Run the following command to view device board information and identification details of all optical modules: show inventory The output includes the module type, serial number, Cisco-compatible part number, and other details, which are retrieved from the pre-programmed data in the. Run the following command to view device board information and identification details of all optical modules: show inventory The output includes the module type, serial number, Cisco-compatible part number, and other details, which are retrieved from the pre-programmed data in the. i have a modul SFP 10G and cisco SNS 3755, i want to check the serial number of inserted sfp, already googling but not working. how to check sfp module is working? (the indicator lamp woking fine) 03-14-2024 12:51 AM Hi Asri, The best way i know is to enter this command: Just replace the port. Run the display elabel command to view the electronic label of an optical module. BarCode indicates the serial number of the optical module. < HUAWEI > display elabel. [Port_XGigabitEthernet0/0/1] /$ [ArchivesInfo Version] /$ArchivesInfoVersion=3. By checking module health, compatibility, and digital diagnostics, you can quickly confirm correct installation, detect optical problems, and maintain accurate hardware. This article describes the troubleshooting feature for when Small Form-Factor pluggable (SFP) transceivers are installed on the FortiGate showing vendor information, fiber type, temperature, voltage, and optical power. FortiGate models that have SFP transceivers, or can accommodate SFP.