Finisar’s FTLX6672MCC optical transceivers are Enhanced Small Form Factor Pluggable Tunable SFP+ transceivers designed for use in 10-Gigabit multi-rate links up to 40km of G.652 single mode fiber. They are compliant with SFF-8431, SFF-8432 , SFF-8690, and and support SONET OC-192, SDH STM-64, and 10G Fibre Channel over 40km fiber. Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF-8472. The optical transceiver is compliant per the RoHS Directive 2011/65/EU. See Finisar Application Note AN-2038 for more details.