This guide provides complete, step-by-step CLI commands to view module type, DOM/DDM diagnostic data, vendor details, and compatibility information, fully compliant with Cisco IOS and IOS-XE command standards. Prerequisites for Accessing the Cisco SwitchIf an optical module on an interface is faulty, you can run the display commands to view information about the optical module. Identify a Huawei-Certified Optical Module Run the display transceiver [ interfaceinterface-typeinterface-number | slotslot-id ] [ verbose ] command to view information. 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. Legal information Warning notice system This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert symbol, notices referring only to. Read this document and the documents listed in the additional resources section about installation, configuration, and operation of this equipment before you install, configure, operate, or maintain this product. Users are required to familiarize themselves with installation and wiring instructions.
