Finisar's 40km FTLX3611-3xx Small Form Factor 10Gb/s (XFP) transceivers comply with the current XFP Multi-Source Agreement (MSA) Specification. They comply with SONET OC-192 IR-2 and SDH STM S-64.2b, as well as with 10-Gigabit Ethernet 10GBASE-ER/EW per I