Huawei Telecom Power TP48120A-HD15A1 User Manual page 61

TP48120A-HD15A1, TP48120A-HD15A2,
TP48200A-HD15A1, and TP48200A-HD15A2 Telecom
Power
User Manual
Context
The SMU is not hot-swappable. You do not need to disconnect the AC input to the power
system.
Procedure
Step 1 Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD
gloves.
Step 2 Flip the battery switch to MANUAL.
Step 3 Record the position of the signal cable connected to the SMU06C, and disconnect the signal
cable.
Step 4 Unscrew and remove the SMU06C, as shown in
Step 5 Disconnect cables from all the input ports on the SMU06C backplane.
Step 6 Record the positions of all cables connected to the fan extended board, label the cables, and
remove the cables.
Step 7 Unscrew and remove the fan extended board, as shown in
Figure 4-7 Removing a fan extended board
Step 8 Place the new fan extended board, and tighten the screws.
Step 9 Connect all the disconnected cables to the new fan extended board based on the recorded
information.
Step 10 Connect cables to all the input ports on the SMU06C backplane.
Step 11 Insert the SMU06C, and tighten the screws.
Step 12 Connect the signal cable to the SMU06C based on the recorded information.
Step 13 Flip the battery switch back to AUTO.
Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
Figure 4-3.
Figure 4-7.
4 Maintenance
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