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Alarm Handling

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the trap description, attributes, parameters, impact on the system, possible causes, procedures, and references. This document provides a complete set of traps, through which intended readers are kept of the running status of the device so as to locate faults.
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ENTITYTRAP_1. hwOpticalInvalid 136196

ENTITYTRAP_1. hwOpticalInvalid 136196


ENTITYTRAP/4/OPTICALINVALID: OID [oid] Optical module is invalid.(Index=[INTEGER], EntityPhysicalIndex=[INTEGER], PhysicalName="[OCTET]", EntityTrapFaultID=136196, EntityTrapReasonDescr="Input Optical Power Too Low")

The optical module does not work normally because the receive power of the optical module was too low.


Alarm ID Alarm Severity Alarm Type Warning equipmentAlarm(5)


Name Meaning

Indicates the MIB object ID of the alarm.

Index Indicates the index.
EntityPhysicalIndex Indicates the index of the physical entity.
PhysicalName Indicates the name of the physical entity.
EntityTrapFaultID Indicates the error code.
EntityTrapReasonDescr Indicates the description of the error code.

Impact on the System

The services on the corresponding interface will be interrupted.

Possible Causes

The receive power of the optical module was too low.


  1. Run the display interface command in the user view to check whether the receive power Rx Power of the optical module is within the allowed range. If so, collect alarms, logs, and configurations, and contact technical support personnel.
  2. If no alarm on low receive power is generated and the peer interface is Up, go to step 5.
  3. If the peer interface is Down and an alarm on that is generated, rectify the peer interface.
  4. Check whether the optical fiber is faulty. If so, replace the optical fiber.
  5. Replace the local optical module.
  6. If the fault persists after the optical module and fiber are replaced, collect alarms, logs, and configurations, and contact technical support personnel.
Updated: 2019-03-06

Document ID: EDOC1100041475

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