Perle CM-1000MM-S1SC120U Media Converter - 1 x SC Ports - 1000Base-SX, 1000Base-BX-U - 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 Attach multiple devices together or expand the number of devices connected to your existing network by using 2 transceiver/media converter