RUGGEDCOM RS900GP is a utility grade, fully managed Ethernet switch providing dual fiber optical or copper Gigabit Ethernet ports & 8 Fast Ethernet copper ports power over Ethernet, 802.3at 128-bit Encryption; 8 Fast Ethernet Ports (10/100BaseTX) all External 802.3af/802.3at compliant PoE; Up to 2 Fiber Optical Gigabit Ethernet Ports (100/1000BaseX); Up to 2 10/100/1000 BaseTX Multiple fiber connector types (LC, SC,ST, SFP XX = External power supply required XX = External power supply required D = DIN Rail Mounting xx = none XX = Manufacturing modification: none FG02 = 2 x 1000LX - Singlemode, 1310nm, SC connectors, 10km