Step 2
Put on the ESD wrist strap and connect the grounding terminal to the ESD jack on the chassis.
Step 3
Turn off the corresponding air circuit breaker on the power distribution cabinet. This turns off
the PEM to be replaced. In addition, switch off the PEM.
Step 4
Remove the cables from the power module to be replaced.
Step 5
Using the Phillips screwdriver, turn the captive screws on the PEM counter-clockwise to
loosen them, as shown in
.
Step 6
Holding the handle on the PEM with one hand and supporting the PEM with the other hand,
slowly pull the PEM vertically out of the chassis, as shown in
.
Figure 3-30
Removing the PEM from the USG9560
Step 7
Insert the new PEM into the chassis.
Holding the handle on the PEM with one hand and supporting the PEM with the other hand,
slowing insert the PEM vertically along the guide rails in the slot until the rear of the PEM
properly connects to the backplane. Using the Phillips screwdriver, fasten the PEM to the
chassis by turning the captive screws counter-clockwise to tighten them, as shown in
.
Figure 3-31
Installing the PEM on the USG9560
Step 8
Connect the cables to the power module in the original sequence.
HUAWEI USG9500 Series
Hardware Guide
3 Hardware Maintenance
Issue 03 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
386
