier New.
Command Conventions
The command conventions that may be found in this document are defined as follows.
Convention Description
Boldface The keywords of a command line are in boldface.
Italic Command arguments are in italics.
[ ] Items (keywords or arguments) in brackets [ ] are optional.
{ x | y | ... } Optional items are grouped in braces and separated by
vertical bars. One item is selected.
[ x | y | ... ] Optional items are grouped in brackets and separated by
vertical bars. One item is selected or no item is selected.
{ x | y | ... }*
Optional items are grouped in braces and separated byvertical bars. A minimum of one item or a maximum of all
items can be selected.
[ x | y | ... ]* Optional items are grouped in brackets and separated by
vertical bars. Several items or no item can be selected.
GUI Conventions
The GUI conventions that may be found in this document are defined as follows.
Convention Description
Boldface Buttons, menus, parameters, tabs, window, and dialog titles
are in boldface. For example, clickOK.
> Multi-level menus are in boldface and separated by the ">"
signs. For example, choose File > Create > Folder.
Keyboard Operations
The keyboard operations that may be found in this document are defined as follows.
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Format Description
Key Press the key. For example, press Enter and press Tab.
Key 1+Key 2 Press the keys concurrently. For example, pressing Ctrl+Alt
+A means the three keys should be pressed concurrently.
Key 1, Key 2 Press the keys in turn. For example, pressing Alt, A means
the two keys should be pressed in turn.
Mouse Operations
The mouse operations that may be found in this document are defined as follows.
Action Description
Click Select and release the primary mouse button without moving
the pointer.
Double-click Press the primary mouse button twice continuously and
quickly without moving the pointer.
Drag Press and hold the primary mouse button and move the
pointer to a certain position.
About This Document
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Contents
About This Document...................................................................................................................iii
1 Changes in the BBU3900 Hardware Description.................................................................1-1
2 DBS3900 Monitoring System...................................................................................................2-1
2.1 Customized Alarm Input.................................................................................................................................2-2
2.2 BBU Monitoring Port......................................................................................................................................2-4
2.3 Monitoring Principles of the Cabinets............................................................................................................2-5
3 BBU3900 Equipment..................................................................................................................3-1
3.1 Exterior of the BBU3900................................................................................................................................3-2
3.2 BBU3900 Components...................................................................................................................................3-2
3.2.1 Board Configuration of the BBU3900...................................................................................................3-3
3.2.2 WMPT....................................................................................................................................................3-5
3.2.3 WBBP...................................................................................................................................................3-10
3.2.4 FAN......................................................................................................................................................3-13
3.2.5 UPEU...................................................................................................................................................3-14
3.2.6 UEIU....................................................................................................................................................3-16
3.2.7 UTRP....................................................................................................................................................3-17
3.2.8 USCU...................................................................................................................................................3-23
4 BBU3900 Cables..........................................................................................................................4-1
4.1 List of BBU3900 Cables.................................................................................................................................4-3
4.2 PGND Cable....................................................................................................................................................4-5
4.3 BBU Power Cable...........................................................................................................................................4-5
4.4 BBU Power cable(OMB)................................................................................................................................4-74.5 E1/T1 Cable.....................................................................................................................................................4-8
4.6 E1/T1 Surge Protection Transfer Cable........................................................................................................4-10
4.7 FE/GE Cable.................................................................................................................................................4-12
4.8 FE/GE Surge Protection Transfer Cable.......................................................................................................4-13
4.9 FE/GE Optical Cable.....................................................................................................................................4-13
4.10 CPRI Optical Cable.....................................................................................................................................4-14
4.11 Monitoring Signal Cable Between the APMI and the BBU.......................................................................4-17
4.12 Monitoring Signal Cable for the Transmission Cabinet..............................................................................4-18
4.13 Monitoring Signal Cable Between the HEUA and the BBU......................................................................4-19
4.14 EMUA Monitoring Signal Cable................................................................................................................4-20
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4.15 Monitoring Signal Cable Between the CMUA and the BBU.....................................................................4-21
4.16 BBU Alarm Cable.......................................................................................................................................4-22
4.17 GPS Clock Signal Cable.............................................................................................................................4-24
5 Auxiliary Devices of the BBU3900..........................................................................................5-15.1 EMUA.............................................................................................................................................................5-3
5.2 10 U Indoor Centralized Rack.........................................................................................................................5-3
5.3 OMB................................................................................................................................................................5-4
5.4 IMB03.............................................................................................................................................................5-6
5.5 DCDU-03........................................................................................................................................................5-9
5.6 AC/DC Power Equipment.............................................................................................................................5-11
5.7 WGRU...........................................................................................................................................................5-15
5.8 SLPU.............................................................................................................................................................5-18
5.8.1 Exterior of SLPU..................................................................................................................................5-19
5.8.2 Configuration of the SLPU..................................................................................................................5-19
5.8.3 UELP....................................................................................................................................................5-20
5.8.4 UFLP....................................................................................................................................................5-22
5.8.5 USLP2..................................................................................................................................................5-23
Contents
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Figures
Figure 2-1 Customized alarms collected by the UPEU or UEIU.........................................................................2-3
Figure 2-2 Customized alarms collected by the EMUA (1).................................................................................2-4
Figure 2-3 Customized alarms collected by the EMUA (2).................................................................................2-4
Figure 2-4 Slot assignment for the UPEU and UEIU.......................................................................................... 2-5
Figure 2-5 Monitoring principles of the DBS3900 when the BBU is installed in the APM30............................2-6
Figure 2-6 Monitoring principles of the DBS3900 when the BBU is installed in the APM30H (Ver.A)...........2-7
Figure 2-7 Monitoring principles of the DBS3900 when the BBU is installed in the APM30H (Ver.B)........... 2-7
Figure 2-8 Monitoring principles of the DBS3900 when the BBU is installed in the APM30H (Ver.B)........... 2-8
Figure 2-9 Monitoring principles of the DBS3900 when the RRU is powered and monitored by the APM30H
(Ver.B)...................................................................................................................................................................2-8
Figure 2-10Monitoring principles of the DBS3900 when the BBU is installed in the OMB.............................2-8
Figure 2-11Monitoring principles of the DBS3900 in the BBU+RRU+ICR (110V/220V) scenario.................2-9
Figure 2-12Monitoring principles of the DBS3900 in the BBU+RRU+IMB03 (110V/220V) scenario............2-9
Figure 2-13Monitoring principles of the DBS3900 when the BBU is installed in the TMC or TMC11H.........2-9
Figure 2-14Monitoring principles of the DBS3900 when the BBU is installed in the OMB...........................2-10
Figure 2-15 Monitoring principles of the DBS3900 when the BBU is installed in the APM30H (Ver.B) in the +24
