TP48200A-DX08A1 and TP48200A-DX08A2 Telecom
Power
User Manual
4 Maintenance
Issue 06 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
53
Figure 4-13
Jumper caps on the TCUC control board
Step 4
Install a new TCUC control board.
1.
Set jumper caps for the new TCUC control board based on the recorded information.
2.
Install the new TCUC control board in the TCUC.
3.
Reconnect the cables between the TEC and the new TCUC control board based on the
recorded information.
Step 5
Install the TCUC.
1.
Tighten screws to secure the TCUC.
2.
Reconnect the cables to the TCUB based on the recorded information.
3.
Switch on the TCUC circuit breaker on the DC PDU.
Step 6
Disconnect the ground cable for the ESD wrist strap, and take off the ESD wrist strap and
ESD gloves.
----End
Follow-up Procedure
Pack the removed component, and return it to the local Huawei warehouse.
4.4.7 Replacing a Direct Ventilation Fan
Prerequisites
You have obtained the cabinet door key and tool kit.
The new fan is intact.