48 (+4 SFP) Port Gigabit Managed Switch. Cisco Catalyst WS-C2960S-48TS-L.
4 SFP fibre ports. It supports Gigabit Ethernet (1000-Mbit/s) and is connected via wired-Ethernet (RJ-45). (Can also be managed on theain lan). It is perfect for Enterprise Networking, Servers, and Switches & Hubs.