FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
6 Parts Replacement
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
101
Obtain permission from the related administration department before opening a container door.
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.
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.
----End
Follow-up Procedure
Dispose of the removed door status sensor that is confirmed faulty.
6.3.5 Replacing a GSM Modem
Prerequisites
A GSM modem needs to be replaced.
A spare GSM modem of the same model is available and functional.
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