MikroTik SFP module S-31DLC20D, a 1.25G SFP transceiver with a 1310nm Dual LC connector, for up to 20 kilometer Single Mode fiber connections, with DDM, Units are tested and compatible with CCR1072, CCR1036, CCR1016, CCR1009, CRS125, CRS226, CRS212, CRS210, CRS112, CRS109, RB3011, RB2011, RB260, RB922 921, RB953GS, hAP AC, FTC. Units are compatible with non-MikroTik SFP devices as well. Više informacija na linku