DC power supply scenario........................................................................................... .......................................2-10
Figure 2-16Monitoring principles of the DBS3900 in the BBU+RRU+ICR (+24 V DC) scenario.................2-10
Figure 3-1 BBU3900............................................................................................................................................3-2
Figure 3-2 The position of the ESN..................................................................................................................... 3-2
Figure 3-3 Slots of the BBU3900.........................................................................................................................3-3
Figure 3-4 BBU3900 in typical configuration..................................................................................................... 3-5
Figure 3-5 Panel of the WMPT............................................................................................................................3-6
Figure 3-6 LEDs besides the three ports on the WMPT...................................................................................... 3-7Figure 3-7 DIP switches on the WMPT...............................................................................................................3-9
Figure 3-8 Panel of the WBBPa.........................................................................................................................3-10
Figure 3-9 Panel of the WBBPb.........................................................................................................................3-10
Figure 3-10 Panel of the WBBPd.......................................................................................................................3-10
Figure 3-11 Panel of the FAN unit.....................................................................................................................3-13
Figure 3-12 Panel of the UPEUA.......................................................................................................................3-14
Figure 3-13 Panel of the UPEUB.......................................................................................................................3-15
Figure 3-14 Slots in the BBU.............................................................................................................................3-15
Figure 3-15 Panel of the UEIU...........................................................................................................................3-16
Figure 3-16 Panel of the UTRP2 supporting two optical ports..........................................................................3-18
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Figure 3-17 Panel of the UTRP3 and UTRP4 supporting eight E1s/T1s...........................................................3-18
Figure 3-18 Panel of the UTRP6 supporting one STM-1 .................................................................................3-18
Figure 3-19 Panel of the UTRP supporting four electrical ports........................................................................3-18
Figure 3-20 DIP switch on the UTRP3 or UTRP4.............................................................................................3-21
Figure 3-21 Panel of the USCUb1 (0.5 U).........................................................................................................3-23
Figure 3-22 Panel of the USCUb2 (1 U)............................................................................................................3-23
Figure 4-1 PGND cable........................................................................................................................................4-5
Figure 4-2 BBU power cable (1)..........................................................................................................................4-6
Figure 4-3 BBU power cable (2)..........................................................................................................................4-6
Figure 4-4 Appearance of power cable(AC OMB)............................................................................... ...............4-7
Figure 4-5 Appearance of power cable(DC OMB)............................................................................... ...............4-8
Figure 4-6 E1/T1 cable............................................................................................................... ..........................4-8
Figure 4-7 E1/T1 surge protection transfer cable...............................................................................................4-11
Figure 4-8 FE/GE cable......................................................................................................................................4-12
Figure 4-9 FE/GE surge protection transfer cable..............................................................................................4-13
Figure 4-10 FE/GE optical cable (FC and LC connectors)................................................................................4-14
Figure 4-11 FE/GE optical cable (SC and LC connectors)................................................................................4-14
Figure 4-12 FE/GE optical cable (LC and LC connectors)................................................................................4-14
Figure 4-13Multi-mode optical cable ...............................................................................................................4-15
Figure 4-14 The connections of the multi-mode CPRI optical fiber..................................................................4-15
Figure 4-15 Single-mode optical cable..............................................................................................................4-16
Figure 4-16 The connections of the single-mode CPRI optical fiber.................................................................4-16
Figure 4-17Monitoring signal cable between the APMI and the BBU.............................................................4-18Figure 4-18Monitoring signal cable for the transmission cabinet.....................................................................4-19
Figure 4-19Monitoring signal cable between the HEUA and the BBU............................................................4-20
Figure 4-20 EMUA monitoring signal cable......................................................................................................4-21
Figure 4-21Monitoring signal cable between the CMUA and the BBU...........................................................4-22
Figure 4-22 BBU alarm cable............................................................................................................................4-23
Figure 4-23 GPS clock signal cable...................................................................................................................4-24
Figure 5-1 10 U indoor centralized rack...............................................................................................................5-3
Figure 5-2 OMB cabinet.......................................................................................................................................5-5
Figure 5-3 IMB03.................................................................................................................................................5-6
Figure 5-4 DC IMB03..........................................................................................................................................5-7
Figure 5-5 AC IMB03..........................................................................................................................................5-8
Figure 5-6 DCDU-03............................................................................................................................................5-9
Figure 5-7 Ports on the panel of the DCDU-03..................................................................................................5-10
Figure 5-8 AC/DC power equipment.................................................................................................................5-11
Figure 5-9 DIP switches on the PMU................................................................................................................5-14
Figure 5-10 Exterior of the WGRU....................................................................................................................5-15
Figure 5-11WGRU installed in the WGRU box...............................................................................................5-16
Figure 5-12 Front panel of the WGRU..............................................................................................................5-16
Figure 5-13 Rear panel of the WGRU box.........................................................................................................5-17
Figures
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Figure 5-14 SLPU..............................................................................................................................................5-19
Figure 5-15 Slots of the SLPU...........................................................................................................................5-19
Figure 5-16 UELP panel.....................................................................................................................................5-20
Figure 5-17 DIP switch on the UELP................................................................................................................5-21
Figure 5-18 Panel of the UFLP..........................................................................................................................5-22
Figure 5-19 Panel of the USLP2........................................................................................................................5-23
Figure 5-20 Mapping relationship between the pins in the input and output ports on the USLP2....................5-23
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Tables
Table 2-1 Configurations of monitoring boards in the DBS3900........................................................................2-2
Table 2-2 Relationship between the IN0 to IN3 ports on the USLP2 and the number of customized alarms
...............................................................................................................................................................................2-3
Table 2-3 Ports on the UPEU and UEIU..............................................................................................................2-5
Table 3-1 Board configuration of the BBU3900..................................................................................................3-4Table 3-2 LEDs on the WMPT.............................................................................................................................3-6
Table 3-3 LEDs beside the three ports.................................................................................................................3-7
Table 3-4 Ports on the WMPT..............................................................................................................................3-8
Table 3-5 Settings of SW1....................................................................................................................................3-9
Table 3-6 Settings of SW1....................................................................................................................................3-9
Table 3-7 Specifications of the WBBP...............................................................................................................3-11
Table 3-8 LEDs on the WBBP and their status..................................................................................................3-11
