Huawei FusionModule 1000B Maintenance Manual page 87

FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
Impact on the System
None
Preparations
Tools: Phillips screwdriver, ESD box or ESD bag
Materials: spare MDU
Documents required: documents delivered with the MDU
Skill requirement: power distribution system engineer
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 fixing the MDU using a Phillips screwdriver, and set them aside, as
shown in
Figure 6-2 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 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 MDU using screws removed during
Step 6 Connect the CAN and RS485_1 communications cable to the MDU.
Issue 02 (2017-01-10)
6-2.
Figure 6-2.
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Step 2.
6 Parts Replacement
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