Finisar’s FTLF1522P1xTL Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA)1. They comply with SONET and SDH standards2 at OC-12 LR-2/STM L-4.2. Digital diagnostics functions are available via the 2-wire serial bus specified in the SFP MSA. The optical transceiver is compliant per the RoHS Directive 2011/65/ EU3. See Finisar Application Note AN-2038 for more details4.