TP48200A-HT15D3 Telecom Power (Russia, Megafon)
User Manual
4 Maintenance
Issue 03 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
61
Procedure
Step 1
Disconnect the –48V power cable from the UIM02C.
1.
Connect the ground cable to the ESD wrist strap and wear the ESD wrist strap and ESD
gloves.
2.
Record the position where the UIM02C panel connects to the signal cable, and then
disconnect the signal cable.
3.
Unscrew the UIM02C panel and take out the UIM02C, as shown in Figure 4-6.
4.
Remove the –48V power cable from the UIM02C, as shown in Figure 4-7.
Step 2
Disconnect the wiring terminal for the fan.
Step 3
Unscrew the top baffle and remove the baffle, as shown in Figure 4-11.
Figure 4-11
Removing the top baffle
Step 4
Record the fan installation direction (see the arrow marks on the fan), remove screws, and
take off the fan guard cover and fan, as shown in Figure 4-12.