D-Link DIS-M100G-SW Transceiver/Media Converter - 1 Port(s) - 1 x Network (RJ-45) - Optical Fiber, Twisted Pair - Gigabit Ethernet - 1000Base-T, 1000Base-X, 1000Base-FX - 1.0 x Expansion Slots - SFP (mini-GBIC) - 1 SFP Slots - DC - DIN Rail Mountable, Wall Mountable