tp48600b-n16a3 v300r001c07 user manual 02

TP48600B-N16A3 V300R001C07

User Manual

Issue 02

Date 2013-08-20

HUAWEI TECHNOLOGIES CO., LTD.

Issue 02 (2013-08-20) Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd. i

Copyright © Huawei Technologies Co., Ltd. 2013. 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 a 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://enterprise.huawei.com

http://www.huawei.com/

TP48600B-N16A3

User Manual About This Document


Copyright © Huawei Technologies Co., Ltd.

ii

About This Document

Overview

This document describes the DC power system in terms of product introduction, component

introduction, and system maintenance.

The figures of this document are for reference only.

Intended Audience

This document is intended for:

Sales engineers

Technical support engineers

Maintenance engineers

Symbol Conventions

The symbols that may be found in this document are defined as follows.

Symbol Description

Indicates a hazard with a high level or medium level of

risk which, if not avoided, could result in death or

serious injury.

Indicates a hazard with a low level of risk which, if not

avoided, could result in minor or moderate injury.

Indicates a potentially hazardous situation that, if not

avoided, could result in equipment damage, data loss,

performance deterioration, or unanticipated results.

Provides a tip that may help you solve a problem or save

time.

Provides additional information to emphasize or

supplement important points in the main text.

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User Manual About This Document



iii

Change History

Changes between document issues are cumulative. The latest document issue contains all the

changes made in earlier issues.

Issue 02 (2013-08-20)

Modified the associations between alarms and dry contacts on the UIM in Appendix.

Issue 01 (2013-07-17)

This issue is the first official release.

TP48600B-N16A3

User Manual Contents



iv

Contents

About This Document .................................................................................................................... ii

1 Overview ......................................................................................................................................... 1

1.1 Introduction .................................................................................................................................................................. 1

1.2 Model Number Description .......................................................................................................................................... 2

1.3 System Features ............................................................................................................................................................ 3

1.4 System Configurations .................................................................................................................................................. 3

2 Components ................................................................................................................................... 5

2.1 Interior .......................................................................................................................................................................... 5

2.2 PDU .............................................................................................................................................................................. 7

2.3 Rectifier ........................................................................................................................................................................ 7

2.4 SMU ............................................................................................................................................................................. 9

2.5 UIM ............................................................................................................................................................................ 12

3 Safety ............................................................................................................................................. 15

3.1 Health and Safety ........................................................................................................................................................ 15

3.1.1 Overview ................................................................................................................................................................. 15

3.1.2 Electrical Safety ....................................................................................................................................................... 17

3.1.3 Inflammable Environment ....................................................................................................................................... 18

3.1.4 Battery ..................................................................................................................................................................... 18

3.1.5 Working at Heights .................................................................................................................................................. 20

3.1.6 Mechanical Safety ................................................................................................................................................... 22

3.1.7 Bundling Signal Cables ........................................................................................................................................... 23

3.2 Equipment Safety ........................................................................................................................................................ 23

3.2.1 Electricity Safety ..................................................................................................................................................... 23

3.2.2 Electrostatic Discharge ............................................................................................................................................ 23

3.2.3 Laying Out Cables ................................................................................................................................................... 24

4 Maintenance ................................................................................................................................. 25

4.1 Routine Maintenance .................................................................................................................................................. 25

4.2 Rectifying Common Faults ......................................................................................................................................... 26

4.2.1 Mains Failure ........................................................................................................................................................... 26

4.2.2 AC Over Volt ........................................................................................................................................................... 26

4.2.3 AC Under Volt ......................................................................................................................................................... 26

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4.2.4 Phase A/B/C Failure ................................................................................................................................................ 26

4.2.5 DC Over Volt ........................................................................................................................................................... 27

4.2.6 DC Under Volt ......................................................................................................................................................... 27

4.2.7 Amb. Over Temp ...................................................................................................................................................... 28

4.2.8 Amb. Under Temp .................................................................................................................................................... 28

4.2.9 Amb. Over Humi ..................................................................................................................................................... 28

4.2.10 Amb. Under Humi ................................................................................................................................................. 29

4.2.11 Door Alarm ............................................................................................................................................................ 29

4.2.12 Water Alarm ........................................................................................................................................................... 29

4.2.13 Smoke Alarm ......................................................................................................................................................... 30

4.2.14 Rectifier Lost ......................................................................................................................................................... 30

4.2.15 Single Rect Fau ...................................................................................................................................................... 30

4.2.16 Multi-Rect Fault ..................................................................................................................................................... 31

4.2.17 Rect Fault ............................................................................................................................................................... 31

4.2.18 Rect Protect ............................................................................................................................................................ 31

4.2.19 Rect Comm Fault ................................................................................................................................................... 32

4.2.20 DC SPD Alarm ...................................................................................................................................................... 32

4.3 Identifying Component Faults .................................................................................................................................... 32

4.3.1 Identifying Circuit Breaker Faults ........................................................................................................................... 32

4.3.2 Identifying Rectifier Faults ...................................................................................................................................... 32

4.3.3 Identifying SMU Faults ........................................................................................................................................... 33

4.4 Replacing Components ............................................................................................................................................... 33

4.4.1 Replacing a Rectifier ............................................................................................................................................... 33

4.4.2 Replacing an SMU ................................................................................................................................................... 35

4.4.3 Replacing a UIM ...................................................................................................................................................... 36

4.4.4 Replacing a Circuit Breaker ..................................................................................................................................... 38

A Technical Specifications ........................................................................................................... 40

A.1 Environmental Specifications .................................................................................................................................... 40

A.2 Electrical Specifications............................................................................................................................................. 40

A.3 Electromagnetic Compatibility Specifications ........................................................................................................... 42

A.4 Cabinet Specifications ............................................................................................................................................... 42

A.5 Rectifier Specifications .............................................................................................................................................. 43

B Electrical Conceptual Diagram ................................................................................................ 44

C Associations Between Alarms and Dry Contacts on the UIM ........................................... 45

D Acronyms and Abbreviations.................................................................................................. 46

TP48600B-N16A3

User Manual 1 Overview



1

1 Overview

1.1 Introduction

TP48600B-N16A3 is one indoor communications power system that supplies power to and

backs up power for -48 V DC communications equipment. The maximum output current of

the TP48600B-N16A3 is 600 A.Figure 1-1 shows the TP48600B-N16A3 cabinet.

