Finisar’s FTLF1721S1xCL Small Form Factor (SFF) transceivers are compatible with the Small Form Factor Multi-Sourcing Agreement (MSA) . They comply with SONET OC48 LR-1 (SDH STM L-16.1) standards , and are compatible with Gigabit Ethernet as specified in IEEE Std 802.3 , Fibre Channel FC-PI 13.0 , SONET OC-12 and SONET OC-3 standards . The transceivers are RoHS compliant and lead-free per Directive 2002/95/EC and Finisar Application Note AN-2038