When optical modules are installed on switches, it is necessary to read internal module parameters to monitor operating status, including link connectivity, real-time transmit/receive optical power, and temperature. The following GE SFP (1000Mbps) transceivers are supported: MGBSX1:1000BASE-SX SFP transceiver, for multimode fiber, 850 nm wavelength, supports up to 550 m. MGBT1:. This guide uses the Moduletek SFP-25G-SR optical module connected to a Cisco C9300 switch as an example. Check Optical Module and Port Status Execute the following command to view detailed interface and optical module status: show. If an optical module on an interface is faulty, you can run the display commands to view information about the optical module. Related Information Video Identify a Huawei-Certified Optical Module Run the display transceiver [ interface interface-type interface-number | slot slot-id ] [ verbose ]. This article provides instructions on how to view the Optical Module Status on your switch through the Command Line Interface (CLI). In. The introduction of Digital Diagnostic Monitoring (DDM), often referred to as Digital Optical Monitoring (DOM), fundamentally transformed this paradigm, converting the passive transceiver into an intelligent, active network component. DDM is not merely a feature; it is an industrialized standard.