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Figure 1-1 TP48600B-N16A3 cabinet

1.2 Model Number Description

Figure 1-2 shows the model number description for the TP48600B-N16A3.

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Figure 1-2 TP48600B-N16A3 model number description

1.3 System Features Supports a wide voltage range of 85 V AC to 300 V AC.

Features comprehensive DC surge protective design.

Supports network application by providing one FE port and one RS485/RS232 port.

Supports the Simple Network Management Protocol (SNMP) and Hypertext Transfer

Protocol (HTTPS) and can communicate with Huawei Network Ecosystem (NetEco) or

third-party element management systems (EMSs) to enable remote monitoring and an

unattended working mode.

Displays information on a liquid crystal display (LCD) and provides buttons for

operations.

Supports operations over the web user interface (WebUI).

Supports multiple display languages, such as English, Chinese, Spanish, Portuguese,

Italian, and Russian.

Rectifiers and the site monitoring unit (SMU) are hot-swappable.

The rectifier power factor reaches as high as 0.99.

The rectifier efficiency reaches as high as 96%.

1.4 System Configurations

Table 1-1describes the system configurations for the TP48600B-N16A3.

Table 1-1 System configurations

Item TP48600B-N16A3

Rectifier A maximum of twelve R4850G1

SMU SMU02B

User interface module UIM02C

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Item TP48600B-N16A3

(UIM)

Maximum output

current

600 A

Power distribution

unit (PDU)

AC PDU: compatible with one general AC input or four AC

input branches.

DC PDU: compatible with six load outputs or one general load

output copper bar.

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User Manual 2 Components



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2 Components

2.1 Interior

Figure 2-1 shows the interior of TP48600B-N16A3.

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Figure 2-1 Interior of TP48600B-N16A3

(1) Site monitoring module

(SMU02B)

(2) Space for rectifiers (3) Rectifier circuit

breakers

(4) AC input terminals (5) -48V busbar (6) Ground bar

(7) User interface module

(UIM02C)

(8) Surge protection device

(SPD) (9) RTN+ busbar

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2.2 PDU

Figure 2-1 shows the AC PDU for TP48600B-N16A3. Table 2-1 lists the power distribution

configurations.

Table 2-1 Power distribution configurations

Item TP48600B-N16A3

Input mode 220/380 V AC three-phase, four-wire.

AC input circuit

terminals

ten 1-pole terminals. Three live wires (L1, L2, and L3) are

configured with two terminals respectively. The neutral wire is

configured with four terminals.

Rectifier input circuit

breaker

twelve 2-pole circuit breakers.

DC SPD Differential mode: 10 kA (8/20 µs); common mode: 20 kA (8/20

µs).

2.3 Rectifier

Appearance

Figure 2-2 shows a rectifier.

Figure 2-2 Rectifier

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Panel

The rectifier has a Run indicator, an Alarm indicator, and a Fault indicator on its front panel.

Figure 2-3 shows the rectifier panel.

Figure 2-3 Rectifier panel

(1) Run indicator (2) Alarm indicator (3) Fault indicator

Indicator Description

Table 2-2 Indicator description

Indicator Color Status Description

Run indicator Green Steady on The rectifier provides output

properly.

Off The rectifier provides no output.

Alarm indicator Yellow Off No alarm is generated.

Steady on The rectifier generates an alarm

for power limiting due to ambient

overtemperature.

The rectifier generates an alarm

for shutdown due to ambient

overtemperature or

undertemperature.

The rectifier protects against AC

input overvoltage or undervoltage.

The rectifier is hibernating.

Fault indicator Red Off The rectifier is running properly.

Steady on The rectifier locks out due to

output overvoltage.

The rectifier has no output due to

an internal fault.

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Indicator Color Status Description

Blinking at 4

Hz

The rectifier is loading an

application program.

2.4 SMU

Appearance

Figure 2-4 shows an SMU02B.

Figure 2-4 SMU02B

Panel

Figure 2-5 shows the SMU02B panel.

Figure 2-5 SMU02B panel

(1) Run indicator (2) Minor alarm indicator (3) Major alarm indicator

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(4) Buttons (5) USB port (reserved) (6) RS485/RS232 port

(7) Handle (8) Locking latch (9) FE port

(10) Liquid crystal display (LCD)

Indicators

Table 2-3 describes the indicators on the SMU02B panel.

Table 2-3 SMU02B indicators

Name Color Status Description

Run indicator Green Off The SMU is faulty or has no DC input.

Blinking at

0.5 Hz

The SMU is running properly and

communicating with the host properly.

Blinking at 4

Hz

The SMU is running properly but is not

communicating with the host properly.

Minor alarm

indicator

Yello

w Off The SMU does not generate any minor alarms.

Steady on The SMU generates a minor alarm.

Major alarm

indicator

Red Off No critical or major alarm is generated.

Steady on A critical or major alarm is generated.

Button

Table 2-4 describes the buttons on the SMU02B panel.

Table 2-4 SMU02B buttons

Button Name Description

Up Scrolls up menus or sets parameter values.

Down Scrolls down menus or sets parameter values.

Back Returns to the previous menu without saving the settings.

Confir

m

Enters the main menu from the standby screen.

Enters a submenu from the main menu.

Saves the menu settings.

Note:

The LCD screen becomes dark if no button is pressed within 30 seconds.

You need to log in again if no button is pressed within 1 minute.

The preset user name is admin and preset password is 000001.

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Communications Ports

Table 2-5 describes the communications ports on the SMU02B panel.

Table 2-5 SMU02B communications ports description

Communications Port Communications Parameter

Communications Protocol

FE port 10/100 M auto-adaptation HTTPS, NetEco protocol and

SNMP

RS485/RS232 port Baud rate: 9600 bit/s NetEco protocol

Note:

All these ports are protected by a security mechanism.

Figure 2-6 Pins in the FE port and RS485/RS232 port

Table 2-6 Pin definitions for the FE port

Pin Signal Description

1 TX+ Sends data over the FE.

2 TX-

3 RX+ Receives data over the FE.

6 RX-

4, 5, 7, and 8 Not defined None

Table 2-7 Pin definitions for the RS485/RS232 port


1 TX+ Sends data over RS485.

2 TX-

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4 RX+ Receives data over RS485.

