ADD-FMC-FX-SFP is a Media Converter that converts 100Base-TX to 100Base-X (SX,BX, LX) via an Open SFP Port. The ADD-FMC-FX-SFP provides a cost effective conversion from 100Base Copper to 100Base-X, while extending your network reach beyond the 100m reach limitation of copper. ADD-FMC-FX-SFP will support SM or MM 100M SFP Modules. AddOn - Network Upgrade Media Converters and Network Interface Cards are 100% compliant for all of our networking needs.