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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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AMPADP/2/ONT_ROGUE: OID [oid] GPON ONU's optical-module always send laser.

The GPON ONU optical module constantly transmits optical signals.


Alarm ID Alarm Severity Alarm Type Warning environmentalAlarm(6)


Name Meaning


Indicates the MIB object ID of the alarm.

Impact on the System

Packet loss occurs on the port where the rogue ONT resides. As a result, the service quality deteriorates and the ONT that has not gone online cannot properly go online.

Possible Causes

Cause 1: A rogue ONT resides on the port, and the rogue ONT does not support Huawei extended PLOAM or cannot enable or disable the transmit power supply of the optical module.

Cause 2: The ONT is faulty. As a result, the ONT is incorrectly detected to continuously generate optical signals.


  1. Replace the ONT. Wait for one automatic ONT discovery period, and check whether the system generates a recovery alarm.

    • If so, go to step 3.
    • If not, go to step 2.

  2. Collect alarm, log, and configuration information, and contact technical support personnel.
  3. End.
Updated: 2019-03-06

Document ID: EDOC1100041475

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