20412 Quality of GE Link on GXPUx Panel Decrease

Description

The quality of the GE link on the panel of the GXPUx decreases.

Attribute

Alarm ID Alarm Severity Alarm Type
20412 Minor Fault

Parameters

ID Name Meaning
1 Subrack No.

Subrack No.
2 Slot No.

Slot No.
3 Cpu No.

CPU No.
4 Panel GE Link No.

The parameter value indicates the number of the disconnected link for the panel. The four ports on the panel are numbered from 0 to 3, from the top down. The link number maps the number of the port on the panel.
5 Panel GE Port No.

The parameter value indicates the number of the disconnected port for the panel. The four ports on the panel are numbered from 0 to 3, from the top down. The link number maps the number of the port on the panel.
6 Parameter

Alarm parameter
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

The quality of the service that the link bears decreases.

System Actions

None

Possible Causes

  • The Ethernet cable on the panel is in loose contact.
  • The Ethernet cable is faulty.
  • The peer board is faulty.
  • The hardware of the local board is faulty.

Procedure

  1. Secure the Ethernet cables on the panels of the local and peer boards, and then check whether the alarm is cleared.

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

    N => The alarm is not cleared. Go to 2.

  2. Replace the damaged Ethernet cable and check whether the alarm is cleared.

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

    N => The alarm is not cleared. Go to 3.

  3. 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 is not cleared. Go to 4.

  4. Replace the peer board. After the board is restarted successfully, 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.

Parent topic: BSC Alarm Reference
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