5 RX-

3 RX232 Receives data over RS232.

7 TX232 Sends data over RS232.

6 PGND Connects to the ground.

8 Not defined None

2.5 UIM

Panel

The user interface module (UIM02C) supports eight dry contact outputs, nine Boolean value

inputs (including universal DIN1-6, smoke, water, door status), three analog parameter inputs

(ambient temperature, humidity, and battery temperature).

Figure 2-7 shows a UIM02C panel.

Figure 2-7 UIM02C panel

Ports

Table 2-8 UIM02C ports

Port Type Silk Screen Description

Sensor port TEM-HUM Temperature and humidity sensor

WATER Water sensor

TEMP1 Ambient temperature sensor 1

TEMP2 Ambient temperature sensor 2

GATE Door status sensor

SMOKE Smoke sensor

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Port Type Silk Screen Description

BTEMP Battery temperature sensor

Boolean value

signal ports

DIN1 NOTE

For the associations between the Boolean value signal

ports and alarms, see the appendix. DIN2

DIN3

DIN4

DIN5

DIN6

Dry contact ALM1 NOTE

For the associations between the dry contacts and

alarms, see the appendix. ALM2

ALM3

ALM4

ALM5

ALM6

ALM7

ALM8

Communications

port

COM RS485 port

Pins

Figure 2-8 shows the pin numbers of the sensor ports. Table 2-9 defines the pins.

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Figure 2-8 UIM02C pin numbers

Table 2-9 UIM02C pin definitions

Silkscreen No. Pin Definitions

TEM-HUM 1 12 V

2 ENV_TEMP

3 12 V

4 ENV_HUM

WATER 1 12 V

2 WATER

3 GND

4 Not defined

TEMP1 1 GND

2 TEMP1

TEMP2 1 GND

2 TEMP2

GATE 1 JTD7

2 DIN7+

SMOKE 1 SMOKE

2 12 V

BTEMP 1 GND

2 BTEM1

TP48600B-N16A3

User Manual 3 Safety



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3 Safety

3.1 Health and Safety

3.1.1 Overview

Introduction

This section describes the safety precautions you must take before installing or maintaining

Huawei equipment.

To ensure safety of humans and the equipment, pay attention to the safety symbols on the

equipment and all the safety instructions in this document.

The "CAUTION", "WARNING", and "DANGER" statements in this document do not

represent all the safety instructions.

Installation and maintenance personnel must understand basic safety precautions to avoid

hazards.

When operating Huawei equipment, in addition to following the general precautions in

this document, follow the specific safety instructions given by Huawei.

Only trained and qualified personnel are allowed to install, operate, and maintain Huawei

equipment.

Local Safety Regulations

When operating Huawei equipment, you must follow the local laws and regulations. The

safety instructions in this document are only supplements to the local laws and regulations.

General Requirements

To minimize risk of personal injury and damage to equipment, read and follow all the

precautions in this document before performing any installation or maintenance.

Ensure that the instructions provided in this document are followed completely. This section

also provides guidelines for selecting the measuring and testing devices.

Installation The device (or system) must be installed in an access-controlled location.

The device can be mounted only on concrete or non-combustible surfaces.

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The device must be fixed securely on the floor or to other immovable objects such as

walls and mounting racks before operation.

When installing the unit, always make the ground connection first and disconnect it at

the end.

Do not block the ventilation while the device is operating. Keep a minimum distance of 5

cm between the device and the wall or other objects that may block the ventilation.

Tighten the thumbscrews by using a tool after initial installation and subsequent access

to the panel.

Ground Do not damage the ground conductor or operate the device in the absence of a properly

installed ground conductor. Conduct the electrical inspection carefully.

The device (or system) must be connected permanently to the protection ground before

an operation. The cross-sectional area of the protective ground conductor must be at least

10 mm2.

Power Supply For AC-supplied models: The device applies to TN, TT, or IT power system.

For DC-supplied models: Reinforced insulation or double insulation must be provided to

isolate the DC source from the AC mains supply.

For DC-supplied model: The device applies to DC power source that complies with the

Safety Extra-Low Voltage (SELV) requirements in IEC 60950-1 based safety standards.

Prepared conductors are connected to the terminal block, and only the appropriate

AWG/Type of wire is secured with the lug terminals.

Human Safety Do not operate the device or cables during lightning strikes.

Remove the AC power connector when there is lightning. Do not use fixed terminals or

touch terminals or antenna connectors when there is lightning.

To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to

telecommunication network voltage (TNV) circuits.

Move or lift the chassis by holding its lower edge. Do not hold the handles on certain

modules such as power supply, fans, and boards because they cannot support the weight

of the device.

At least two persons are required to lift the chassis. When lifting it, keep your back

straight and move stably.

Do not wear jewelry or watches when you operate the device.

Operator Only qualified professional personnel are allowed to install, configure, operate, and

disassemble the device.

Only the personnel authenticated or authorized by Huawei are allowed to replace or

change the device of the parts of the device (including the software).

Any fault or error that might cause safety problems must be reported immediately to a

supervisor.

Only qualified personnel are allowed to remove or disable the safety facilities and to

troubleshoot and maintain the device.

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3.1.2 Electrical Safety

High Voltage

The high voltage power supply provides power for the device operation. Direct or indirect

contact (through damp objects) with high voltage and AC mains supply may result in serious

injuries.

During the installation of the AC power supply facility, follow the local safety

regulations. The personnel who install the AC facility must be qualified to perform high

voltage and AC operations.

Do not wear conductive articles, such as watches, hand chains, bracelets, and rings

during the operation.

When water is found in the rack or the rack is damp, switch off the power supply

immediately.

When the operation is performed in a damp environment, make sure that the device is

dry.

Non-standard and improper high voltage operations may result in fire and electric shock.

Therefore, you must abide by the local rules and regulations when bridging and wiring AC

cables. Only qualified personnel are allowed to perform high voltage and AC operations.

Before powering on a device, ground the device. Otherwise, personal injury or device damage

may be caused by high leakage current.

Tools

Dedicated tools must be used during high voltage and AC operations. Avoid using ordinary

tools.

