Finisar's FTLX1472M3BCL 10Gb/s Enhanced Small Form Factor Pluggable SFP+ transceivers are designed for use in 10-Gigabit, multi-rate links up to maximum 10km over G.652 single mode fiber. They are compliant with SFF-8431, SFF-8432, ITU-T G.693 VSR2000-2R1