Alarm Reference For The Rs485 Communication Card; Mus02A_Board Not Exist; Mus02A_Com4 Voltage Low Alarm - Huawei ECC500 User Manual

ECC500
User Manual

6.2.1 Alarm Reference for the RS485 Communication Card

6.2.1.1 MUS02A_Board Not Exist

Description
This alarm is generated when the board is not securely inserted or is faulty.
Attribute
Alarm ID
22630
Impact on the System
After this alarm is generated, the WebUI stops updating parameter values of undetected
equipment and fails to send configuration signals. Maintain the equipment immediately.
Possible Causes



Procedure
Step 1 Securely insert the board and tighten the screws.
Step 2 Replace the faulty board.
----End
Clearing
This alarm is cleared when the board is securely inserted into the subrack and the
communication between the board and the ECC500 resumes.

6.2.1.2 MUS02A_COM4 Voltage Low Alarm

Description
This alarm is generated when the output voltage of the COM4 port is below the alarm
threshold.
Issue 04 (2019-12-20)
For details about the low voltage alarm for the COM5 port on the RS485 communication card and how
to clear the alarm, see the alarm description and troubleshooting instructions provided for the
MUS02A_COM4 Voltage Low
The board is not securely inserted.
The board is removed.
The board is faulty.
Copyright © Huawei Technologies Co., Ltd.
Alarm.
Alarm Severity
Set to Major by default.
6 Maintenance and Troubleshooting
Alarm Type
Equipment alarm
6.2.1.2
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