Media Module for RUGGEDCOM RSG2100, RSG2100P, RSG2300, RSG2300P, RS416 and RS416P, 2 x 100MBit/s LC-interface, Optical: 100BASE-FX, Single Mode fiber optic up to 20 kilometer, 1310nm (FX06). Requires the in-field modification kit, 6GK6000-1BC50-0AA1.