Finisar® FTLF1419P1BCL Compatible 1000Base-LX SFP Transceiver (SMF, 1310nm, 40km, LC, DOM). A 100% Finisar® compatible SFP transceiver that operates at 1310nm over single-mode fiber, with a maximum reach of 40km connected via a LC connector. This Finisar® SFP transceiver is 100% compliant with its designed networking application, and is factory programed with Finisar® specific configuration data required for seamless networking integration. This SFP transceiver will initialize and perform identically to Finisar's transceiver and is built to meet or exceed Finisar's specifications, and comply with MSA (Multi-Source Agreement) standards. The actual part shipped may have a different part number, but will be functionally identical and 100% compatible. Trade Agreements Act (TAA) versions of this part are available.