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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).
OUT_PWR_ABN

OUT_PWR_ABN

Description

The OUT_PWR_ABN alarm indicates that the output optical power of the optical module on the board is out of range.

Attribute

Alarm Severity Alarm Type

Critical

Equipment alarm

Parameters

None.

Impact on the System

Service bit errors may occur on the receive side at the opposite end or frames cannot be aligned at the opposite end. As a result, the services are unavailable, and even are interrupted.

Possible Causes

Possible causes of this alarm are as follows:

  • The optical module is deteriorating.
  • The optical module is faulty.
  • The board that reports the OUT_PWR_ABN alarm is faulty.

Procedure

  1. Using an optical power meter, check whether the transmit optical power of the board is within the specified range.

    If... Then...

    The transmit optical power of is out of range

    The optical module is deteriorating or faulty. Replace the optical module. Then, check whether the alarm is cleared. If the alarm persists, go to the next step.

    The transmit optical power of is within the specified range

    Go to the next step.

  2. Replace the board that reports the OUT_PWR_ABN alarm.

Related Information

None.

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Updated: 2019-01-21

Document ID: EDOC1100020975

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