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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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OUT_PWR_HIGH

OUT_PWR_HIGH

Description

The OUT_PWR_HIGH is an alarm of too high output power. This alarm occurs when a board detects that the actual output power is higher than the upper threshold of the output power reference value.

Attribute

Alarm Severity Alarm Type

Major

Equipment alarm

Parameters

None

Impact on the System

Too high output optical power causes damage to the laser or meters at the opposite end and bit errors in the services.

Possible Causes

  • Cause 1: The input optical power is excessively high.

    The following figure shows details.

  • Cause 2: The local optical module or board is faulty.

    The following figure shows details.

Procedure

  1. Cause 1: The input optical power is excessively high.
    1. On the NMS, check whether an IN_PWR_HIGH alarm is reported. If such an alarm is reported, clear it.
    2. Check whether the OUT_PWR_HIGH alarm is cleared. If the alarm persists, go to Cause 2.
  2. Cause 2: The local optical module or board is faulty.
    1. Check whether the board supports pluggable optical modules.

      If...

      Then...

      The board supports pluggable optical modules

      Replace pluggable optical modules. For details, see Replacing the Optical Module. If the alarm persists, replace the faulty board.

      The board does not support pluggable optical modules

      Reset the board. For details, see Resetting Boards.

      If the alarm persists, replace the faulty board.

    2. If the alarm persists, contact Huawei technical support personnel to handle the alarm.

Related Information

None

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Updated: 2019-01-21

Document ID: EDOC1100020975

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