Replacing An Mdu - Huawei PDU8000 User Manual

PDU8000 Modular Precision Power Distribution Cabinet
User Manual (1100 mm Deep)

8.5.6 Replacing an MDU

Prerequisites
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Procedure
Step 1 Remove the CAN and RS485_1 communications cables connected to the MDU, as shown in
Figure
Step 2 Remove the four screws from the MDU and set them aside.
Figure 8-15 Replacing an 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 Align the new MDU with the mounting holes, snap the bottom of the new MDU into the
fastener on the front panel until you hear a slight click sound, and push the top of the MDU in
place.
Step 5 Secure the new MDU to the front panel using the screws you removed.
Step 6 Connect the CAN and RS485_1 communications cable to the MDU.
Issue 01 (2019-02-25)
Tools required: a Phillips screwdriver and key to the PDC cabinet door
Materials required: a new intact MDU
The MDU can be replaced online without disconnecting the power supply.
8-15.
When removing cables, label the cables with corresponding terminal ports for later connection.
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