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Configuration Guide - Device Management

S1720, S2700, S5700, and S6720 V200R011C10

This document describes the principles and configurations of the Device Management features, and provides configuration examples of these features.
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Setting Optical Power Alarm Thresholds

Setting Optical Power Alarm Thresholds

Context

You can set optical power alarm thresholds using commands. When the transmit or receive power of an optical module exceeds the alarm threshold, an alarm is generated, indicating that the optical module may be faulty.

An optical module has default optical power alarm thresholds, which are fixed and cannot be changed. The configured optical power alarm thresholds must be within the default range. The default optical power alarm thresholds are proper values verified by testing. Therefore, it is not recommended to change the alarm thresholds of optical modules. When an optical power alarm is generated, check the optical module and connected fibers first.

NOTE:
  • Huawei-certified switch optical modules are recommended. If non-Huawei-certified switch optical modules are used, incorrect optical module information may be obtained during the query of optical power information.

  • Only enhanced optical modules support the query of optical power information.

Procedure

  1. (Optional) Run display transceiver [ interface interface-type interface-number | slot slot-id ] [ verbose ]

    Conventional, manufacturing, and alarm information about the optical module on a specified interface is displayed.

  2. (Optional) Run display transceiver diagnosis interface [ interface-type interface-number ]

    Diagnostic information about the optical module on a specified interface is displayed.

  3. Run system-view

    The system view is displayed.

  4. Run interface interface-type interface-number

    The interface view is displayed.

  5. Run transceiver diagnosis threshold rx-power { default | low-alarm low-alarm high-alarm high-alarm }

    Upper and lower alarm thresholds are set for the receive power of the optical module on the interface.

  6. Run transceiver diagnosis threshold tx-power { default | low-alarm low-alarm high-alarm high-alarm }

    Upper and lower alarm thresholds are set for the transmit power of the optical module on the interface.

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Updated: 2019-10-21

Document ID: EDOC1000178167

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