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High Electrical Leakage

Ground the device before powering it on. Otherwise, personal injury or device damage may

be caused by high leakage current.

If a "high electrical leakage" tag is present on the power terminal of the device, you must

ground the device before powering it on.

3.1.3 Inflammable Environment

Operating the electrical device in an inflammable environment can be fatal.

Do not place the device in an environment that has inflammable and explosive air or gas. Do

not perform any operation in this environment.

3.1.4 Battery

Storage Battery

Before operating storage batteries, carefully read the safety precautions for battery handling

and connection.

Improper handling of storage batteries causes hazards.

When operating storage batteries, avoid short circuit and overflow or leakage of the

electrolyte. Electrolyte overflow may damage the device. It will corrode metal parts and

circuit boards, and ultimately damage the device and cause short circuit of circuit boards.

Basic Precautions

Before installing and maintaining the battery, note the following:

Do not wear metal articles such as wristwatch, hand chain, bracelet, and ring.

Use special insulation tools.

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Take care to protect your eyes when operating the device.

Wear rubber gloves and a protective coat in case of electrolyte overflow.

When handling a storage battery, ensure that its electrodes are upward. Leaning or

reversing the storage battery is prohibited.

Short Circuit

Battery short circuit may cause human injuries. Although the voltage of ordinary batteries is

low, the instantaneous high current caused by the short circuit releases a great deal of energy.

There is danger of explosion if the battery is incorrectly replaced. Therefore, replace the

battery only with the same or equivalent type recommended by the manufacturer.

Keep away metal objects, which may cause battery short circuit, from batteries. If metal

objects must be used, first disconnect the batteries in use before performing any other

operations.

Hazardous Gas

Do not use unsealed lead acid storage batteries. Lead acid storage batteries must be placed

horizontally and stably to prevent the batteries from releasing flammable gas, which may

cause fire or erode the device.

Lead acid storage batteries in use emit flammable gas. Therefore, ventilation and

fireproofing measures must be taken at the sites where lead acid storage batteries are used.

Battery Temperature

If a battery overheats, the battery may be deformed or damaged, and the electrolyte may

overflow.

When the temperature of the battery is higher than 60℃, check the battery for electrolyte

overflow. If the electrolyte overflows, absorb and counteract the electrolyte immediately.

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Battery Leakage

If the electrolyte overflows, absorb and counteract the electrolyte immediately.

When moving or handling a battery whose electrolyte leaks, note that the leaking electrolyte

may hurt human bodies. When you find the electrolyte leaks, use the following substances to

counteract and absorb the leaking electrolyte:

Sodium bicarbonate (baking soda): NaHCO3

Sodium carbonate (soda): Na2CO3

Select a substance to counteract and absorb the leaking electrolyte according to the

instructions of the battery manufacturer.

3.1.5 Working at Heights

Avoid object falling when you work at heights.

When working at heights, fulfill the following requirements:

Only trained personnel can work at heights.

Prevent the devices and tools that you carry from falling down.

Take safety and protection measures, for example, wear a helm and safety belt.

Wear warm clothes when working at heights in a cold region.

Before working at heights, check that all the lifting facilities are in good condition.

Hoisting Heavy Objects

Do not walk below the cantilever or hoisted objects when heavy objects are being hoisted.

Only trained and qualified personnel can perform hoisting operations.

Before hoisting heavy objects, check that the hoisting tools are complete and in good

condition.

Before hoisting heavy objects, ensure that the hoisting tools are fixed to a secure object

or wall with good weight capacity.

Issue orders with short and explicit words to avoid misoperations.

Ensure that the angle formed by two cables is not larger than 90 degrees. See Figure 3-1.

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Figure 3-1 Hoisting heavy objects

Using Ladders

Checking a Ladder Before using a ladder, check whether the ladder is damaged. Only the ladder in good

condition can be used.

Before using a ladder, you should know the maximum weight capacity of the ladder.

Avoid overweighting the ladder.

Placing a Ladder

The recommended gradient of ladders is 75 degrees. You can measure the gradient of the

ladder with a right angle or your arms. When using a ladder, ensure that the wider feet of the

ladder are downward, or take protection measures for the ladder feet to prevent the ladder

from sliding. Ensure that the ladder is placed securely.

Climbing Up a Ladder

When climbing up a ladder, note the following:

Ensure that the center of gravity of your body does not deviate from the edges of the two

long sides.

To minimize the risk of falling, hold your balance on the ladder before any operation.

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Do not climb higher than the fourth rung of the ladder (counted from up to down).

If you want to climb up a roof, ensure that the ladder top is at least one meter higher than

the roof.

3.1.6 Mechanical Safety

Drilling Holes

Do not drill the cabinet at will. Drilling holes without complying with the requirements affects

the electromagnetic shielding performance of the cabinet and damages the cables inside the

cabinet. In addition, if the scraps caused by drilling enter the cabinet, the printed circuit

boards (PCBs) may be short circuited.

Before you drill a hole in the cabinet, wear insulated gloves and remove the internal

cables from the cabinet.

Wear an eye protector when drilling holes. This is to prevent your eyes from being

injured by the splashing metal scraps.

Ensure that the scraps caused by drilling do not enter the cabinet.

Drilling holes without complying with the requirements affects the electromagnetic

shielding performance of the cabinet.

After drilling, clean the metal scraps immediately.

Sharp Objects

Before you hold or carry a device, wear protective gloves to avoid getting injured by sharp

edges of the device.

Handling Fans

When handling fans, note the following:

When replacing a component, place the component, screws, and tools in a safe place.

Otherwise, if any of them fall into the operating fans, the fans may be damaged.

When replacing a component near fans, do not insert your fingers or boards into the

operating fans until the fans are switched off and stops running.

Lifting Heavy Objects

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When heavy objects are being lifted, do not stand or walk under the cantilever or the lifted

object.

3.1.7 Bundling Signal Cables

Do not bundle signal cables with high current cables or high voltage cables.

Maintain a minimum space of 150 mm between adjacent ties.

3.2 Equipment Safety

3.2.1 Electricity Safety

High Electrical Leakage

If the "high electrical leakage" tag is present on the power terminal of the device, you must

ground the device before powering it on.

3.2.2 Electrostatic Discharge

The static electricity generated by human bodies may damage the electrostatic-sensitive

components on boards, for example, the large-scale integrated (LSI) circuits.

