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.
64
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.
Figure 4-4
Installing an SMU
----End
Follow-up Procedure
Pack the removed component and send it to the local Huawei warehouse.
4.4.3 Replacing an AC SPD
Prerequisites
An ESD wrist strap, ESD gloves, ESD box or bag, required tools, and cabinet door key
are available.
The new AC SPD is intact and the indication window is green.