Finisar’s FTLF1523P1xTL 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-3 LR-2/STM L-1.2. 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 .