Replacing A Tcua Control Board - Huawei TP48200A-DT19D1 Telecom Power User Manual

TP48200A-DT19D1 Telecom Power
User Manual
Figure 4-13 Removing the fan
Step 5 Install a new fan.
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2.
3.
Step 6 Install the fan assembly.
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2.
Step 7 Install the UIM02C.
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2.
3.
Step 8 Disconnect the ground cable from the ESD wrist strap, and take off the ESD wrist strap and
ESD gloves.
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4.4.7 Replacing a TCUA Control Board

Prerequisites
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Issue 03 (2019-11-15)
Properly place the fan into the fan assembly and tighten the screws for the fan.
Tighten the screws that secure the fan fixing plate.
Tighten the screws that secure the cover.
Push the fan assembly into the fan assembly slot and tighten the screws.
Connect cables to the fan assembly based on the recorded positions.
Connect the -48 V power cable to the UIM02C backplane.
Push in the UIM02C and tighten the screws.
Connect the signal cables to the UIM02C panel based on the recorded position.
Prepare an ESD wrist strap, a pair of ESD gloves, an ESD box or bag, the cabinet door
key, and tools.
Check that the new TCUA control board is intact.
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