TP48200A-HT19C3 and TP48200A-HT19C4 Telecom
Power
User Manual
4 Maintenance
Issue 03 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
57
Figure 4-2
Installing a rectifier
Step 7
Remove the protective gloves.
----End
Follow-up Procedure
Pack the removed component and send it to the local Huawei warehouse.
4.4.2 Replacing an SMU
Prerequisites
The cabinet door key is available.
The new SMU is intact.
Procedure
Step 1
Push the locking latch towards the left.
Step 2
Pull the handle outwards and remove the SMU, as shown in Figure 4-3.
Figure 4-3
Removing an SMU
Step 3
Insert the new SMU into the subrack, push the locking latch towards the left, and pull out the
handle.
Step 4
Slide the SMU into the subrack slowly along the guide rails, push in the handle, and then push
the locking latch towards the right.
Step 5
Reset the parameters on the SMU.