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PDU8000 Precision PDC-T
User Manual
6.3.6 Replacing an MDU
Prerequisites
Procedure
Step 1 Remove the communications cables from the MDU, as shown in
Step 2 Remove the four screws fixing the MDU and put them aside, as shown in
Figure 6-8 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.
2.
Issue 01 (2017-07-15)
Tools: Phillips screwdriver and key to the PDC cabinet door
Materials: new intact MDU
The MDU can be replaced online without disconnecting the power supply.
When removing cables, label the cables with corresponding terminal ports for later connection.
Click OK to synchronize the configurations. The MDU restarts.
If you click Cancel (not recommended), the configurations will not be synchronized, and
the MDU displays the same dialog box after the next startup.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
6 Maintenance Guide
Figure
6-8.
Figure
Figure
6-9.
6-8.
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