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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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AD_CHECK_FAIL

AD_CHECK_FAIL

Description

The AD_CHECK_FAIL alarm indicates an AD (analog-to-digital converter) self-check failure. This alarm is reported when the AD chip on the board is faulty.

Attribute

Alarm Severity Alarm Type

Major

Equipment alarm

Parameters

When you view an alarm on the network management system, select the alarm. In the Alarm Details field display the related parameters of the alarm. The alarm parameters are in the following format: Alarm Parameters (hex): parameter1 parameter2...parameterN. For details about each parameter, refer to the following table.

Name Meaning

Parameter 1

Indicates the serial number of an AD chip. For example, 0x01 indicates chip 1.

Impact on the System

  • This alarm may affect services.

  • Parameters relevant to the AD chip on the board, such as board input/output optical power, fail to be queried on the NMS. As a result, maintenance engineers can neither obtain the current network performance data nor find in time any potential network issues. Service interruption or system faults may occur.

Possible Causes

The board hardware is faulty.

Procedure

  1. Query the AD_CHECK_FAIL alarm on the NMS and determine the board that reports the alarm. For details, see Viewing the Current Alarms in the Supporting Tasks.
  2. Replace the board that reports the AD_CHECK_FAIL alarm.

Related Information

None

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Updated: 2019-01-21

Document ID: EDOC1100020975

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