Replacing An Ac Spd - Huawei TP48200A-HX09A2 User Manual

TP48200A-HX09A2, TBC300A-TCA2 Outdoor Power
System
User Manual
Figure 4-7 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.
----End
Follow-up Procedure
Pack the removed component and return it to the local Huawei warehouse.

4.4.4 Replacing an AC SPD

Prerequisites


Do not replace an AC SPD during a thunderstorm.
Procedure
Step 1 Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD
gloves.
Step 2 Push down on the faulty AC SPD and pull it out, as shown in
Issue 02 (2019-02-26)
An ESD wrist strap, ESD gloves, ESD box or bag, required tools, and cabinet door key
are available.
The new AC SPD is intact and the indication window is green.
Copyright © Huawei Technologies Co., Ltd.
4 Maintenance
Figure 4-8.
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