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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).
TF

TF

Description

The TF alarm indicates a transmission failure in the laser.

Attribute

Alarm Severity Alarm Type

Critical

Equipment alarm

Parameters

None.

Impact on the System

When the TF alarm occurs, the transmission of the laser fails. As a result, the services are interrupted.

Possible Causes

The possible cause of the TF alarm is as follows:

  • The laser of the board is aged or faulty.
  • The board is faulty.

Procedure

  1. Check the optical module of the board to check whether the optical module is aged or faulty.

    If... Then...

    The optical module is aged or faulty

    Replace the optical module. Check whether the alarm is cleared. If the alarm persists, go to the next step.

    The optical module is normal

    Go to the next step.

  2. Replace the board.

Related Information

None

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Updated: 2019-01-21

Document ID: EDOC1100020975

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