Perle C-1000MM-S1SC120D Media Converter - 1 x SC Ports - 1000Base-SX, 1000Base-BX-D - 74.56 Mile - Internal

With 1000Base-SX technology get up to 1000Mbps data transfer rate over optical fiber cable Takes minimal energy and effort to get installed internally Expand your network capabilities with this 2 transceiver/media converter