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93 How to view optical module information

You can view optical module information using CLI commands, DDM monitoring, or SNMP, depending on your network device and module type. Viewing Optical Module Information on Huawei DevicesOn Huawei switches, you can use the display transceiver command to check module details. The syntax is: CodeCopydisplay transceiver [ interface interface-type interface-number | slot slot-id ] [ verbose ] This command provides information about the optical module installed on a specific interface, including wavelength, transmission distance, optical power, temperature, voltage, and current.

Huawei recommends using Huawei-certified modules to ensure accurate readings and avoid compatibility issues, as non-certified modules may provide incorrect data or cause hardware problems. Viewing Optical Module Information on Cisco DevicesFor Cisco switches, you can use several CLI commands: Check interface and module status: CodeCopyshow interface This displays interface rate, module type, link state, and traffic statistics. 2.

View inventory and module identification: CodeCopyshow inventoryshow idprom interface These commands provide module type, serial number, Cisco-compatible part number, connector type, transceiver codes, wavelength, and supported distances. 3. Check Digital Diagnostic Monitoring (DDM) metrics: CodeCopyshow interface transceiver detail This shows temperature, voltage, transmit (Tx) and receive (Rx) optical power, and vendor details.

DD

M allows monitoring of module health and early detection of optical degradation. 4.

Optional SNM

P access: If your network supports SNMP, you can query DDM information using commands like: CodeCopysnmpwalk -v2c -c [community string] [module IP address]. 1. 3.

6. 1. 4.

1. 9. 9.

91. 1. 1.

1. 1. 10 This example retrieves the temperature of an SFP+ module in Celsius.

Best Practices

Ensure the module is properly seated and compatible with the switch. Use certified modules to avoid incorrect readings or hardware damage. Periodically monitor DDM metrics to detect early signs of degradation.

For troubleshooting, check both the interface status and module diagnostics. By following these steps, you can effectively view and monitor optical module information, ensuring reliable network performance and proactive maintenance.

93 How to view optical module information

Displaying Optical Module Information

Displaying Optical Module Information Context When the optical module on an interface is faulty, you can run the display commands to view information about the optical module. Related Information

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Displaying Optical Module Information

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Displaying Optical Module Information

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Displaying Optical Module Information

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View the Optical Module Status on a Switch through the Command

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Teach you to read the DDM information of the optical module on the

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FAQ-How Do I View the Transmit and Receive Optical Power of an Optical

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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