Replacing An Input/Output Module - Huawei FusionDC1000A Maintenance Manual

FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
Step 7 After verifying that the new heat detector is properly installed, switch on the
active and standby power supplies to the fire alarm control panel.
Step 8 Check that the new heat detector is working properly.
If the red indicator blinks once every 6s, the heat detector is working properly.
----End
Follow-up Procedure
Dispose of the removed heat detector that is confirmed faulty.

4.4.4 Replacing an Input/Output Module

Prerequisites
A spare input/output module of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Prerequisites
Tools: Phillips screwdriver, protective gloves
Material: input/output module
Documents: fire extinguishing drawings and parameters
Skill requirement: fire engineer
Before replacing the input/output module, inform the related administration
department of the temporary downtime of the fire extinguishing system. After the
replacement, inform the administration department that the system has become
operational.
Procedure
1.
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5.
Issue 01 (2021-04-20)
NO TE
NO TICE
Switch off the active and standby power supplies to the fire alarm control
panel.
Open the cover of the input/output module and remove it.
Remove cables from the input/output module
Remove the screws on the bottom box using a Phillips screwdriver, and
remove the box.
Insert the output plug of the encoder into the encoding socket of the new
input/output module, adjust the encoder to the encoding function, set the
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