ADD-MCC1MSM20 is a Media Converter Card that converts a 100Base-TX(RJ45) to 100Base-LX(SC) via a 1310nm single-mode fiber (SMF) SC connector, which allows distance reach up to 20km. It provides a cost effective conversion from 100Base Copper to 100Base-LX fiber, while extending the network reach beyond the 100m reach limitation of copper. ADD-MCC1MSM20 can be used in AddOn’s Add Rack system (ADD-RACK-16, ADD-MRACK-16) or Standalone chassis (ADD-ENCLOSURE). Addoncomputer.com Media Converters and Network Interface Cards are 100% compliant for all of our networking needs. Now you have a cost effective solution to your network upgrade needs. With our ADDON CERTIFICATION TEST Program, we can guarantee your product will work right the first time.