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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).
LSR_COOL_ALM

LSR_COOL_ALM

Description

The LSR_COOL_ALM alarm indicates that the cooling current of the laser crosses the threshold.

Attribute

Alarm Severity Alarm Type

Major

Equipment alarm

Parameters

None

Impact on the System

When the cooling current of the laser exceeds the threshold, the optical module of the board works abnormally. As a result, services cannot be transmitted or received normally.

Possible Causes

  • The ambient temperature is excessively high.
  • The laser is faulty.

Procedure

  1. Check whether the ambient temperature is excessively high. If yes, decrease it to a proper value for the equipment to work well, and then check whether the LSR_COOL_ALM alarm is cleared.
  2. If the alarm persists, the laser may be faulty. Replace the board that generates the alarm.

Related Information

None

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Updated: 2019-01-21

Document ID: EDOC1100020975

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