Siemens 6GK6000-8FG51-1AA1 Media Module for RUGGEDCOM RSG2100, RSG2100P, RSG2200 and RSG2288. 1 x SFP-slot. Equipped with 1 x SFP1122-1SX, 1000 Mbit/s, Multi Mode fiber Optic, up to 500 meter, 850nm. (1FG) (conformal coated). Requires the in-field modification kit.