Cisco 16-Port 1G + 4-Port 2.5G Service Module – Multi-Gigabit Expansion with SFP28/SFP+ SupportThe Cisco Service Module is a high performance, scalable expansion solution designed for optical networks and data networking environments. Engineered for reliability in enterprise deployments, it combines multi gig copper connectivity with flexible fiber options, enabling seamless integration into Cisco switches and routers. With 16 x RJ 45 1000Base T LAN ports and 4 x RJ 45 2. 5GBase T LAN ports, this module delivers robust, industry standard