AddOn Media Converters and Network Interface Cards are 100% compliant for all of our networking needs. The ADD-GMC-SX-5SC provides a cost effective conversion from 1000Base Copper to 1000Base-SX fiber, while extending your network reach beyond the 100m reach limitation of copper. Economically priced. Stretch your IT budget by using AddOn products - DRAM, SFP/GBIC Transceivers, Media Converters, Fiber Optic NIC cards, etc.