Table 3-9 LEDs indicating the status of the SFP links.......................................................................................3-12
Table 3-10 Ports on the panels of the WBBPa and WBBPb..............................................................................3-12
Table 3-11 Ports on the WBBPd........................................................................................................................3-13
Table 3-12 LED on the FAN unit and its status.................................................................................................3-14
Table 3-13 LED on the UPEU and its status......................................................................................................3-15
Table 3-14 Ports on the panel of the UPEU.......................................................................................................3-16
Table 3-15 Ports on the panel of the UEIU........................................................................................................3-17
Table 3-16 Specifications of the UTRP..............................................................................................................3-17
Table 3-17 LEDs on the panel of the UTRP......................................................................................................3-19
Table 3-18 LEDs on the Ethernet ports of the UTRP2 and UTRP9...................................................................3-20
Table 3-19 Ports of the UTRP2 supporting two optical ports............................................................................3-20
Table 3-20 Ports on the panel of the UTRP3 and UTRP4 supporting eight E1s/T1s........................................3-21
Table 3-21 Port of the UTRP6 supporting one STM-1......................................................................................3-21
Table 3-22 Ports of the UTRP9 supporting four electrical ports........................................................................3-21
Table 3-23 DIP switch SW1 on the UTRP.........................................................................................................3-22
Table 3-24 DIP switch SW2 on the UTRP.........................................................................................................3-22
Table 3-25 DIP switch SW3 on the UTRP.........................................................................................................3-22
Table 3-26 LEDs on the USCU..........................................................................................................................3-24
Table 3-27 LEDs on the TOD port.....................................................................................................................3-25
Table 3-28 Ports on the USCU...........................................................................................................................3-25
Table 4-1 List of BBU3900 Cables......................................................................................................................4-3
Table 4-2 Pin assignment for the wires of the -48 V power cable.......................................................................4-6
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Table 4-3 Pin assignment for the wires of the +24 V power cable......................................................................4-7
Table 4-4 Connectors of the 75-ohm E1 coaxial cable.........................................................................................4-8
Table 4-5 Pin assignment for the wires of the 75-ohm E1 coaxial cable.............................................................4-9
Table 4-6 Pin assignment for the wires of the 120-ohm E1 twisted pair cable..................................................4-10
Table 4-7 Pin assignment for the wires of the E1/T1 surge protection transfer cable........................................4-11
Table 4-8 Pin assignment for the wires of the FE/GE cable.............................................................................. 4-12
Table 4-9 Pin assignment for the wires of the FE/GE surge protection transfer cable...................................... 4-13
Table 4-10 Labels and recommended connections for the branch cables of the multi-mode optical cable between
the BBU and RRU...............................................................................................................................................4-17
Table 4-11 Labels and recommended connections for the branch cables of the multi-mode optical cable between
RRUs...................................................................................................................................................................4-17
Table 4-12 Labels and recommended connections for the branch cables of the single-mode optical cable and
recommended connections..................................................................................................................................4-17
Table 4-13 Pin assignment for the wires of the monitoring signal cable between the APMI and the BBU......4-18
Table 4-14 Connections of the monitoring signal cable for the transmission cabinet........................................4-19
Table 4-15 Pin assignment for the wires of the monitoring signal cable between the HEUA and the BBU
.............................................................................................................................................................................4-20
Table 4-16 Pin assignment for the wires of the EMUA monitoring signal cable.............................................. 4-21
Table 4-17 Pin assignment for the wires of the monitoring signal cable between the CMUA and the BBU
.............................................................................................................................................................................4-22
Table 4-18 Pin assignment for the wires of the BBU alarm cable.....................................................................4-23
Table 5-1 Specifications for the 10 U indoor centralized rack.............................................................................5-4
Table 5-2 Dimensions of the OMB cabinet..........................................................................................................5-5
Table 5-3 Specifications of the IMB03................................................................................................................5-8
Table 5-4 DC power distribution functions of the DCDU-03..............................................................................5-9
Table 5-5 Ports on the panel of the DCDU-03...................................................................................................5-11
Table 5-6 Panel of the AC/DC power equipment...............................................................................................5-12
Table 5-7 LEDs on the panel of the rectifier......................................................................................................5-12
Table 5-8 LEDs on the panel of the monitoring module....................................................................................5-13
Table 5-9 Settings of the DIP switches on the PMU..........................................................................................5-14
Table 5-10 Indicators on the front panel of the WGRU.....................................................................................5-17
Table 5-11 Ports on the front panel of the WGRU.............................................................................................5-18
Table 5-12 Ports on the rear panel of the WGRU.............................................................................................. 5-18
Table 5-13 Configuration principles of the SLPU (1)........................................................................................5-20
Table 5-14 Configuration principles of the SLPU (2)........................................................................................5-20
Table 5-15 Ports of the UELP............................................................................................................................ 5-21
Table 5-16 DIP switch on the UELP..................................................................................................................5-22
Table 5-17 Ports on the panel of the UFLP........................................................................................................5-22
Table 5-18 Ports on the panel of the USLP2......................................................................................................5-23
Table 5-19 Mapping relationship between the pins in the input and output ports on the USLP2......................5-24
Tables
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1 Changes in the BBU3900 HardwareDescription
This describes the changes in theBBU3900 Hardware Description
11 (2010-11-10)
This is the tenth commercial release.
Compared with issue 10 (2010-09-10), no information is added.
Compared with issue 10 (2010-09-10), the following part is modified:
Part Modification
2.3 Monitoring Principles of the Cabinets The monitoring principle of the OMB is
modified.
Compared with issue 10 (2010-09-10), no information is deleted.
10 (2010-09-10)
This is the ninth commercial release.
Compared with issue 09 (2010-06-05), this issue includes the following new topics:
l 2.2 BBU Monitoring Port
l 2.3 Monitoring Principles of the Cabinets
l 2.1 Customized Alarm Input
Compared with issue 09 (2010-06-05), no information is changed.
Compared with issue 09 (2010-06-05), this issue deletes the following topics:
l External monitoring port
l Monitoring scheme
l Monitoring board configurations
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09 (2010-06-05)
This is the eighth commercial release.
Compared with issue 08 (2010-03-25), this issue includes the following new topics:
l 2 DBS3900 Monitoring System
Compared with issue 08 (2010-03-25), no information is changed.
Compared with issue 08 (2010-03-25), no information is deleted.
08 (2010-03-25)
This is the seven commercial release.
Compared with issue 07 (2010-03-05), no information is added.
Compared with issue 07 (2010-03-05), this issue incorporates the following changes:
Part Modification
4.10 CPRI Optical Cable The description of single-mode optical cable
is modified.
Compared with issue 07 (2010-03-05), no information is deleted.
07 (2010-03-05)
This is the sixth commercial release.
Compared with issue 06 (2009-12-10), no information is added.
Compared with issue 06 (2009-12-10), this issue incorporates the following changes:
Part Modification
5.8.2 Configuration of the SLPU The description about the UFLP slots is
modified.
Compared with issue 06 (2009-12-10), no information is deleted.
06 (2009-12-10)
This is the fifth commercial release.
Compared with issue 05 (2009-11-15), this issue includes the following new topics:
l 5.5 DCDU-03
Compared with issue 05 (2009-11-15), this issue incorporates the following changes:
1 Changes in the BBU3900 Hardware Description
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Part Modification
3.2.3 WBBP WBBPd board is added.
Compared with issue 05 (2009-11-15), this issue deletes the following topics:
l DBS3900 hardware configuration
05 (2009-11-15)
This is the fourth commercial release.
Compared with issue 04 (2009-09-20), no information is added.
Compared with issue 04 (2009-09-20), this issue incorporates the following changes:
Part Modification
5.7 WGRU The description about the WRFU is modified.
Compared with issue 04 (2009-09-20), no information is deleted.
04 (2009-09-20)
This is the third commercial release.
