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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).
ODUk_TCMn_SSF

ODUk_TCMn_SSF

Description

Failure of ODUk TCMn server-layer signals.

  • k indicates the level of rate, its value is 0, 1, or 2.
  • n indicates the level of TCM, its value ranges from 1 to 6.

Attribute

Alarm Severity Alarm Type

Warning

Communication alarm

Parameters

None

Impact on the System

If the alarm is generated, services are interrupted.

Possible Causes

  • The ODUk_TCMn_AIS or ODUk_LOFLOM alarm is generated on the line.
  • The OTUk_TIM alarm is generated on the line and the OTUk_TIM follow-up response is set to enabled.
  • The OTUk_SSF alarm is generated on the line.

Procedure

  1. Check along the service signal flow to locate the station that first generates the SSF alarm.
    1. Check whether the ODUk_TCMn_AIS or ODUk_LOFLOM alarm occurs at the station. If it does, clear the alarm according to the corresponding handling procedure.
    2. Check whether the OTUk_TIM alarm occurs at the station. If it does, clear the alarm according to the alarm handling procedure.
  2. If the alarm persists, check whether the OTUk_SSF alarm occurs on the line. If it does, clear the alarm according to the alarm handling procedure.
  3. If the alarm persists, contact Huawei technical support engineers to handle the alarm.

Related Information

None

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Updated: 2019-01-21

Document ID: EDOC1100020975

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