Replacing A Gsm Modem - Huawei FusionModule 1000B Maintenance Manual

FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
Step 2 Open the cover of the door status sensor, disconnect the cables, and remove the door status
sensor.
Figure 6-19 Replacing a door status sensor
Step 3 Install a new door status sensor, and reconnect the cables.
Step 4 Check that the new door status sensor is working properly.
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Follow-up Procedure
Dispose of the removed door status sensor that is confirmed faulty.

6.3.5 Replacing a GSM Modem

Prerequisites
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Impact on the System
The operation of the monitoring system or devices connected to the monitoring server may be
interrupted.
Preparations
Tools: Phillips screwdriver, small-sized flat-head screwdriver, ESD gloves
Materials: spare GSM modem
Issue 02 (2017-01-10)
Obtain permission from the related administration department before opening a container door.
Open the door and check whether the management system reports an alarm indicating that the door was
opened. If yes, the door status sensor is working properly.
A GSM modem needs to be replaced.
A spare GSM modem of the same model is available and functional.
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6 Parts Replacement
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