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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_1.3.6.1.4.1.2011.6.158.51.2.0.4 hwXponnniPortSwitchAlarmTrap

AMPADP_1.3.6.1.4.1.2011.6.158.51.2.0.4 hwXponnniPortSwitchAlarmTrap

Description

AMPADP/4/PORT_SWITCH: OID [oid] Protection switchover occurs on the PON port.

This alarm is reported if a protection switchover occurs on a PON port.

Attribute

Alarm ID Alarm Severity Alarm Type
1.3.6.1.4.1.2011.6.158.51.2.0.4 Warning environmentalAlarm(6)

Parameters

Name Meaning

oid

OID of the alarm MIB object.

Impact on the System

None

Possible Causes

  • Cause 1: The optical signals are lost.

  • Cause 2: The optical power alarm threshold is exceeded, triggering the switchover.

  • Cause 3: The MPCP times out, triggering the switchover.
  • Cause 4: The threshold for the bit error rate (BER) is exceeded, triggering the switchover.
  • Cause 5: The OLT decides to trigger the switchover.
  • Cause 6: The EPLD detects a LOS, triggering the switchover.
  • Cause 7: Users manually perform the switchover.

Procedure

  1. Run the display protect-switch record command in the diagnostic view to check the switchover cause.

    • If the optical signals are lost, go to step 2.
    • If the optical power alarm threshold is exceeded, go to step 4.
    • If the MPCP times out, go to step 7.
    • If the threshold for the BER is exceeded, go to step 7.
    • If the OLT decides to perform the switchover, go to step 5.
    • If the switchover is triggered because the EPLD detects a LOS, go to step 6.
    • If users manually perform the switchover, go to step 8.

  2. 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 8.

    • If not, go to step 3.

  3. Run the display gpon-info interface pon command in the interface view to check whether the Link state of the interface is Up.

    • If so, go to step 8.

    • If not, go to step 4.

  4. Run the display pon-transceiver interface pon command in the interface view to check whether the optical power alarm threshold of the interface is proper.

    • If so, go to step 7.

    • If not, go to step 5.

  5. Check whether the OLT port connected to the PON port is faulty, and then check whether the alarm is cleared.

    • If so, go to step 8.

    • If not, go to step 6.

  6. Check whether the EPON port connected to the PON port is faulty, and then check whether the alarm is cleared.

    • If so, go to step 8.

    • If not, go to step 7.

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

Document ID: EDOC1100041475

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