ADD-FMC-FX-2SC is a Media Converter that provides conversion from 100Base-TX to 100Base-LX via a 1310nm single-mode fiber (SMF) SC connector, allowing for distance reach up to 20km. The ADD-FMC-FX-2SC provides a cost effective conversion from 100Base Copper to 100Base-LX fiber, while extending your network reach beyond the 100m reach limitation of copper. AddOn - Network Upgrade Media Converters and Network Interface Cards are 100% compliant for all of our networking needs.