Compared with issue 03 (2009-06-15), no information is added.
Compared with issue 03 (2009-06-15), no information is changed.
Compared with issue 03 (2009-06-15), no information is deleted.
03 (2009-06-15)
This is the second commercial release.
Compared with issue 02 (2009-03-20), this issue includes the following new topics:
l 3.2.8 USCU
Compared with issue 02 (2009-03-20), no information is changed.
Compared with issue 02 (2009-03-20), no information is deleted.
02 (2009-03-20)
This is the first commercial release.
Compared with issue 01 (2008-12-30), this issue includes the following new topics:
l DBS3900 hardware configuration
Compared with issue 01 (2008-12-30), this issue incorporates the following changes:
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Part Modification
3.2.7 UTRP The name of UTRP5 is modified to UTRP6.
Compared with issue 01 (2009-10-30), no information is deleted.
01 (2008-12-30)
This is the draft version.
1 Changes in the BBU3900 Hardware Description
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2DBS3900 Monitoring SystemAbout This Chapter
The DBS3900 monitoring system enables monitoring of all boards and components in the
cabinet. If any board or component is faulty, an alarm is automatically reported. The UPEU and
UEIU in the BBU or the RRU collects monitoring signals from boards and components to
achieve environment monitoring of the DBS3900.
2.1 Customized Alarm Input
2.2 BBU Monitoring Port
2.3 Monitoring Principles of the Cabinets
The DBS3900 cabinet is monitored by various boards. The boards collect alarms from sensors
and fans, and then transmit the alarm signals to the MON port on the BBU through the RS485
serial bus. In this manner, the boards monitor the cabinet.
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2.1 Customized Alarm Input
If a BBU monitors customer devices, customized alarms about the devices must be reported to
the BBU in the following two modes:
l The alarms are collected by the UPEU or UEIU in the BBU.
l The alarms are collected by the EMUA. For details about software configurations, see the
related initial configuration guide.
Monitoring Board Configuration
If a BBU monitors customer devices, customized alarms about the devices must be reported to
the BBU. The configurations of monitoring boards in the BTS3900A depend on the number of
customized alarms, as listed in Table 2-1.
Table 2-1 Configurations of monitoring boards in the DBS3900
External PowerInput
ApplicationScenario
Number ofBoolean Signals tobe Monitored
Monitoring BoardConfiguration
-48 V DC/220 V AC Indoor DBS3900 None UPEU
1 to 16 UPEU+UEIU
17 to 32 UPEU+UEIU
+EMUA
Outdoor DBS3900 None UPEU
1 to 16 UPEU+UEIU
+(2xUSLP2+SLPU)
17 to 32 UPEU+UEIU
+EMUA
NOTE
l If backup power is required for the BBU, two UPEUs rather than UPEU+UEIU are configured.
l The analog values can be monitored only by the EMUA.
l Two USLP2s and one SLPU are delivered in a package.
l The EMUA with sensors is configured according to site requirements for the indoor DBS3900.
Customized Alarms Collected by the UPEU or UEIU
Each UPEU or UEIU in the BBU supports eight Boolean alarm inputs. A maximum of two
UPEUs or UPEU+UEIU can be configured for the BBU, which means there are 16 Boolean
alarm inputs. This method can be used for the configuration of less than 16 customized alarm
inputs.
If using this method, connect the device to be monitored to the SLPU for surge protection, andthen connect the device to the EXT_ALM port on the BBU, as shown in Figure 2-1.
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Figure 2-1 Customized alarms collected by the UPEU or UEIU
Customized alarm signals are transmitted to the IN0 to IN3 ports on the USLP2 in the SLPU
and then transferred to the EXT_ALM port on the UPEU or EUIU through the alarm cable for
the BBU. Table 2-2 describes the relationship between the IN0 to IN3 ports and the number ofcustomized alarms.
Table 2-2 Relationship between the IN0 to IN3 ports on the USLP2 and the number of
customized alarms
Pins oftheIN0 toIN3ports
USLP2 in the upper slot USLP2 in the lower slot
IN0 IN1 IN2 IN3 IN0 IN1 IN2 IN3
1 4+ 5+ 0+ 1+ 12+ 13+ 8+ 9+
2 4-
(GND)
5-
(GND)
0-
(GND)
1-
(GND)
12-
(GND)
13-
(GND)
8-
(GND)
9-
(GND)
3 6-
(GND)
7+ 2-
(GND)
3+ 14-
(GND)
15+ 10-
(GND)
11+
4 6+ 7-
(GND)
2+ 3-
(GND)
14+ 15-
(GND)
10+ 11-
(GND)
For details about ports on the USLP2, see 5.8.5 USLP2. For details about the wire sequence of
the BBU alarm cable, see 4.16 BBU Alarm Cable.
NOTE
The SLPU is configured with two USLP2s by default before delivery when it is used as an alarm signal
protection unit. If a BBU is configured with one UPEU, the UPEU must be installed only in the lower slot.
In this case, the USLP2 in the upper slot of the SLPU is not used.
Customized Alarms Collected by the EMUA
The EMUA can be configured for the DBS3900 that requires more than 16 Boolean alarm
signals. Each EMUA supports 32 Boolean alarm inputs and two RS485 signal inputs.
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Customized alarms are transmitted to the EMUA that connects to the PMU. Then, the PMU
reports the alarms to the CMUA, which transfers the alarms to the BBU through the MON port.
For details about cable connections, see Figure 2-2.
Figure 2-2 Customized alarms collected by the EMUA (1)
SENSOR
If the CPRI port on the RRU is not used to report alarms to the BBU, the serial port on the RRU
is used to report alarms to the CMUA that connects to the PMU. Then, the PMU transfers the
alarms to the EMUA. For details about cable connections, see Figure 2-3.
Figure 2-3 Customized alarms collected by the EMUA (2)
COM_IN
ALM
COM_IN
RS485
COM_OUT
COM_OUT
PMU
RRU
CMUA
EMUA
SENSOR
For details about the position of the input port on the EMUA and cable connection between the
EMUA and the sensor, see EMUA User Guide.
2.2 BBU Monitoring Port
The BBU houses the UPEU and UEIU for monitoring. Each board has two Boolean input ports
and two RS485 input ports, and each Boolean input port receives four Boolean inputs. Figure
2-4 shows the slot assignment for the UPEU and UEIU.
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Figure 2-4 Slot assignment for the UPEU and UEIU
Table 2-3 lists the ports on the UPEU and UEIU.
