Huawei Telecom Power TP48120A-HD15A1 - Replacing an AC SPD Module

TP48120A-HD15A1, TP48120A-HD15A2,
TP48200A-HD15A1, and TP48200A-HD15A2 Telecom
Power
User Manual
4 Maintenance
Issue 03 (2020-01-04)
Copyright © Huawei Technologies Co., Ltd.
57
Follow-up Procedure
Pack the removed component, and return it to Huawei local warehouse.
4.4.5 Replacing an AC SPD Module
Prerequisites

You have obtained an ESD wrist strap or a pair of ESD gloves, an ESD box or bag, and
the cabinet door key.

The new AC SPD module is intact and the indication window is green.
Do not replace an AC SPD module during a thunderstorm.
Procedure
Step 1 Connect the ground cable to the ESD wrist strap and wear the ESD wrist strap and ESD
gloves.
Step 2 Hold down the faulty AC SPD module and pull it out, as shown in Figure 4-10.
Step 3 Install a new AC SPD module, as shown in Figure 4-10.
Figure 4-10 Replacing an AC SPD module
Step 4 Disconnect the ground cable from the ESD wrist strap and take off the ESD wrist strap and
ESD gloves.
----End
Follow-up Procedure
Check that the alarm for the AC SPD is cleared.