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TP48200A-HT15D3 Telecom Power (Russia, Megafon)
User Manual
4 Maintenance
Issue 03 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
64
Figure 4-14
Installing a new external fan
Step 5
Connect the wiring terminal for the fan. The two terminals for fans can be exchanged.
Step 6
Connect the –48 V power cable to the UIM02C.
Step 7
Push in the UIM02C and secure the screws.
Step 8
Connect the signal cable to the UIM02C panel based on the record made previously.
Step 9
Disconnect the ground cable from the ESD wrist strap and take off the ESD wrist strap and
ESD gloves.
----End
4.4.8 Replacing the Heat Exchanger Core
Prerequisites
Protect yourself against being burnt when removing the heat exchanging core as it has a high
temperature.
You have obtained an ESD wrist strap, a pair of ESD gloves, a pair of protective gloves, the
cabinet door key and maintenance tool box.
Context
You do not need to disconnect the AC input for the system.
Procedure
Step 1
Disconnect the –48V power cable from the UIM02C.