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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. hwGponnniOntLinkSfAlarmTrap

AMPADP_1. hwGponnniOntLinkSfAlarmTrap


AMPADP/2/ONT_SF: OID [oid] The signal failed occurs at the ONT.

This alarm is reported if a signal failure 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

Data links are interrupted, and data cannot be properly transmitted. As a result, services are interrupted on the ONT.

Possible Causes

  • Cause 1: The optical fiber is interrupted.

  • 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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