How to view the optical module backend

You can view the optical module backend by using CLI commands on your switch to access transceiver information, including link status, power levels, temperature, and vendor details.Viewing Optical Module Information on Huawei SwitchesOn Huawei switches, you can use the following commands:display transceiver – Shows information for all optical ports, including transceiver type, connector type, wavelength, transfer distance, and vendor details.display transceiver interface interface-type interface-number – Displays information for a specific port.Adding the verbose parameter provides detailed diagnostics such as temperature, voltage, bias current, and thresholds, which is useful for monitoring the health of the optical module .Viewing Optical Module Information on Cisco SwitchesFor Cisco switches, the process involves accessing the switch via CLI:Log in to the switch console using Telnet, SSH, or direct console connection.Enter Privileged EXEC mode.Use commands such as:show interface – Displays port negotiation speed, transceiver type, link status, and traffic statistics.show interface status – Lists all ports and their status.show fiber-ports-optical-transceiver – Provides detailed optical module information, including transmit/receive power, temperature, and vendor details.show fiber optic port media converter [interface interface ID] – Displays media converter and module details for a specific port .Key Parameters to MonitorWhen viewing the optical module backend, important parameters include:Link Status: UP indicates normal operation.Transmit/Receive Power: Helps detect signal degradation.Temperature and Voltage: Ensures the module operates within safe limits.Vendor and Serial Information: Useful for compatibility and warranty verification.Digital Diagnostic Monitoring (DDM/DOM): Provides real-time monitoring of module health .Best PracticesAlways verify that the optical module is compatible with your switch.Use verbose or detailed commands to monitor real-time diagnostics.Regularly check module parameters to prevent link failures and maintain network performance.For troubleshooting, compare current readings with manufacturer specifications to identify potential issues. By following these steps, you can effectively access and monitor the backend information of optical modules on both Huawei and Cisco switches, ensuring optimal network performance and reliability.