20425 Abnormal External Analog Sensor

Description

This alarm is reported when the measurement value of the external analog sensor on the power distribution box or the environment monitoring device exceeds the setting range.

Attribute

Alarm ID Alarm Severity Alarm Type
20425 Major Fault

Parameters

ID Name Meaning
1 Subrack No.

The number of the subrack

2 Logical Slot No.

0=0(Powerbox Monitor),2=2(Enviroment Monitor)

3 Sensor No.

The number of the sensor that resides in the board

4 Simu Status

0=Normal,1=High,2=Low

5 Alarm Attribute

0=Normal, Alarms period are longer than the Transient Threshold.

1=Transient Count, The times and the period of the alarms whose periods are shorter than the Transient Threshold are summed up. If the sum result is longer than the Alarm Occurrence Period Threshold or Alarm Occurrence Times Threshold, an alarm so called Transient Count Alarm is triggered. Because Transient Count Alarm is based on accumulative result, the recovery of the alarm may occur at least one Summing Cycle later. The Summing Cycle can be query by MML "LST STATSLDWIN".

Impact on the System

The environment of the equipment room is abnormal, such as the temperature or the humidity exceeds the upper or lower limitation (A specific alarm is determined according to the accessed sensor type.).

System Actions

Whether the alarm persists or the alarm is cleared depends on the actual detection value of the external analog sensor.

Possible Causes

The detection value of the external analog sensor exceeds the upper or lower limitation.

Procedure

  1. Check whether the cabinet or the temperature and the state of the equipment room that reports the alarm is normal. If an abnormality exists, related measures used for improvement are taken to check whether the alarm is cleared.

    Y => The alarm is cleared. The alarm handling is complete.

    N => The alarm is not cleared. Please contact Huawei Customer Service Center.


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