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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_1. hwGponnniOntLinkLcdgFailAlarmTrap

AMPADP_1. hwGponnniOntLinkLcdgFailAlarmTrap


AMPADP/2/ONT_LCDG: OID [oid] The loss of GEM channel delineation occurs at the ONT.

This alarm is reported if the loss of GEM channel delineation occurs on an ONT.


Alarm ID Alarm Severity Alarm Type Warning environmentalAlarm(6)


Name Meaning


OID of the alarm MIB object.

Impact on the System

Frame loss occurs in the system. As a result, the ONT goes offline.

Possible Causes

  • Cause 1: The quality of the optical path is poor.

  • Cause 2: A hardware fault occurs on the ONT.


  1. Check the optical fiber.

    • If the optical fiber is loose or disconnected, reconnect the optical fiber to ensure that the optical fiber is connected correctly and securely.
    • If the optical fiber is aged out, bent, or damaged, replace the optical fiber.
    • If the optical fiber connector is dirty, clean it.

    After any of the preceding operations, check whether the alarm is cleared.

    • If so, go to step 4.

    • If not, go to step 2.

  2. Reset or replace the ONT, and check whether the alarm is cleared.

    • If so, go to step 4.

    • If not, go to step 3.

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

Document ID: EDOC1100041475

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