Finisar’s FTLC1183SDNx second-generation 100GE CFP optical transceiver modules are designed for use in 100 Gigabit Ethernet links and 4x28G OTN client interfaces over single mode fiber. They are compliant with the CFP MSA, IEEE 802.3ba 100GBASE-LR4 and OTU4 4I1-9D1F requirements specified in ITU-T Recommendations G.959.1/G.709 and Supplement 39 (G.sup39). Digital diagnostics functions are available via an MDIO interface, as specified by the CFP MSA and Finisar Application Note AN-2080. The optical transceiver is compliant per the RoHS Directive 2011/65/EU.