This Finisar FTLF8519P2BNL compatible SFP transceiver provides 1000 Base-SX throughput up to 550m over multi-mode Fibre (MMF) at a wavelength of 850nm using a LC connector. Our transceiver is guaranteed to be 100% compatible with the equivalent Finisar transceiver. This easy to install, hot swappable transceiver has been programmed, uniquely serialized & data-traffic & application tested to ensure that it will initialize & perform identically. It is built to meet or exceed the specifications of Finisar, as well as to comply with multi-source agreement (MSA) standards to ensure seamless network integration.