Comprehensive Controllable Network. The DGS-3000 Series Gigabit L2 Managed Switches provide wired Gigabit speeds, featuring a variety of ports for increased network bandwidth. Surge protection, advanced Layer 2 functions, and a suite of security and management tools make the DGS-3000 Series Gigabit L2 Managed Switches ideal for Metro Ethernet and campus applications. Multi-Gigabit Performance The DGS-3000 series come with a variety of port types, including 1 G RJ-45 ports, 1 G SFP ports, and 10G SFP+ ports, with all models offering a minimum of at least 2 1 G SFP ports.