Human body movement, friction between human bodies and clothes, friction between shoes

and floors, or handling of plastic articles causes static electromagnetic fields on human bodies.

These static electromagnetic fields cannot be eliminated until the static is discharged.

To prevent electrostatic-sensitive components from being damaged by the static on human

bodies, you must wear a well-grounded electrostatic discharge (ESD) wrist strap when

touching the device or handling boards or application-specific integrated circuits (ASICs).

Figure 3-2 shows how to wear an ESD wrist strap.

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Figure 3-2 Wearing an ESD wrist strap

3.2.3 Laying Out Cables

When the temperature is very low, violent strike or vibration may damage the cable sheathing.

To ensure safety, comply with the following requirements:

Cables can be laid or installed only when the temperature is higher than 0℃.

Before laying out cables which have been stored in a temperature lower than 0℃, move

the cables to an environment of the ambient temperature and store them at the ambient

temperature for at least 24 hours.

Handle cables with caution, especially at a low temperature. Do not drop the cables

directly from the vehicle.

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User Manual 4 Maintenance



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4 Maintenance

4.1 Routine Maintenance

Routine maintenance is required periodically based on the site requirements. The

recommended maintenance interval is six months. If any fault is detected, rectify it in time.

Table 4-1 Routine maintenance checklist

Maintenance Item

Maintenance Task

Check Whether

Check Method

Repair When Measures

Cabinet door

lock

The door lock is

damaged.

Observing and

using the lock

The door lock is

too damaged to

use.

Replace the

door lock.

Electrical

specifications

The output

voltage is

normal.

Using a

multimeter

The output

voltage exceeds

the threshold.

For details, see

4.2 Rectifying

Common

Faults. Preventive

maintenance

inspection

(PMI)

The fault

indicator is

normal and the

LCD displays

an alarm.

Observing the

indicators

An alarm is

generated.

Appearance The paint or

electroplated

coating on the

cabinet flakes

off or has

scratches.

Observing the

appearance

The surface is

damaged or

distorted.

Repaint or

repair the

shell.

Grounding The ground

point properly

connects to the

ground bar in

the equipment

room.

Observing the

grounding and

using a

screwdriver or

wrench.

The cable

connecting the

ground point and

the ground bar in

the equipment

room is damaged

or loose.

Secure or

replace the

cable.

TP48600B-N16A3




26

4.2 Rectifying Common Faults

4.2.1 Mains Failure

Possible Causes The AC input power cable is faulty.

The AC input circuit breaker is OFF.

The mains grid is faulty.

Measures

1. Check whether the AC input cable is loose. If yes, secure the AC input cable.

2. Check whether the AC input circuit breaker is OFF. If yes, handle the back-end circuit

failure and then switch on the circuit breaker.

3. Check whether the AC input voltage is lower than 50 V AC. If yes, handle the mains

grid fault.

4.2.2 AC Over Volt

Possible Causes The AC overvoltage alarm threshold is not set properly on the SMU.

The power grid is faulty.

Measures

1. Check whether the AC overvoltage alarm threshold is properly set. If no, adjust it to a

proper value.

2. Check whether the AC input voltage exceeds the AC overvoltage alarm threshold (280 V

AC by default). If yes, handle the AC input fault.

4.2.3 AC Under Volt

Possible Causes The AC undervoltage alarm threshold is not set properly on the SMU.

The power grid is faulty.

Measures

1. Check whether the AC undervoltage alarm threshold is properly set. If no, adjust it to a

proper value.

2. Check whether the AC input voltage is below the AC undervoltage alarm threshold (180

V AC by default). If yes, handle the AC input fault.

4.2.4 Phase A/B/C Failure

Possible Causes The AC input power cable is faulty.

TP48600B-N16A3




27

The rectifier is in poor contact.

The monitoring unit is faulty.

Measures

1. Check whether the AC input power cable is correctly and securely installed. If no,

reinstall the cable. If the insulation layer deteriorates, replace the cable.

2. Check whether a short circuit occurs in the AC input power cable or the insulation layer

is damaged. If yes, replace the cable.

3. If the AC input is normal and the Alarm indicators on certain rectifiers are steady yellow,

reinstall the rectifiers.

4. If the alarm persists, replace the monitoring unit.

4.2.5 DC Over Volt

Possible Causes The DC overvoltage alarm threshold is not set properly on the SMU.

Rectifiers are faulty.

The power system voltage is set too high in manual mode.

Measures

1. Check whether the DC overvoltage alarm threshold is properly set. If no, adjust it to a

proper value.

2. Remove the rectifiers one by one and check whether the alarm is cleared. If the alarm

still exists, reinstall the rectifier. If the alarm is cleared, replace the rectifier.

3. Check whether the system voltage is set too high in manual mode. If yes, confirm the

reason and adjust the voltage to normal after the operation.

4.2.6 DC Under Volt

Possible Causes An AC power failure occurs.

The DC undervoltage alarm threshold is not set properly on the SMU.

Rectifiers are faulty.

The system configuration is not proper.

The power system voltage is set too low in manual mode.

Measures

1. Check whether an AC power failure occurs. If yes, resume the AC power supply.

2. Check whether the DC undervoltage alarm threshold is properly set. If no, adjust it to a

proper value.

3. Check whether the power system capacity is insufficient for the loads due to rectifier

failures. If yes, replace the faulty rectifier.

4. Check whether the load current is greater than the current power system capacity. If yes,

expand the power system capacity or reduce the load power.

TP48600B-N16A3




28

5. Check whether the system voltage is set too low in manual mode. If yes, confirm the

reason and adjust the voltage to a proper value after the operation.

4.2.7 Amb. Over Temp

This alarm is generated only for the power system that has ambient temperature sensors installed.

Possible Causes The ambient overtemperature alarm threshold is not set properly on the SMU.

The temperature control system is faulty in the cabinet where the ambient temperature

sensor is located.

The ambient temperature sensor is faulty.

Measures

1. Check whether the ambient temperature alarm threshold is properly set on the SMU. If

no, adjust it based on site requirements.

2. Check whether the temperature control system in the cabinet is faulty. If yes, rectify the

fault. The alarm is cleared when the cabinet temperature falls within the allowed range.

