Huawei MTS9300A - 4.3.9 Replacing a Light

Procedure
Step 1 Open the cabinet door and remove the shell of the door status sensor.
Step 2 Record the positions where the alarm cables connect to the door status sensor,
and unscrew the alarm cables.
Step 3 Unscrew the door status sensor.
Figure 4-12 Removing the door status sensor
Step 4 Remove the shell of the new door status sensor and remove the screws from the
signal cables.
Step 5 Properly place a new door sensor at the installation position and tighten the
screws.
Step 6 Place the alarm cables in sequence and secure the screws.
Step 7 Reinstall the shell of the door status sensor.
----End
Follow-up Procedure
Check that the door status alarm is cleared.
4.3.7 Replacing an Ambient Temperature and Humidity Sensor
Prerequisites
● Tools and the key to the cabinet door are available.
● The new digital temperature and humidity sensor is intact.
Procedure
Step 1 Record cable information and installation positions.
Step 2 Record the DIP switch settings.
MTS9300A Telecom Power (Ooredoo, Indonesia,
MTS9304A-HD2002)
User Manual 4 Maintenance
Issue 06 (2021-10-13) Copyright © Huawei Technologies Co., Ltd. 58