Command to disable optical module

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Feb 20, 2026

port-alarm disable optical-module

You can disable the alarm function for the optical module by executing the following command. NOTE: The device has two types of optical module power alarms: warning and alarm. A warning is reported

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Jan 11, 2026

Configuration Guide for Cisco NCS 1001, IOS XR

Use the hw-module eth-switch command to enable, disable, or clear the UDC port configurations in the configuration mode. To clear the configured

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Oct 29, 2025

Enabling or Disabling the Optical Module Laser

Run the laser turn-off command to disable the optical module laser. Run the laser autoshutdown enable command to configure the optical module to disable the laser automatically if it detects a link failure.

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Aug 29, 2025

Tech Talk – View the Optical Module Status on a Switch with CLI

In this edition of Cisco Tech Talk, I''ll show you how to view the optical module status on a switch through the Command Line Interface also referred to CLI.

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Apr 02, 2026

How to Install and Remove Optical Modules Safely

Install optical modules safely with ESD protection, proper handling, and dust control. Follow these steps to avoid damage and ensure network reliability.

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Dec 24, 2025

Enabling or Disabling the Optical Module Laser

To configure the optical module to disable the laser automatically, run the laser autoshutdown enable command. (Optional) To configure intervals at which the optical module laser is disabled or enabled

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Aug 01, 2025

Optical Module Solutions for Huawei S5700/S5720 Series Switches

When using switches, we may encounter many confusions, such as what types of optical modules are needed for different models of Huawei switches, and how to resolve issues encountered

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Dec 18, 2025

How to set X710, XL710, X722 SFP Port Tx disable function

By default, numerous alarm messages will be generated when a non-original Huawei module is used. Huawei provides dedicated commands to disable alarms triggered by uncertified

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Jul 22, 2025

Optical Module: Typical Optical Module Troubleshooting Procedure

If it is not a Huawei-certified optical module, replace it with a Huawei-certified optical module. If the optical module is installed on a GE port, run the display interfaceGigabitEthernet x/x/x command to

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Jul 24, 2025

Disabling the Optical Module Alarm Function

It is unfeasible to install an attenuator on each optical module to prevent frequent reporting of such power alarms. You can disable the alarm function for the optical module by executing the following

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Mar 19, 2026

How To Enable Support For Third-Party Modules On

By default, Cisco switches perform authenticity validation on inserted optical modules. If a module is identified as non-Cisco original, the switch may

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Dec 01, 2025

Optics Commands

To use commands of this module, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using any

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Feb 07, 2026

Configuring Controllers

This feature provides the ability to disable and re-enable an optical module through CLI, which simulates online insertion and removal (OIR) by disabling power to the transceiver port.

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Apr 10, 2026

How To Read Optical Module Information On Huawei Switches

1. Optical Module Status Check Run the following command to view interface information: display interface <interface-type> <interface-number> The output includes interface rate, module type, link

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Aug 03, 2025

View the Optical Module Status on a Switch through the Command

Once the transceiver and fiber optic cable are plugged in properly in the switch optical module, you should be able to view the current information for the optical connection, which helps you manage

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Apr 22, 2026

How Can I Disable the Alarm Function for Optical Modules That Are

Run the transceiver non-certified-alarm disable command to disable the alarm function for optical modules that are not certified for Huawei Ethernet switches. <HUAWEI> system-view

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Jun 02, 2026

How To Turn Off Alarms For Third-Party Modules On H3C Switches

By default, a large number of alarm messages will be generated if the module is verified as non-H3C original. H3C provides CLI commands to suppress these optical module alarm

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Oct 31, 2025

Configuration Guide for Cisco NCS 1001, IOS XR

When you plan to replace a configured optical module with a different type of optical module, you must clear the configurations of the old module before

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Latest Updates
Mar 20, 2026

port-alarm disable optical-module

It is unfeasible to install an attenuator on each optical module to prevent frequent reporting of such power alarms. You can disable the alarm function for the optical module by executing the following

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Latest Updates
Feb 10, 2026

Configure Optical Modules

Configure Optical Modules This chapter describes how to configure the Optical Amplifier Module and Protection Switching Module (PSM). Note When you plan to replace a configured optical module with

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Jan 09, 2026

How To Turn Off Alarms For Third-Party Modules On H3C Switches

H3C switches perform authentication on inserted optical modules. By default, a large number of alarm messages will be generated if the module is verified as non-H3C original. H3C

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Nov 15, 2025

How to View Optical Module Status on a Cisco Switch

In this Cisco Tech Talk, learn how to view the optical module status on a Cisco switch using the Command Line Interface (CLI). This video demonstrates

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Oct 03, 2025

optics-options | Junos OS | Juniper Networks

For 10-Gigabit Ethernet, 100-Gigabit Ethernet, or 400-Gigabit Ethernet ZR/ZR+ dense wavelength-division multiplexing (DWDM) interfaces only, configure full C-band International Telecommunication

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May 23, 2026

Configuring the Alarm Function for Non-Huawei-Certified Optical Modules

When these optical modules are used on devices, the devices will also generate non-Huawei-certified optical module alarms. To protect user resources and ensure that these early

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Jul 03, 2025

Interface and Hardware Component Command Reference for Cisco

This module describes the command line interface (CLI) commands for configuring Optics on the Cisco 8000 Series Routers. Not all commands are supported on both coherent and non

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Jun 05, 2026

How to disable the SFP module on H3C vswitches, routers, and other

Solve this problem: To solve this problem, it will be gradually solved on the new optical module, R2603P06 and later versions can solve this problem. If the version is not upgraded, run the following

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