Finisar's FTLX8571D3BCV 1G/10G Dual-Rate SFP+ transceivers are designed for use in 1-Gigabit and 10-Gigabit Ethernet links over multimode fiber. They are compliant with SFF-8431, IEEE 802.3-2005 10GBASE-SR/SW and 1000BASE-SX. Digital diagnostics functions