20352 Clock Failure of the TDM Interface Unit

Description

TDM interface unit clock is abnormal.

Attribute

Alarm ID Alarm Severity Alarm Type
20352 Major Fault

Parameters

ID Name Meaning
1 Subrack No.

Subrack No.
2 Slot No.

Slot No.
3 Cpu No.

CPU No.
4 Fault Type

Fault type
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 service on this board is interrupted.

System Actions

Reset the board.

Possible Causes

The hardware chip is faulty.

Procedure

  1. Wait until the board is successfully loaded and restarted. Check whether the alarm is cleared.

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

    N => The alarm persists. Go to 2.

  2. Replace the board and wait until the board is successfully restarted. Check whether the alarm is cleared.

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

    N => The alarm persists. Please contact Huawei Customer Service Center.

Parent topic: BSC Alarm Reference
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