Huawei TP48200A-DT19C1 User Manual page 83

TP48200A-DT19C1, TP48200A-DT19C2,
TP48200A-HT19C1, TP48200A-HT19C2 Outdoor
Power System
User Manual
2.
3.
Step 4 Install a new TCUA control board.
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2.
3.
Step 5 Install the TCUA control box.
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2.
3.
Step 6 Disconnect the ground cable from the ESD wrist strap, and take off the ESD wrist strap and
ESD gloves.
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Follow-up Procedure
Send the replaced TCUA for repair.
Issue 02 (2019-02-26)
Figure 4-21 Removing a TCUA control board
Record positions where the TEC cable connects to the TCUA control board, disconnect
the cable, and then take down the TCUA control board.
Record the positions of the jumper caps on the TCUA control board.
For details about the jumper caps and port cables connection on the TCUA control board, see the
appendix.
Set the jumper caps for the new TCUA control board based on the recorded information.
Install the new TCUA control board into the control box.
Connect the cable between the TCUA module and the new TCUA control board based
on the recorded information.
Tighten the screws to secure the TCUA control box.
Connect cables to the TCUA control box based on the recorded positions.
Switch on the circuit breaker (F10) for the TCUA control box on the DC PDU.
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