3. Check whether the ambient temperature sensor is faulty. If yes, replace the temperature

sensor.

4.2.8 Amb. Under Temp

This alarm is generated only for the power system that has ambient temperature sensors installed.

Possible Causes The ambient undertemperature alarm threshold is not set properly on the SMU.

The temperature control system is faulty in the cabinet where the ambient temperature

sensor is located.

The ambient temperature sensor is faulty.

Measures

1. Check whether the ambient undertemperature alarm threshold is properly set on the

SMU. If no, adjust it based on site requirements.

2. Check whether the temperature control system in the cabinet is faulty. If yes, rectify the

fault. The alarm is cleared when the cabinet temperature falls within the allowed range.

3. Check whether the ambient temperature sensor is faulty. If yes, replace the ambient

temperature sensor.

4.2.9 Amb. Over Humi

This alarm is generated only for the power system that has humidity sensors installed.

Possible Causes The ambient overhumidity alarm threshold is not set properly on the SMU.

TP48600B-N16A3




29

The humidity is too high in the cabinet where the humidity sensor is located.

The humidity sensor is faulty.

Measures

1. Check whether the ambient overhumidity alarm threshold is properly set on the SMU. If

no, adjust it based on site requirements.

2. Check whether water intrudes into the cabinet. If yes, wipe the water with dry cotton or

other tools and rectify the fault.

3. Check whether the humidity sensor is faulty. If yes, replace the humidity sensor.

4.2.10 Amb. Under Humi

This alarm is generated only for the power system that has humidity sensors installed.

Possible Causes The ambient underhumidity alarm threshold is not properly set on the SMU.

The humidity is too low in the cabinet where the humidity sensor is located.

The humidity sensor is faulty.

Measures

1. Check whether the ambient underhumidity alarm threshold is properly set on the SMU.

If no, adjust it based on site requirements.

2. Check whether the cabinet humidity is too low. If yes, adjust the cabinet humidity. The

alarm is cleared when the humidity falls within the allowed range.

3. Check whether the humidity sensor is faulty. If yes, replace the humidity sensor.

4.2.11 Door Alarm

This alarm is generated only for the power system that has door status sensor installed.

Possible Causes The cabinet doors are open.

The door status sensor is faulty.

Measures

1. Close cabinet doors.

2. Check whether the door status sensor is faulty. If yes, replace the door status sensor.

4.2.12 Water Alarm

This alarm is generated only for the power system that has water sensors installed.

Possible Causes Water intrudes into the cabinet.

TP48600B-N16A3




30

The water sensor is faulty.

Measures

1. Check whether water intrudes into the cabinet. If yes, wipe the water with dry cotton or

other tools and rectify the fault.

2. Check whether the water sensor is faulty. If yes, replace the water sensor.

4.2.13 Smoke Alarm

This alarm is generated only for the power system that has smoke sensors installed.

Possible Causes There is smoke inside the cabinet.

The smoke sensor is faulty.

Measures

1. Check whether there is smoke inside the cabinet. If yes, disconnect the power supply

from the cabinet, handle the fault, and then resume system operation.

2. Check whether the smoke sensor is faulty. If yes, replace the smoke sensor.

4.2.14 Rectifier Lost

Possible Causes Certain rectifiers are not powered on.

The rectifier is faulty.

The subrack or slot connector is faulty.


Measures

1. Check whether the circuit breakers corresponding to undetected rectifiers are ON. If no,

switch them on.

2. Check whether the rectifier is removed. If yes, find the cause and reinstall it.

3. Replace the rectifier if it is faulty.

4. Check whether certain rectifiers in the rectifier subrack do not work properly. If yes,

remove the rectifiers that do not work and check whether their slot connectors are

damaged or deformed. If yes, repair or replace the subrack or slot connectors.

5. If the alarm persists after the preceding measures are taken and the monitoring unit is

restarted, replace the monitoring unit.

4.2.15 Single Rect Fau

Possible Causes The subrack or slot connector is faulty.


TP48600B-N16A3




31


Measures

1. Remove the rectifier and check whether the slot connector is damaged or deformed. If

yes, repair or replace the subrack or slot connector.

2. If the alarm persists after the rectifier is reinstalled, replace the rectifier.

3. If the alarm persists after the monitoring unit is restarted, replace the monitoring unit.

4.2.16 Multi-Rect Fault

Possible Causes The subrack or slot connector is faulty.



Measures

1. Remove the rectifier and check whether the slot connector is damaged or deformed. If

yes, repair or replace the subrack or slot connector.

2. If the alarm persists after the rectifier is reinstalled, replace the rectifier.

3. If the alarm persists after the monitoring unit is restarted, replace the monitoring unit.

4.2.17 Rect Fault

Possible Causes The rectifier is in poor contact.


Measures

1. Check the Fault indicator on the rectifier panel. If it is steady red, remove the rectifier,

and then reinstall it after the indicator turns off.

2. If the alarm still exists, replace the rectifier.

4.2.18 Rect Protect

Possible Causes The rectifier input voltage is too high.

The rectifier input voltage is too low.

The ambient temperature is too high.


Measures

1. Check whether the AC input voltage exceeds the upper threshold of the rectifier working

voltage. If yes, rectify the power supply fault and then resume the power supply.

TP48600B-N16A3




32

2. Check whether the AC input voltage is below the lower threshold of the rectifier working

voltage. If yes, rectify the power supply fault and then resume the power supply.

3. Check whether the ambient temperature is higher than the normal operating temperature

of the rectifier. If yes, rectify the temperature unit fault.

4. Remove the rectifier that generates the alarm and reinstall it after the indicator turns off.

If the alarm still exists, replace the rectifier.

4.2.19 Rect Comm Fault

Possible Causes The rectifier is removed.

The rectifier is in poor contact.


Measures

1. Check whether the rectifier is removed. If yes, reinstall it.

2. If the rectifier is in position, remove the rectifier and reinstall it.

3. If the alarm still exists, replace the rectifier.

4.2.20 DC SPD Alarm

Possible Causes The DC SPD detection cable is disconnected.

The DC SPD is faulty.

