Replacing A Rack Environment Unit - Huawei FusionModule2000 V500R002C03 Maintenance Manual

FusionModule2000 Smart Modular Data Cente
Maintenance Guide
Step 4 Secure the new alarm beacon to the right door box using two M3x16 recessed pan head
screws.
Step 5 Simulate a smoky environment under the smoke detector, verify that the alarm beacon works
properly, and then clear the alarm.
----End

6.4.12 Replacing a Rack Environment Unit

Impact on the System
The data of the IT cabinet environment cannot be collected and controlled.
Preparations
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Procedure
Step 1 Label each cable based on the corresponding ports on the rack environment unit.
Step 2 Disconnect cables from the rack environment unit.
Step 3 Remove the screws from the mounting ears on both sides of the rack environment unit and
remove the old rack environment unit.
Figure 6-46 Removing the rack environment unit
Step 4 Secure the reserved rack environment unit in the original position using four screws.
Step 5 Connect cables to the reserved rack environment unit based on the cable labels.
Issue 03 (2019-12-04)
Tools: Phillips screwdriver, labels, marker
Material: rack environment unit
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6 Parts Replacement
77