Media Module for RUGGEDCOM RSG2100, RSG2100P, RSG2200, RSG2288, RSG2300 and RSG2300P, 2 x 1000MBit/s, SC-interface, Optical: 1000BASE-LX, Single Mode fiber optic up to 25 kilometer, 1300nm (FG04). Requires the in-field modification kit, 6GK6000-1BC50-0AA1.