Finisar's FTLX8571D3BCL 10Gb/s SFP+ transceivers are designed for use in 10-Gigabit Ethernet links over multimode fiber. They are compliant with SFF-8431, SFF-8432 and IEEE 802.3ae 10GBASE-SR/SW. Digital diagnostics functions are available via a 2- wire serial interface, as specified in SFF-8472.