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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
THUNDERALM

THUNDERALM

Description

The THUNDERALM alarm indicates a surge-protection failure. If the system detects the surge-protection circuit fails, the THUNDERALM occurs.

Attribute

Alarm Severity Alarm Type

Minor

Environment alarm

Parameters

Name Meaning

Parameter 1

Indicates the power unit that reports the alarm.

  • 0x00: All the power units fail.
  • 0x01: The surge protection of the PIU1 board fails.
  • 0x02: The surge protection of the PIU2 board fails.

Impact on the System

When the THUNDERALM occurs, the system operation and services are not affected, but the surge-protection function fails.

Possible Causes

The cause of the THUNDERALM alarm is as follows:

  • The fuse tube of the surge-protection circuit is interrupted.
  • The board is faulty.

Procedure

  1. Replace the fuse, and then check whether the alarm is cleared.
  2. Replace the board that reports the THUNDERALM alarm.

Related Information

None.

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Updated: 2019-01-21

Document ID: EDOC1100020975

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