Huawei Telecom Power TP48200A-HX09A3 User Manual page 82

TP48200A-HX09A3, TP48200A-HX09A4,
TBC300A-DCA3, TBC300A-DCA5 and
TBC300A-TCA2 Telecom Power
User Manual
Context
You only need to disconnect the power supply to the TCUA control box, but do not need to
disconnect the AC input to the power system.
Procedure
Step 1 Connect the ground cable to the ESD wrist strap, and put on the ESD wrist strap and ESD
gloves.
Step 2 Remove the TCUA control box.
1.
2.
3.
Figure 4-18 Removing a TCUA control box
Step 3 Remove the TCUA control board.
Issue 04 (2019-11-15)
Switch off the circuit breaker (F1) for the TCUA control box on the DC PDU.
Record positions where cables connect to the TCUA control box and disconnect the
cables.
Unscrew and remove the TCUA control box, as shown in Figure 4-18.
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