20030 Faulty Sub-Board

Description

The pinch board in-position state is faulty.

Attribute

Alarm ID Alarm Severity Alarm Type
20030 Major Fault

Parameters

ID Name Meaning
1 Subrack No.

Subrack No.
2 Slot No.

Slot No.
3 Cpu No.

CPU No.
4 Sub-board slot No.

The pinch board slot No.
5 Initial sub-board

0=E1T1 pinch board,1=STM-1 optical pinch board,2=STM-1 electric pinch board,3=E3T3 pinch board,4=EAS pinch board,10=DSP pinch board type 0,11=DSP pinch board type 1,12=DSP pinch board type 2,13=DSP pinch board type 3,14=EC256 pinch board,15=IEC512 pinch board,16=DSP pinch board type 4,17=DSP pinch board type 5,20=CPU pinch board
6 Current sub-board

0=E1T1 pinch board,1=STM-1 optical pinch board,2=STM-1 electric pinch board,3=E3T3 pinch board,4=EAS pinch board,10=DSP pinch board type 0,11=DSP pinch board type 1,12=DSP pinch board type 2,13=DSP pinch board type 3,14=EC256 pinch board,15=IEC512 pinch board,16=DSP pinch board type 4,17=DSP pinch board type 5,20=CPU pinch board
7 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

  • If the alarm is reported from GEIUx/GOIUx, all the services carried might be interrupted.
  • If the alarm is reported from GDPUC, the service processing capability might decrease and the call-drop might happen.
  • If the alarm is reported from GXPUx, the signaling processing capability might decrease and the services might interrupt.

System Actions

  • The handling procedures of the system vary for different types of boards.
  • If the GEIUx or GOIUx is faulty: Reset the board.
  • If the GDPUC or GXPUx is faulty: No action is taken.

Possible Causes

  • The sub-board is not inserted.
  • The sub-board is not securely inserted.
  • The sub-board is damaged.
  • The bottom plate is damaged.

Procedure

  1. Remove the specific board, insert securely the sub-board, re-insert the board, wait until the new board is successfully 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 that reports the alarm and wait until the new 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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