Table Of Contents - Huawei TP48200A-D17B3 Troubleshooting Manual

Table of Contents

TP48200A-D17B3

Troubleshooting Guide

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

1 Safety Precautions ......................................................................................................................... 1

1.1 Overview .......................................................................................................................................................... 1

1.2 Local Safety Regulations ................................................................................................................................. 1

1.3 Grounding Requirements ................................................................................................................................. 1

1.4 Human Safety ................................................................................................................................................... 2

1.5 Equipment Safety ............................................................................................................................................. 2

1.6 Electrical Safety ............................................................................................................................................... 2

1.7 Battery Operation Safety .................................................................................................................................. 4

1.8 Hoisting Heavy Objects ................................................................................................................................... 5

1.9 Using Ladders .................................................................................................................................................. 6

1.10 Moving Heavy Objects ................................................................................................................................... 7

1.11 Handling Fans ................................................................................................................................................ 7

1.12 Laying Cables ................................................................................................................................................. 8

2 TP48200A-D17B3 Overview ........................................................................................................ 9

2.1 Typical Networking .......................................................................................................................................... 9

2.2 Physical Structure ............................................................................................................................................. 9

2.3 Monitoring Unit ............................................................................................................................................. 11

2.3.1 Appearance ............................................................................................................................................ 11

2.3.2 Components .......................................................................................................................................... 11

2.4 PMU ............................................................................................................................................................... 11

2.5 UIM 02A ........................................................................................................................................................ 13

2.6 Network Diagrams ......................................................................................................................................... 14

2.7 AC Detection Board ....................................................................................................................................... 15

2.8 PSU ................................................................................................................................................................ 16

3 Preparations.................................................................................................................................. 18

3.1 Getting Familiar with Sites ............................................................................................................................ 18

3.2 Preparing Tools .............................................................................................................................................. 18

4 Troubleshooting .......................................................................................................................... 20

4.1 Overview ........................................................................................................................................................ 20

4.2 Common Troubleshooting Procedure ............................................................................................................. 21

Issue 03 (2013-05-06)

Huawei Proprietary and Confidential

Contents