Home / Checking the optical module on a Huawei router
If you know the model or type of an optical module, you can view the section "Pluggable Modules for Interfaces" in the Hardware Description to look up parameters of the optical module, including the center wavelength, transmission distance, fiber types supported, receive optical. When the optical module on an interface is faulty, you can run the display commands to view information about the optical module.
If the transmit optical power is abnormal, replace the optical module. Remove and reinstall the optical module. If the fault persists, replace the optical module with a normal one of the same type to check
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For example, the transmission distance supported by OM1 optical fibers in the preceding command output is 150 m. If the actual transmission distance exceeds 150 m, use an optical fiber with a longer
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How To Check Optical Information On Huawei WIFI Router In 2025 Smart Earth 1.79K subscribers Subscribe
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Optical modules are widely used in switches, network interface cards (NICs), routers, and other communication devices. During use, reading optical module information helps understand its real
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The selected optical modules must be supported by the optical interfaces. Check whether the optical module used on the switch is certified by Huawei switches. For the Huawei-certified optical modules,
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For checking transmission links on Huawei Routers, it is good to know how to find out the optical power of 100GE modules or interfaces for troubleshooting and making sure the desired or
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Discover how to view the serial number of an optical module with step-by-step guidance from Huawei Technical Support.
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Procedure Check whether the transmit and receive optical fibers are correctly connected. If no, re-connect them. Insert the optical fibers tightly to prevent poor contact. Check whether the optical fiber
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Using a Command If an optical module is installed in a running device, you can run the display transceiver command to view parameters of the optical module, including the center wavelength,
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When certifying an optical module, Huawei comprehensively verifies the functions of the optical module to ensure the optical module quality. The functions include the installation and removal, transmit and
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Use an optical power meter to test the receive power of the port and check whether the optical fiber is disconnected. Use one optical fiber to form a loop on the port to check whether the port goes Up. If
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If an optical module is installed in a running router, you can run the display transceiver command to view parameters of the optical module, including the center wavelength, transmission distance, fiber types
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Use the command display transceiver to view the optical module information of all optical ports, and use the command display transceiver interface interface-type interface-number to view the
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This page provides a guide on checking the transmit and receive optical power of an optical module for Huawei devices.
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Run the display transceiver diagnosis interface [ interface-type interface-number ] command to view diagnostic information about a specified optical module. This command displays the digital diagnostic
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Huawei routers must use Huawei-certified optical modules. Non-Huawei-certified optical modules cannot ensure transmission reliability and may affect service stability. Huawei is not
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Taking the Huawei 5700 series switches as an example, the commands to view optical module information are as follows:
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Using a Command If an optical module is installed in a running router, you can run the display transceiver command to view parameters of the optical module, including the center wavelength,
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If only the number of B3 bit errors increases, check whether the link directly connecting the remote router and SDH transmission device is working stably. If the link is a pure WDM link, check the
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Call Huawei global service hotline or contact software maintenance engineers to verify the software version. If allowed, reboot the device or power off and restart the device. Services on
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Displaying Optical Module Information You can use the display commands to view information about the optical module on an interface, including conventional information, manufacturing information, and
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Although a non-Huawei-certified optical module can be identified and used, its reliability and stability cannot be guaranteed. Check whether the transmit optical power and receive optical
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Form a loop on the port using an optical fiber, and check whether the port can go Up (if optical modules with a long transmission distance are used, use optical attenuators.) Check the configuration, such
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If an optical module is installed in a running router, you can run the display transceiver command to view parameters of the optical module, including the center wavelength, transmission
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For checking transmission links on Huawei routers, it is important to know how to check the optical power of 400GE modules or interfaces for troubleshooting and to ensure the desired or optimal range
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Learn how to display optical module information on Huawei devices using specific commands and understand the diagnostic details of optical modules.
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Learn how to choose the right SFP module for your network and avoid common compatibility mistakes. This practical guide explains SR vs LR, singlemode vs multimode,
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