Huawei TP482000B Series - Page 6

TP482000B V300R002C03 Telecom Power
(TP482000B-N20B1, TP482000B-N20B2,
TP481200B-N20B1, and TP481200B-N20B2)
User Manual
Contents
Issue 07 (2020-04-10)
Copyright © Huawei Technologies Co., Ltd.
v
6.6 Cables ..................................................................................................................................................................51
7 Parts Replacement .................................................................................................................. 53
7.1 Replacing a Rectifier ............................................................................................................................................53
7.2 Replacing the SMU05A ........................................................................................................................................54
7.2.1 Replacing the Main Control Board .....................................................................................................................54
7.2.2 Replacing the LCD ............................................................................................................................................58
7.2.3 Replacing the Button Board ...............................................................................................................................60
7.3 Replacing the Power Distribution Monitoring Unit ................................................................................................62
7.3.1 Replacing the Signal Sampling Board ................................................................................................................62
7.3.2 Replacing the LCD ............................................................................................................................................67
7.3.3 Replacing the Button Board ...............................................................................................................................69
7.3.4 Replacing the Signal Transfer Board ..................................................................................................................71
7.4 Replacing an AC SPD ...........................................................................................................................................74
7.5 Replacing a Circuit Breaker ..................................................................................................................................75
7.6 Replacing a Fuse ..................................................................................................................................................77
8 Emergency Handling ............................................................................................................. 80
8.1 Background ..........................................................................................................................................................80
8.2 AC Power Distribution Faults ...............................................................................................................................80
8.3 AC Power Failure .................................................................................................................................................80
8.4 DC Power Distribution Faults ...............................................................................................................................80
8.5 Disasters...............................................................................................................................................................81
A Technical Specifications ....................................................................................................... 82
B Electrical Conceptual Diagram ............................................................................................ 87
C Engineering Design Drawings ............................................................................................ 93
D Maintenance Record Forms ................................................................................................. 95
E Acronyms and Abbreviations ............................................................................................ 100