RUGGEDCOM RSG2100 is an industrially hardened, fully managed Ethernet switch; 128-bit Encryption; Up to 3-Gigabit Ethernet ports copper and/or fiber; Up to 16-Fast Ethernet ports copper and/or fiber; 2 port modules for tremendous flexibility; Non-blocking, store and forward switching; Supports many types of fiber (multimode, singlemode, Bi-directional single strand) Long haul optics allow Gigabit distances up to 70km Multiple connector types (ST, MTRJ, LC, SC, RJ45, micro-D) HI = 88-300 VDC or 85-264 VAC, screw terminal block XX = No power supply 2; RD = 19" Rack, DIN, and Panel Mount Kit R = Ethernet on rear; LED panel on front; power connector on rear XX = Manufacturing modification: none FX07 = 2x 100FX - singlemode 1310nm, SC, 50km FX08 = 2x 100FX - singlemode 1310nm, LC, 50km TX01 = 2x 10/100TX RJ45 TX01 = 2x 10/100TX RJ45 XXXX = none XXXXX = none XXXX = none XXXX = none XXXX = none XXXX = none