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S12700 V200R010C00 Configuration Guide - Device Management

This document describes the principles and configurations of the Device Management features, and provides configuration examples of these features.
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Configuring Fan Speed Adjustment

Configuring Fan Speed Adjustment


The device adjusts fan speed by monitoring the optical module temperature on the board. When the temperature of an optical module exceeds the upper threshold, the fan speed increases. When the temperature of optical modules falls below the lower threshold, the fan speed is reduced.


  1. Run:


    The system view is displayed.

  2. Run:

    set transceiver temperature threshold low-temperature high-temperature { all | slot slot-id }

    The upper and lower temperature thresholds for fan speed adjustment are configured.

    By default, the fan speed is reduced when the temperature falls below 60°C and is increased when the temperature exceeds 65°C.


    Some boards including ET1D2X32SSC0, and ET1D2X16SSC2 do not support fan speed adjustment based on the optical module temperature. Therefore, these boards do not support this command. When you input a question mark (?), the system will not display information about slot IDs of the boards that do not support this command.

Checking the Configuration

  • Run the display transceiver temperature threshold { current | default } slot slot-id command to check the upper and lower temperature thresholds of the fan module.

  • Run the display fan command to check the fan status.

Updated: 2019-08-21

Document ID: EDOC1000142080

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