TP48200A-HT19C3 and TP48200A-HT19C4 Telecom
Power
User Manual
4 Maintenance
Issue 03 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
62
Figure 4-9
Removing the –48 V power cable
Step 5
Record the positions where the PCB of UIM02C connects to all the cables, and then
disconnect the cables.
Step 6
Remove the PCB, as shown in Figure 4-10.
Figure 4-10
Removing the PCB of UIM02C
Step 7
Take out the new PCB and install it.
Step 8
Connect all cables back to the new PCB based on the record made previously.
Step 9
Connect the –48 V power cable to the PCB of UIM02C.
Step 10
Push in the UIM02C and tighten the screws.
Step 11
Reconnect signal cables to the UIM02C panel based on the recorded information.
Step 12
Disconnect the ground cable from the ESD wrist strap, and remove the ESD wrist strap and
ESD gloves.
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