Table 2-3 Ports on the UPEU and UEIU
Slot Board Label Connector Quantity Description
Slot19 UPEU EXT-ALM0 RJ-45
connector
1 Port for
Boolean
inputs 8 to 11
EXT-ALM1 RJ-45
connector
1 Port for
Boolean
inputs 12 to
15
MON0 RJ-45
connector
1 Port for
RS485 input
0
MON1 RJ-45
connector
1 Port for
RS485 input1
Slot18 UEIU
(optional)
EXT-ALM0 RJ-45
connector
1 Port for
Boolean
inputs 0 to 3
EXT-ALM1 RJ-45
connector
1 Port for
Boolean
inputs 4 to 7
MON0 RJ-45
connector
1 Port for
RS485 input
0
MON1 RJ-45
connector
1 Port for
RS485 input
1
2.3 Monitoring Principles of the Cabinets
The DBS3900 cabinet is monitored by various boards. The boards collect alarms from sensors
and fans, and then transmit the alarm signals to the MON port on the BBU through the RS485serial bus. In this manner, the boards monitor the cabinet.
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Monitoring Principles of the DBS3900 in the 110 V AC/220 V AC Power SupplyScenario
The monitoring board varies according to different cabinets. The monitoring boards in the
APM30 or TMC are the APMI, AFMU, and PMU. The monitoring boards in the APM30H(Ver.A) or TMC11H (Ver.A) are the HEUA, HPMI, and PMU. The monitoring boards in the
APM30H (Ver.B) or TMC1H (Ver.B) are the CMUA, HPMI, and PMU.
Figure 2-5 illustrates the monitoring principles of the DBS3900 configured with 1 APM30+1
TMC+1 BBC or with additional 1 APM30+1 BBC when the BBU is installed in the APM30.
The devices monitored by the APMI and AFMU are not shown in the figures. For details, see
the description about the boards.
l For details about the functions of monitoring ports on the APMI, see APMI.
l For details about the functions of monitoring ports on the AFMU, see AFMU.
l For details about the functions of monitoring ports on the PMU, see PMU. The PMU is
configured only in the APM30.
Figure 2-5 Monitoring principles of the DBS3900 when the BBU is installed in the APM30
APMI APMIPMU AFMU
AFMU
BBC BBC
APM30 APM30
TMC
BBU
APMI
PMU AFMU
Door StatusSensor
Door StatusSensor Door StatusSensor
Door StatusSensor Door StatusSensor
APMI
PMU AFMU
AFMU
BBC
APM30
TMC
COM_IN / COM1
COM_OUT / COM2
COM
MON0 / MON1
ALM0/ALM1
TX RX
RS422
BBU
Wiring terminal
for the surge
protection alarm
signal cable on
the DCDU
Wiring terminal
for the surge
protection alarm
signal cable on
the DCDU
APMI
Cable to be
connected on siteCable connected
before delivery
Monitoring from
source to destination
Figure 2-6 illustrates the monitoring principles of the DBS3900 configured with 1 APM30H
(Ver.A)+1 TMC11H (Ver.A)+1 BBC/IBBS or with additional 1 APM30H (Ver.A)+1 BBC/
IBBS when the BBU is installed in the APM30H (Ver.A). The devices monitored by the HEUA
and HPMI are not shown in the figures. For details, see the description about the boards.
l For details about the functions of monitoring ports on the HEUA, see HEUA.
lFor details about the functions of monitoring ports on the HPMI, see HPMI.
l For details about the functions of monitoring ports on the PMU, see PMU. The PMU is
configured only in the APM30H (Ver.A).
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Figure 2-6 Monitoring principles of the DBS3900 when the BBU is installed in the APM30H
(Ver.A)
HPMIPMU HEUA
BBC/IBBS
APM30H(Ver.A)
TMC11H(Ver.A)
COM_IN / COM1
COM_OUT / COM2
COM
BAT
MON0 / MON1
PMU
RS422
BBU
HEUA
HPMIPMU HEUA
BBC/IBBS
APM30H(Ver.A)
TMC11H(Ver.A)
BBU
HEUA
HPMIPMU HEUA
BBC/IBBS
APM30H(Ver.A)
Cable to be
connected on site
Cable connected
before delivery
Monitoring from
source to destination
Door status
sensorDoor status
sensor
Door status
sensor
Figure 2-7 illustrates the monitoring principles of the DBS3900 configured with 1 APM30H
(Ver.B)+1 TMC11H (Ver.B)+1 IBBS or with additional 1 APM30H (Ver.B)+1 IBBS when the
BBU is installed in the APM30H (Ver.B). The devices monitored by the CMUA and HPMI are
not shown in the figures. For details, see the description about the boards.
l For details about the functions of monitoring ports on the CMUA, see CMUA.
l For details about the functions of monitoring ports on the HPMI, see HPMI.
l For details about the functions of monitoring ports on the PMU, see PMU. The PMU is
configured only in the APM30H (Ver.B).
Figure 2-7 Monitoring principles of the DBS3900 when the BBU is installed in the APM30H
(Ver.B)
CMUA
PMUHPMI
CMUA
IBBS
APM30H(Ver.B)
TMC11H(Ver.B)
COM_IN / COM1
COM_OUT / COM2
COM_485
COM
PMU
MON0 / MON1
COM_IN
BBU
CMUA CMUA
PMU CMUA
IBBS
APM30H(Ver.B)
TMC11H(Ver.B)
BBU
CMUA CMUA
PMU CMUA
IBBS
APM30H(Ver.B)
HPMI HPMI
Cable to be
connected on site
Cable connected
before delivery
Monitoring from
source to destination
Figure 2-8 illustrates the monitoring principles of the DBS3900 configured with 1 APM30H
(Ver.B)+1 TMC11H (Ver.B)+2 IBBS or with additional 1 APM30H (Ver.B)+2 IBBS when the
BBU is installed in the APM30H (Ver.B). The devices monitored by the CMUA and HPMI are
not shown in the figures. For details, see the description about the boards.
l For details about the functions of monitoring ports on the CMUA, see CMUA.
l For details about the functions of monitoring ports on the HPMI, see HPMI.
l
For details about the functions of monitoring ports on the PMU, see PMU. The PMU isconfigured only in the APM30H (Ver.B).
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Figure 2-8 Monitoring principles of the DBS3900 when the BBU is installed in the APM30H
(Ver.B)
PMUHPMI
CMUA
APM30H(Ver.B)TMC11H(Ver.B)
COM_IN / COM1
COM_OUT / COM2
COM_485
COM
PMU
MON0 / MON1
COM_IN
BBU
CMUA
CMUAIBBSIBBS
CMUA
PMUHPMI
CMUA
APM30H(Ver.B)TMC11H(Ver.B)
BBU
CMUA
CMUAIBBSIBBS
CMUA
PMUHPMI
CMUA
APM30H(Ver.B)
CMUAIBBS IBBS
CMUA
Cable to be
connected on site
Cable connected
before delivery
Monitoring from
source to destination
Figure 2-9 illustrates the monitoring principles of the DBS3900 when the RRU is powered and
monitored by the APM30H (Ver.B). The devices monitored by the CMUA and HPMI are not
shown in the figures. For details, see the description about the boards.
l For details about the functions of monitoring ports on the CMUA, see CMUA.
l For details about the functions of monitoring ports on the HPMI, see HPMI.
l For details about the functions of monitoring ports on the PMU, see PMU. The PMU is
configured only in the APM30H (Ver.B).
