original address, and press the Execute button to complete the address
encoding.
6. Install the new input/output module, connect the cables, and install the cover.
Figure 4-69 Connecting cables
4.4.5 Replacing a Gas Release Indicator
Prerequisites
A spare gas release indicator of the same model is available and functional.
Impact on the System
The re extinguishing system stops working during the replacement.
Prerequisites
Tools: Phillips screwdriver, protective gloves, step ladder, at-head screwdriver
Material: spare gas release indicator
Document: re extinguishing device layout diagram (standard)
Skill requirement: re engineer
Before replacing the gas release indicator, inform the related administration
department of the temporary downtime of the re extinguishing system. After the
replacement, inform the administration department that the system has become
operational.
Procedure
Step 1 Switch o the active and standby power supplies to the re alarm control panel.
Step 2 Remove the screws shown in Figure 4-70 using a Phillips screwdriver, and remove
the panel.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
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