TP48200A-DX12A1 Telecom Power
User Manual
Copyright © Huawei Technologies Co., Ltd.
Procedure
Step 1 Loosen the screws and remove the front cover from the circuit breaker.
Step 2 Hold the faulty circuit breaker and pull it out, as shown in the following figure.
Figure 4-5 Removing a plug-in circuit breaker
Step 3 Switch off the new circuit breaker and install it in the correct position.
Step 4 Switch on the new circuit breaker.
Step 5 Tighten the screws and install the front cover on the circuit breaker.
----End
4.4.4 Replacing the PCB of UIM02C
Prerequisites
An ESD wrist strap, ESD gloves, ESD box or bag, cabinet door key, and required tools
are available.
The new printed circuit board (PCB) of UIM02C is intact.
Procedure
Step 1 Connect the ground cable of the ESD wrist strap, and wear the ESD wrist strap and ESD
gloves.
Step 2 Record the signal cable connection positions on the UIM02C panel and disconnect the cables.
Step 3 Unscrew the UIM02C panel and remove the UIM02C, as shown in Figure 4-6.
To Next Page
Loading...
Need help?
General