Figure 2-9 Monitoring principles of the DBS3900 when the RRU is powered and monitored by
the APM30H (Ver.B)
CMUA
PMU
SLPU
HPMI RRU
CMUA
IBBS
APM30H(Ver.B)
IBBS
COM_IN / COM1
COM_OUT / COM2
COM_485
COMALM
PMU
IN0OUT1
MON0 / MON1
COM_IN
CMUA
Cable to be
connected on site
Cable connected
before delivery
Monitoring from
source to destination
Figure 2-10 illustrates the monitoring principles of the DBS3900 when the BBU is installed in
the OMB. The devices monitored by the HEUA is not shown in the figures. For details, see the
description about the boards.
l For details about the functions of monitoring ports on the HEUA, see HEUA.
Figure 2-10 Monitoring principles of the DBS3900 when the BBU is installed in the OMB
COM_IN / COM1
MON0 / MON1
Cable to be
connected on site
Cable connected
before delivery
Monitoring fromsource to destination
OMB
BBU
PMU
HEUA
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Figure 2-11 illustrates the monitoring principles of the DBS3900 in the indoor solution of BBU
+RRU+ICR and also in the 110 V AC/220 V AC power supply scenario. In this solution, the
BBU is installed in the IMB03, and the RRU is installed on the IFS06.
l For details about the functions of monitoring ports on the PMU, see PMU. The PMU is
configured only in the lower IMB03.
Figure 2-11 Monitoring principles of the DBS3900 in the BBU+RRU+ICR (110V/220V)
scenario
COM_IN / COM1
IMB03
IMB03
MON0 / MON1BBU
PMU
Cable to be
connected on site
Cable connected
before delivery
Monitoring from
source to destination
Figure 2-12 illustrates the monitoring principles of the DBS3900 in the indoor solution of BBU
+RRU+ICR and also in the 110 V AC/220 V AC power supply scenario. In this solution, theBBU is installed in the IMB03, and the RRUs are installed remotely.
Figure 2-12 Monitoring principles of the DBS3900 in the BBU+RRU+IMB03 (110V/220V)
scenario
RS232/RS485
IMB03
MON0 / MON1 BBU
PMU
Cable to be
connected on site
Cable connected
before delivery
Monitoring from
source to destination
Monitoring Principles of the DBS3900 in the -48 V DC Power Supply Scenario
Figure 2-13 illustrates the monitoring principles of the DBS3900 configured with two TMCs
or TMC11Hs when the BBU is installed in the TMC or TMC11H.
l For details about the functions of monitoring ports on the APMI, see APMI.
l For details about the functions of monitoring ports on the HEUA, see HEUA.
l For details about the functions of monitoring ports on the CMUA, see CMUA.
Figure 2-13 Monitoring principles of the DBS3900 when the BBU is installed in the TMC orTMC11H
APMI/HEUA/CMUA
TMC/TMC11H TMC/TMC11H
COM_IN / COM1
MON0 / MON1
BBU
APMI/HEUA/CMUACable to be
connected on siteCable connected
before delivery
Monitoring from
source to destination
Figure 2-14 illustrates the monitoring principles of the DBS3900 when the BBU is installed in
the OMB. The devices monitored by the HEUA is not shown in the figures. For details, see the
description about the boards.
l For details about the functions of monitoring ports on the HEUA, see HEUA.
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Figure 2-14 Monitoring principles of the DBS3900 when the BBU is installed in the OMB
COM_IN / COM1
MON0 / MON1
Cable to be
connected on site
Cable connected
before delivery
Monitoring fromsource to destination
OMB
BBU
HEUA
Monitoring Principles of the DBS3900 in the +24 V DC Power Supply Scenario
Figure 2-15 illustrates the monitoring principles of the DBS3900 when the BBU is installed in
the APM30H (Ver.B) in the +24 V DC power supply scenario.
l For details about the functions of monitoring ports on the CMUA, see CMUA.
l For details about the functions of monitoring ports on the power equipment (DC/DC), see
Power Subrack (DC/DC).
Figure 2-15 Monitoring principles of the DBS3900 when the BBU is installed in the APM30H(Ver.B) in the +24 DC power supply scenario
ALM
PRESENT
COM_IN APM30H(+24V,Ver.B)
EXT-ALM0 / EXT-ALM1
MON0 / MON1
Cable to be
connected on siteCable connected
before delivery
Monitoring from
source to destination
BBU
CMUA
Power System(DC/DC)
Figure 2-16 illustrates the monitoring principles of the DBS3900 in the indoor solution of BBU
+RRU+ICR and also in the +24 V DC power supply scenario. In this solution, the BBU is
installed in the IMB03, and the RRU is installed on the IFS06.
l For details about the functions of monitoring ports on the power equipment (DC/DC), seePower Subrack (DC/DC).
Figure 2-16 Monitoring principles of the DBS3900 in the BBU+RRU+ICR (+24 V DC) scenario
ALM
PRESENT
IMB03
IMB03
EXT-ALM0 / EXT-ALM1BBU
Power System(DC/DC)
Cable to be
connected on site
Cable connected
before delivery
Monitoring from
source to destination
For details about the monitoring of the EMUA, see 2.1 Customized Alarm Input.
For details about the connections of all monitoring signal cables in the cabinet, see Monitoring
Signal Cable Connections.
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3 BBU3900 EquipmentAbout This Chapter
This describes the BBU3900 equipment. It is a baseband unit that implements communication
between the NodeB and the RNC.
The BBU3900 has the following functions:
l Providing ports for data communication between the NodeB and the RNC
l Providing the CPRI interface for communication between the BBU and the RRU or the
RFU
l Providing USB ports, one of which facilitates the upgrading of the NodeB when a USB
disk is inserted during software installation and data configuration
l Providing OM channels between the BBU and the LMT or the M2000 to operate and
maintain the BBU
l Processing uplink and downlink baseband signals
l Managing the entire NodeB system in terms of OM and signaling processing
l Providing the system clock
3.1 Exterior of the BBU3900
The BBU3900, which has a case structure, is 19 inches wide and 2 U high.
3.2 BBU3900 Components
This section describes the boards and module of the BBU3900 in terms of their functions, ports,LEDs, and DIP switches.
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3.1 Exterior of the BBU3900The BBU3900, which has a case structure, is 19 inches wide and 2 U high.
The dimensions (W x D x H) of the BBU3900 are 442 mm x 310 mm x 86 mm. Figure 3-1
shows the BBU3900.
Figure 3-1 BBU3900
The Electronic Serial Number (ESN) is unique to a network element (NE) for identification, and
is used during the commissioning of the base station.
The ESN is printed on the WMPT, Figure 3-2 shows the position of the ESN.
Figure 3-2 The position of the ESN
3.2 BBU3900 ComponentsThis section describes the boards and module of the BBU3900 in terms of their functions, ports,
LEDs, and DIP switches.
3.2.1 Board Configuration of the BBU3900
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This section describes the board configuration of the BBU3900.
