Run the command to view interface information: diagshow The command output includes interface rate, duplex mode, interface status and other details. A port status of Up means the optical module works normally and is in usable state. Related Information Video Identify a Huawei-Certified Optical Module Run the display transceiver [ interface interface-type interface-number | slot slot-id ] [ verbose ]. When an optical module is deployed on a switch, it is necessary to read its internal information to check the operating status, such as link status, real-time transmit and receive optical power, and temperature. It also verifies coding compatibility and locates link faults efficiently. Thresholds that trigger a high.