Check Huawei fiber optic switch version

Use the display version command on your Huawei switch to view the firmware/software version, model, and running time.Checking Switch VersionTo determine the version of your Huawei fiber optic switch:Access the switch CLI via console, SSH, or Telnet.Run the command:CodeCopydisplay version This command shows the switch model, software version, and uptime. For example, on an S5720HI switch, it will display slot information, rear cards, and power modules if present .Optional: UseCodeCopydisplay device to view the type and status of components on the switch, including whether modules are registered .Checking Optical Module VersionIf you want to verify the optical module version or certification:Run the command:CodeCopydisplay transceiver [interface interface-type interface-number | slot slot-id] This displays detailed information about the optical module, including vendor name, wavelength, transmission distance, and digital diagnostic monitoring (DMM) data .Check certification: For Huawei-certified modules, the display version output should show V200R008 or later, and the Vendor Name field in display transceiver should display HUAWEI .Interface overview: If you are unsure of the interface, run:CodeCopydisplay interface brief to list all interfaces and their status .Additional NotesFor stacked devices, you can display compatible information using:CodeCopydisplay compatible-information to ensure the NMS can manage the switch correctly .Always verify that optical modules are Huawei-certified to avoid compatibility or data bus issues . By following these commands, you can accurately check both the switch firmware version and the optical module details on Huawei fiber optic switches.