3.2.2 WMPT
The WCDMA Main Processing and Transmission unit (WMPT) processes the signals and
manages the resources for other boards.
3.2.3 WBBP
The WCDMA Baseband Process Unit (WBBP) of the BBU3900 processes baseband signals.
3.2.4 FAN
The FAN unit of the BBU3900 controls the fan speed, monitors the temperature of the FAN
unit, and dissipates the heat in the BBU.
3.2.5 UPEU
The Universal Power and Environment Interface Unit (UPEU) is a mandatory board of the
BBU3900. It converts -48 V or +24 V DC power to +12 V DC power.
3.2.6 UEIU
The Universal Environment Interface Unit (UEIU) transmits monitoring and alarm signals fromthe external devices to the main control and transmission unit.
3.2.7 UTRP
The Universal Transmission Processing unit (UTRP) is the transmission extension board of the
BBU3900. It provides eight E1s/T1s, one unchannelized STM-1/OC-3 port, and four electrical
ports or two optical ports.
3.2.8 USCU
This section describes the Universal Satellite card and Clock Unit (USCU).
3.2.1 Board Configuration of the BBU3900
This section describes the board configuration of the BBU3900.
Slots of the BBU3900
Figure 3-3 shows the slots of the BBU3900.
Figure 3-3 Slots of the BBU3900
Board Configuration of the BBU3900
Table 3-1 describes the board configuration of the BBU3900.
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Board Mandatory/ Optional
MaximumConfiguredNumber
InstallationSlot
Requirements
UTRP Optional 4 slot 0 or slot 1 or
slot 4 or slot 5
The priority of
the UTRP
installation
position of the
board is from
slot 4 to slot 5,
and then to slot 0
and slot 1.
USCU Optional 1 slots 0 or 1 The USCU is
preferentially
configured in
the slot 1.
Configured in
slot 1 in the case
of 1 U dual-
satellite-card (in
this case, slot 0
is also occupied)
NOTE
l
The UTRP2 and UTRP9 are supported in V200R011 and later versions.l WBBPd is supported in V200R012 and later versions.
l The UELP and UFLP need to be optionally configured in the BBU or SLPU on site according to the
field requirements.
Figure 3-4 shows the BBU3900 in typical configuration with one WMPT, one WBBP, one
UPEU, and one FAN.
Figure 3-4 BBU3900 in typical configuration
3.2.2 WMPT
The WCDMA Main Processing and Transmission unit (WMPT) processes the signals andmanages the resources for other boards.
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Panel
Figure 3-5 shows the WMPT panel.
Figure 3-5 Panel of the WMPT
Functions
The WMPT has the following functions:
l Providing Operation and Maintenance (OM) functions such as configuration management,
equipment management, performance monitoring, signaling processing, and active/standby switchover and providing OM channels connected to the OMC (LMT or M2000)
l Providing the reference clock
l Processing signaling and managing resources for other boards in the BBU3900
l Providing USB ports, one of which facilitates automatic BBU3900 upgrading when a USB
disk is inserted during software installation and data configuration
l Providing four E1s/T1s which support ATM and IP protocols
l Providing one FE electrical port and one FE optical port which support the IP protocol
l Supporting cold backup
LED
Table 3-2 describes the LEDs on the WMPT panel.
Table 3-2 LEDs on the WMPT
Label Color Status Meaning
RUN Green ON The power input is
available, but the
board is faulty.
OFF The power supply isunavailable.
Blinking (on for one
second and off for
one second)
The board in normal
configuration is
running properly.
Blinking (on for
0.125 second and off
for 0.125 second)
The software is being
loaded to the board,
or the board is not in
use.
ALM Red OFF No alarm is
generated.
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Label Color Status Meaning
ON The board has
hardware alarms.
ACT Green ON The board is in activemode.
OFF The board is in
standby mode.
In addition to the previous three LEDs, the WMPT has another six LEDs indicating the
connection status of the FE optical port, FE electrical port, and the commissioning Ethernet port.
The six LEDs have no silk screen and are on both sides of each of the three ports. Figure 3-6
describes the LEDs beside the three ports and the status of the LEDs.
Figure 3-6 LEDs besides the three ports on the WMPT
Table 3-3 describes the LED and its status.
Table 3-3 LEDs beside the three ports
LED Color Status Meaning
LEDs beside the FE1
optical port
Green (LINK) ON The connections are
functional.
OFF The connections are
faulty.
Green (ACK) Blinking Data transmission is
ongoing.
OFF No data transmission
is ongoing.
LEDs beside the FE0
electrical port
Green (LINK) ON The connections are
functional.
OFF The connections are
faulty.
Yellow (ACK) Blinking Data transmission is
ongoing.
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LED Color Status Meaning
OFF No data transmission
is ongoing.
ETH Green (LINK) ON The connections arefunctional.
OFF The connections are
faulty.
Yellow (ACK) Blinking Data transmission is
ongoing.
OFF No data transmission
is ongoing.
Port
Table 3-4 describes the ports on the WMPT panel.
Table 3-4 Ports on the WMPT
Label Connector Type Description
E1/T1 DB26 connector E1
FE0 RJ-45 connector FE electrical port
FE1 SFP connector FE optical port
GPS SMA connector Reserved
ETH RJ-45 connector Commissioning Ethernet
port
USB USB connector USB loading port
TEST USB connector USB testing port
RST - Resets the BBU
DIP Switch
The WMPT has two DIP switches: SW1 for setting the E1/T1 working mode and SW2 for setting
the protection grounding for the E1/T1 cables receiving 4-way signals. Figure 3-7 shows the
DIP switches on the WMPT.
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Figure 3-7 DIP switches on the WMPT
Table 3-5 and Table 3-6 describe the settings of SW1 and SW2.
Table 3-5 Settings of SW1
DIPSwitch
DIP Status Description
1 2 3 4
SW1 ON ON OFF OFF T1 Mode
OFF OFF ON ON The E1
impedance is
set to 120
ohms.
ON ON ON ON The E1
impedance is
set to 75
ohms.
Other settings of the DIP bits Disabled
Table 3-6 Settings of SW1
DIPSwitch
DIP Status Description
1 2 3 4
SW2 ON ON OFF OFF Balanced
Mode
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DIPSwitch
DIP Status Description
1 2 3 4
ON ON ON ON Unbalanced
Mode
Other settings of the DIP bits Disabled
CAUTION
All the DIP bits of SW2 are set to OFF by default. When four E1 links are faulty, you should
set all the DIP bits of SW2 to ON so that the faults are rectified.
3.2.3 WBBP
The WCDMA Baseband Process Unit (WBBP) of the BBU3900 processes baseband signals.
Panels
The WBBP has three types of panels, as shown in Figure 3-8, Figure 3-9 and Figure 3-10.
