TP48200A-DT19C1, TP48200A-DT19C2,
TP48200A-HT19C1 and TP48200A-HT19C2 Telecom
Power
User Manual
4 Maintenance
Issue 03 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
65
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 Figure 4-5.
Step 3
Install the new AC SPD, as shown in Figure 4-5.
Figure 4-5
Replacing an AC SPD
Step 4
Disconnect the ground cable for the ESD wrist strap, and remove the ESD wrist strap and
gloves.
----End
Follow-up Procedure
Check that the alarm for the AC SPD is cleared.
4.4.4 Replacing a Circuit Breaker
Prerequisites
Before replacing an AC circuit breaker, switch off the upstream input circuit breaker.
The cabinet door key, insulation tape, and required tools are available.