The RUGGEDCOM RSG2300 is an industrially hardened, fully managed, modular Ethernet switch 128-bit Encryption 24 10/100TX copper ports Optional up to 4 1000LX Gigabit Ethernet ports (copper and/or fiber) and up to 8 100FX Fiber Fast Ethernet ports 2 port modules for tremendous flexibility Non-blocking, store and forward switching Multimode, Singlemode Long haul optics allow distances up to 90km Multiple connector types (ST, MTRJ, LC, SC) HI = 88-300VDC or 85-265VAC, screw terminal block XX = No Power Supply 2 RM = 19 Rack Mount Kit F = Ethernet on front LED panel on front power connector on rear XX = Manufacturing modification none FL01 = 2 x 10FL - Multimode, 850nm, ST FL01 = 2 x 10FL - Multimode, 850nm, ST CG01 = 2 x 10/100/1000Tx RJ45 FG70 = 2 x 1000LX GBIC - Blank (no optical transceiver)