Replacing A Door Status Sensor - Huawei TP48200A-HX09A1 User Manual

TP48200A-HX09A1 and TBC300A-DCA5 Telecom
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Step 5 Install the TCUA control box.
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2.
3.
Step 6 Disconnect the ground cable from the ESD wrist strap, and take off the ESD wrist strap and
ESD gloves.
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Follow-up Procedure
Send the replaced TCUA for repair.

4.4.11 Replacing a Door Status Sensor

Prerequisites
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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, as shown in Figure 4-21.
Figure 4-21 Removing the door status sensor
Step 4 Remove the shell of the new door status sensor and remove the screws from the alarm cables.
Step 5 Properly place the new door status sensor at the installation position and tighten the screws.
Issue 03 (2019-11-15)
Tighten the screws to secure the TCUA control box.
Connect cables to the TCUA control box based on the recorded positions.
Switch on the circuit breaker (F10) for the TCUA control box on the DC PDU.
The cabinet door key and required tools are available.
The new door status sensor is intact.
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