Figure 3-8 Panel of the WBBPa
Figure 3-9 Panel of the WBBPb
Figure 3-10 Panel of the WBBPd
Functions
The WBBP has the following functions:
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l Provides the CPRI interface for communication between the BBU and the RRU or RFU,
and supports the CPRI interface in 1+1 backup mode.
l Processes uplink and downlink baseband signals.
l The WBBPd supports interference cancellation (IC) within the board.
l When installed in slot 2 or slot 3, the WBBPd supports the IC function of uplink data.
Table 3-7 describes the specifications of the WBBP.
Table 3-7 Specifications of the WBBP
Board Number of Cells UL CE Number DL CE Number
WBBPa 3 128 256
WBBPb1 3 64 64
WBBPb2 3 128 128
WBBPb3 6 256 256
WBBPb4 6 384 384
WBBPd1 6 192 192
WBBPd2 6 384 384
WBBPd3 6 256 256
LEDs
The WBBPa and WBBPb provide three LEDs indicating the status of the SFP links, and the
LEDs are positioned below the SFP ports. The WBBPd provides six LEDs indicating the status
of the SFP links, and the LEDs are positioned above the SFP ports.
Table 3-8 describes the LEDs on the WBBP and their status.
Table 3-8 LEDs on the WBBP and their status
Label Color Status Description
RUN Green ON The board has power input, yetthe board is faulty.
OFF The power supply or the board
is faulty.
Blinking (on for one second
and off for one second)
The board is running properly.
Blinking (on for 0.125 second
and off for 0.125 second)
Software is being loaded to the
board.
ACT Green ON The board is running properly.
OFF The WBBP is not in use.
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Label Color Status Description
ALM Red OFF The board is running properly.
ON The board has hardware alarms.
The WBBPa or WBBPb provides three LEDs indicating the status of the SFP links. The LEDs
are positioned below the SFP ports. The WBBPd provides six LEDs indicating the status of the
SFP links. The LEDs are positioned above the SFP ports.
Table 3-9 describes the LEDs.
Table 3-9 LEDs indicating the status of the SFP links
Label Color Status Description
TX RX Red/Green Steady green The CPRI link is
available.
Steady red The optical module
fails to receive
signals.
Blinking red (ON for
0.125 second and
OFF for 0.125
second)
The RRU on the
CPRI link is faulty.
Blinking red (ON forone second and OFF
for one second)
The CPRI link is outof lock.
OFF The SFP module is
not in position or the
optical module is
powered off.
Ports
Table 3-10 describes the three CPRI ports on the panels of the WBBPa and WBBPb.
Table 3-10 Ports on the panels of the WBBPa and WBBPb
Label Connector Type Description
CPRIx SFP female Data transmission port
between the BBU and the RF
module, supporting input and
output of optical and
electrical signals
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The WBBPd has six ports. Table 3-11 describes the ports on the WBBPd.
Table 3-11 Ports on the WBBPd
Label Connector Type Description
CPRI0, CPRI1, CPRI2
CPRI3/EIH0, CPRI4/EIH1,
CPRI5/EIH2
SFP female Data transmission port
between the BBU and the RF
module, supporting input and
output of optical and
electrical signals
NOTE
The six CPRI ports are available on the WBBPd configured only in slot 2 or 3, and the CPRI ports are not
available on the WBBPd configured in other port.
3.2.4 FAN
The FAN unit of the BBU3900 controls the fan speed, monitors the temperature of the FAN
unit, and dissipates the heat in the BBU.
Panel
Figure 3-11 shows the panel of the FAN unit.
Figure 3-11 Panel of the FAN unit
Functions
The FAN unit performs the following functions:
l Controls the fan speed.
l Reports the fan status to the main control board.
l Monitors the temperature of the air inlets.
l Dissipates the heat.
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LEDs
The FAN unit has one LED, indicating the running status of the module. Table 3-12 describes
the LED on the FAN unit and its status.
Table 3-12 LED on the FAN unit and its status
Label Color Status Description
STATE Green On for 0.125s and off
for 0.125s
The module is not
registered, and no
alarm is reported.
On for 1s and off for
1s
The module is
running properly.
Red Off No alarm is reported.
On for 1s and off for
1s
The module is
reporting alarms.
3.2.5 UPEU
The Universal Power and Environment Interface Unit (UPEU) is a mandatory board of the
BBU3900. It converts -48 V or +24 V DC power to +12 V DC power.
Panels
The UPEU is classified into the Universal Power and Environment Interface Unit Type A
(UPEUA) and the Universal Power and Environment Interface Unit Type B (UPEUB). The
UPEUA converts -48 V DC power to +12 V DC power and the UPEUB converts +24 V DC
power to +12 V DC power. Figure 3-12 shows the UPEUA panel and Figure 3-13 shows the
UPEUB panel.
Figure 3-12 Panel of the UPEUA
(1) Power switch of the BBU
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Figure 3-13 Panel of the UPEUB
(1) Power switch of the BBU
Functions
The UPEU performs the following functions:
l Converts -48 V DC or +24 V DC power to +12 V DC power that is applicable to the boards
l Provides two ports for two RS485 inputs and two ports for eight Boolean signals
l Provides reverse connection protection for power cable connectors
l If two UPEUs are configured, two power inputs are required. The UPEU in slot 19 works
in active mode, and the UPEU in slot 18 works in standby mode
LEDs
The UPEU has one LED that indicates the operating status of the board. Table 3-13 describes
the LED and its status.
Table 3-13 LED on the UPEU and its status
Label Color Status Description
RUN Green On The UPEU is
operational.
Off Input power is
unavailable or the
board is faulty.
Ports
The UPEU provides two RS485 ports and two ports for eight Boolean signals. When configured
in different slots, the ports on the UPEU have different functions. Figure 3-14 shows the slots
in the BBU.
Figure 3-14 Slots in the BBU
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Table 3-14 describes the ports on the panel of the UPEU.
Table 3-14 Ports on the panel of the UPEU
Slot Label Connector
Quantity Description
Slot 19 PWR 3V3 1 Port for +24 V DC or -48 V DC input
power
EXT-
ALM0
RJ-45 1 Port for Boolean signal inputs 0 to 3
EXT-
ALM1
RJ-45 1 Port for Boolean signal inputs 4 to 7
MON0 RJ-45 1 Port for RS485 signal input 0
MON1 RJ-45 1 Port for RS485 signal input 1
Slot 18 PWR 3V3 1 Port for +24 V DC or -48 V DC input
power
EXT-
ALM0
RJ-45 1 Port for Boolean signal inputs 0 to 3
EXT-
ALM1
RJ-45 1 Port for Boolean signal inputs 4 to 7
MON0 RJ-45 1 Port for RS485 signal input 0
MON1 RJ-45 1 Port for RS485 signal input 1
3.2.6 UEIU
The Universal Environment Interface Unit (UEIU) transmits monitoring and alarm signals from
the external devices to the main control and transmission unit.
Panel
Figure 3-15 shows the panel of the UEIU.
Figure 3-15 Panel of the UEIU
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Functions
The UEIU performs the following functions:
l Provides two ports, each transmitting one RS485 signal.
l Provides two ports, each transmittin