TP48200A-HT15D3 Telecom Power (Russia, Megafon)
User Manual
4 Maintenance
Issue 03 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
55
Do not replace an AC SPD module during a thunderstorm.
Procedure
Step 1
Connect the ground cable of the ESD wrist strap, and wear the ESD wrist strap and ESD
gloves.
Step 2
Press the top and bottom of the faulty AC SPD module and pull it out, as shown in Figure 4-3.
Step 3
Install the new AC SPD module, as shown in Figure 4-3.
Figure 4-3
Replacing an AC SPD module
Step 4
Disconnect the ground cable of the ESD wrist strap, and remove the ESD wrist strap and ESD
gloves.
----End
Follow-up Procedure
Check that the alarm for the AC SPD is cleared.
4.4.3 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.
The new circuit breaker is intact and has the same specifications as the circuit breaker to
be replaced.