Finisar's industrial temperature 40km FTLX1612M3BTL Small Form Factor 10Gb/s XFP transceivers complies with the current XFP Multi-Source Agreement (MSA) Specification. 10GBASE-ER 40km XFP complies with SONET OC-192 IR-2, OC-192 IR-3, SDH STM S-64.2b, STM S-64.3b as well as with 10-Gigabit Ethernet 10GBASE-ER/EW per IEEE 802.3ae and 40km 10G Fibre Channel applications. Digital diagnostics functions are available via a 2-wire serial interface, as specified in the XFP MSA. The transceiver is RoHS compliant and lead free per Directive 2011/65/EU, and Finisar Application Note AN-2038.