Measures

1. Check whether the DC SPD detection cable is disconnected. If yes, reconnect the cable.

2. Check whether the DC SPD detection cable is disconnected. If no, replace the DC SPD.

4.3 Identifying Component Faults

4.3.1 Identifying Circuit Breaker Faults

The following lists main circuit breaker faults:

The circuit breaker cannot be switched to ON/OFF after the short circuit fault for its end

circuit is rectified.

When the circuit breaker is switched to ON and its input voltage is normal, the voltage

between the two ends of the circuit breaker exceeds 1 V.

The input voltage is normal, but the resistance between both ends of the circuit breaker is

less than 1 kohm when the circuit breaker is OFF.

4.3.2 Identifying Rectifier Faults

If any of the following occurs, the rectifier is faulty:

TP48600B-N16A3




33

The AC input and slot connector are normal, but the Fault indicator (red) is steady on or

all indicators are off.

The slot connector and monitoring unit are normal, but the Alarm indicator (yellow) still

blinks after the rectifier is reseated.

The AC input and monitoring unit are normal, but the monitoring unit cannot control the

rectifier.

4.3.3 Identifying SMU Faults

The following are the main symptoms of SMU faults.

The DC output is normal while the green indicator on the SMU is off.

The SMU breaks down or cannot be started. Its LCD has abnormal display or buttons

cannot be operated.

With the alarm reporting enabled, the SMU does not report alarms when the power

system is faulty.

The SMU reports an alarm while the power system does not experience the fault.

The SMU fails to communicate with the connected lower-level devices while the

communications cables are correctly connected.

Communication between the SMU and all rectifiers fails while both the rectifiers and the

communications cables are normal.

The SMU cannot detect the DC power distribution while the communications cables and

the DC power distribution is normal.

Parameters cannot be set or running information cannot be viewed on the SMU.

4.4 Replacing Components

4.4.1 Replacing a Rectifier

Prerequisites Prepare an ESD wrist strap, a pair of protective gloves, an ESD box or bag, and the

cabinet door key.

Check that the new rectifier is intact.

Protect yourself from being burnt when removing the rectifier as it has a high temperature.

Procedure

Step 1 Unscrew the rectifier panel using a screwdriver.

Step 2 Gently pull the handle outwards, and then remove the rectifier from the subrack, as shown in

Figure 4-1.

TP48600B-N16A3




34

Figure 4-1 Removing a rectifier

Step 3 Insert a new rectifier into the subrack. Then loosen the screws on the handle and pull out the

handle.

Step 4 Push the rectifier into the subrack slowly along the guide rail. Then lock the handle.

Step 5 Tighten the screws on the handle, as shown in Figure 4-2.

Figure 4-2 Installing a new rectifier

----End

Follow-up Procedure

Repair the replaced rectifier.

TP48600B-N16A3




35

4.4.2 Replacing an SMU

Prerequisites Prepare the cabinet door key and maintenance tool box.

Check that the new SMU is intact.

Procedure

Step 1 Push the locking latch towards the left.

Step 2 Pull the handle outwards to remove the SMU, as shown in Figure 4-3.

Figure 4-3 Removing an SMU

Step 3 Insert a new SMU into the subrack, push the locking latch towards the left, and pull out the

handle.

Step 4 Slide the new SMU into the subrack slowly along the guide rail, and then push the locking

latch towards the right.

Step 5 Reset parameters on the SMU.

Figure 4-4 Installing an SMU

----End

Follow-up Procedure

Repair the replaced SMU.

TP48600B-N16A3




36

4.4.3 Replacing a UIM

Prerequisites Prepare an electrostatic discharge (ESD) wrist strap, an ESD box or bag, the cabinet door

key, and maintenance tool box.

Check that the new user interface module (UIM) is intact.

Procedure

Step 1 Connect the ground cable to the ESD wrist strap and wear the ESD wrist strap and ESD

gloves.

Step 2 Record the position where the UIM02C panel connects to the signal cable, and then

disconnect the signal cable.

Step 3 Unscrew the UIM02C panel and take out the UIM02C, as shown in Figure 4-5.

Figure 4-5 Taking out the UIM02C

Step 4 Disconnect the -48 V power cable from the UIM02C backplane.

TP48600B-N16A3




37

Figure 4-6 Disconnecting the -48 V power cable

Step 5 Record the positions where the UIM02C backplane connects to all the cables, and then

disconnect the cables.

Step 6 Remove the UIM02C, as shown in Figure 4-7.

Figure 4-7 Removing the UIM02C

Step 7 Take out and then install the new UIM02C.

Step 8 Connect all cables on the UIM02C backplane to the new UIM02C based on the recorded

information.

Step 9 Connect the -48 V power cable to the UIM02C backplane.

Step 10 Push in the UIM02C and secure the screws.

Step 11 Connect the signal cable to the UIM02C panel based on the record made previously.

Step 12 Disconnect the ground cable from the ESD wrist strap and take off the ESD wrist strap and

ESD gloves.

----End

TP48600B-N16A3




38

Follow-up Procedure

Return the faulty UIM02C for repair.

4.4.4 Replacing a Circuit Breaker

Prerequisites

Before replacing an AC circuit breaker, switch off the input circuit breaker on the upper-level

device.

Prepare the cabinet door key, insulation tapes, and maintenance tool box.

Check that the new circuit breaker is intact.

Procedure

Step 1 Switch off the circuit breaker that is to be replaced.

Step 2 Loosen the screws that secure the output cables and signal cable terminals using a Phillips

screwdriver and remove the cables and signal cable terminals. Wrap the cables and terminals

using the insulation tapes to prevent hazards.

Step 3 Loosen the screws that secure the input copper bars using a Phillips screwdriver and then

loosen the buckle at the circuit breaker base using an insulated flat-head screwdriver.

Step 4 Remove the circuit breaker from the guide rail. Figure 4-8 shows the procedure for removing

the circuit breaker.

Figure 4-8 Removing the circuit breaker

Step 5 Switch off the new circuit breaker. Press the buckle at the circuit breaker base using an

insulated flat-head screwdriver and install the new circuit breaker. Then loosen the buckle and

secure the circuit breaker along the guide rail.

Step 6 Tighten the screws that secure the input copper bars.

TP48600B-N16A3




39

Step 7 Remove the insulation tapes from the output cables and signal cable terminals. Then connect

the output cable and signal cable terminals to the output end of the circuit breaker and tighten

the screws.

