IS-100FX Small Form Factor Pluggable SFP transceivers are compliant with the current SFP Multi-Source Agreement ( MSA ) Specification. The high-performance uncooled 1310nm FP transmitter and high sensitivity PIN receiver provide superior performance for Fast Ethernet applications up to MMF 2km optical links. This product is designed to convert host Gigabit SerDes signals directly to Fast Ethernet optical signals. The host interface does not need to support SGMII capability for the 100BASE-FX application.