PDU8000 Modular Precision PDC V2.0
User Manual
8 Maintenance Guide
Issue 03 (2018-01-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
139
Procedure
Step 1
Remove the communications cables from the MDU, as shown in
When removing cables, label the cables with corresponding terminal ports for later connection.
Step 2
Remove the four screws fixing the MDU and put them aside, as shown in
Figure 8-19
Removing the MDU
Step 3
Hold the MDU front panel by one hand, and push out the MDU from the fastener on the front
panel by the other hand.
Step 4
Install the new MDU in the bracket, and secure it using screws.
Step 5
Connect the communications cables to the MDU.
Step 6
After the MDU is replaced, the new MDU automatically checks whether its configurations are
consistent with the rack configuration during startup. If an inconsistency is found, the MDU
displays a synchronization dialog box, as shown in
1.
Click
OK
to synchronize the configurations. The MDU restarts.
2.
If you click
Cancel
(not recommended), the configurations will not be synchronized, and
the MDU displays the same dialog box after the next startup.