Step 8 Switch on the circuit breaker. Figure 4-9 shows the procedure for installing the new circuit

breaker.

Figure 4-9 Installing the circuit breaker

----End

TP48600B-N16A3

User Manual A Technical Specifications



40

A Technical Specifications

A.1 Environmental Specifications

Table A-1 Environmental specifications

Item Specifications

Operating

temperature

–10℃~+50℃

Transportation

temperature

–40℃~+70℃

Storage

temperature

–40℃~+70℃

Operating

humidity

5%~95%

Storage

humidity

5%~95%

Altitude 0m~4000 m

When the altitude ranges from 2000 m to 4000 m, the operating

temperature decreases by 1℃ for each additional 200 m.

A.2 Electrical Specifications

Table A-2 Electrical specifications

Item Specifications

AC input Input system and voltage

Input voltage range

220/380 V AC three-phase, four-wire

85 V AC~300 V AC (phase voltage)

Input frequency Range: 45-66 Hz; nominal frequency:

50/60 Hz

TP48600B-N16A3




41

Item Specifications

Power factor ≥ 0.99 (Rated input and full load)

Total harmonic distortion

(THD)

≤ 10% (Vin = 208 V AC, 220 V AC, 230

V AC, 50%-100% load)

DC output Output voltage range -42 V DC to -58 V DC

Default output voltage -53.5 V DC

Output power Maximum output power = Output power

of a single rectifier x Number of

rectifiers

Regulated voltage

precision

≤ ±1%

Ripple and noise ≤ 200 mVp-p

Noise weighting ≤ 2 mV

Imbalance of load sharing < ±5% (20%-100% loaded)

AC input

protection

AC input overvoltage

protection threshold

> 300 V AC

AC input overvoltage

recovery threshold

When the voltage is restored to 290 V

AC, the output resumes.

AC input undervoltage


< 85 V AC

AC input undervoltage

recovery threshold

When the voltage is restored to 90 V AC,

the output resumes.

DC output

protection

DC output overvoltage


Range: 58.5-60.5 V DC

If an overvoltage occurs due to an

internal fault in a rectifier, the

rectifier locks out.

If the external voltage is higher than

63 V for more than 500 ms, the

rectifier locks out.

DC surge

protection

Differential mode: 10 kA (8/20 µs); common mode: 20 kA (8/20 µs)

Safety and

regulatory design

Complies with the IEC/EN60950-1.

Mean time

between failures

(MTBF)

200,000 hours (at 25℃)

TP48600B-N16A3




42

A.3 Electromagnetic Compatibility Specifications

Table A-3 Electromagnetic compatibility (EMC) specifications

Item Specifications

Electromagnetic

interference (EMI) Conducted emission (CE) Class A, EN300386

Radiated emission (RE) Class A, EN300386

Harmonic IEC 61000-3-12

Fluctuation and flick IEC61000-3-11

Electromagnetic

susceptibility (EMS)

Electrostatic discharge

(ESD)

Cabinet Port: IEC61000-4-2, criterion

B

Contact discharge: 6 kV; air

discharge: 8 kV

Signal port: IEC61000-4-2, criterion

R

Contact discharge: 2 kV

Electrical fast transient

(EFT)

EN61000-4-4, criterion B

Signal port: 1 kV; AC power port: 2

kV; DC power port: 2 kV

Radiated susceptibility

(RS)

IEC61000-4-3, LEVEL3, criterion A

Field strength: 10 V/m

Conducted susceptibility

(CS)

IEC6100-4-6, criterion A

Signal port: 3 V; power port: 10 V

Surge susceptibility EN61000-4-5, criterion B

AC and DC power ports: differential

mode: 6 kV; common mode: 6 kV.

Signal port: differential mode: 1 kV;

common mode: 2 kV

A.4 Cabinet Specifications

Table A-4 Cabinet Specifications

Item Specifications

Dimensions (H x W x D) 1600 mm x 600 mm x 400 mm

Weight ≤ 100 kg (excluding the weight of rectifiers)

Protection level IP20

Installation mode Can be installed on a concrete or wooden floor.

TP48600B-N16A3




43

Item Specifications

Maintenance mode Maintained from the front and located along a wall with

at least 100 mm away from the wall.

Cable routing Routed in and out through the bottom.

Heat dissipation Natural cooling

A.5 Rectifier Specifications

Table A-5 Rectifier specifications

Item R4850G1

Efficiency Highest efficiency: ≥ 96%;

≥ 95% (230 V AC, 20% to 90% loaded)

Output power 3000 W (176-300 V AC);

1200 W (85-175 V AC linear derating)

Dimensions (H x W x D) 88.9 mm × 103 mm × 243 mm

Weight ≤ 2.8 kg

TP48600B-N16A3

User Manual B Electrical Conceptual Diagram



44

B Electrical Conceptual Diagram

Figure B-1 shows the electrical conceptual diagram of TP48600B-N16A3.

Figure B-1 Electrical conceptual diagram

TP48600B-N16A3

User Manual

C Associations Between Alarms and Dry Contacts on the

UIM



45

C Associations Between Alarms and Dry Contacts on the UIM

Table C-1 Associations Between Alarms and Dry Contacts

Port Type Silk Screen Associated Alarm

Boolean value

input ports

DIN1 Boolean value input 1






Dry contact output

ports

Default mode

(Close: alarm;

Open: normal) can

be modified as

required.

ALM1 Reports alarms for Single rectifier Fault, Multi

rectifier Fault, and AC power outages

ALM2 Reserved

ALM3 Reserved

ALM4 Reports alarms for DC overvoltage and

undervoltage.

ALM5 Reports alarms for SPD fault.

ALM6 Reserved

ALM7 Reserved

ALM8 Reports alarms for SMU interior fault.

TP48600B-N16A3

User Manual D Acronyms and Abbreviations



46

D Acronyms and Abbreviations

EMC electromagnetic compatibility

EMI electromagnetic interference

EMS electromagnetic susceptibility

HTTPS hypertext transfer protocol secure

IEC international electrotechnical commission

LCD liquid crystal display

PDU power distribution unit

PSU power supply unit

SMU site monitoring unit

SNMP simple network management protocol

SPD surge protection device

tp48600b-n16a3 v300r001c07 user manual 02

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