Perle CM-110-S2ST20 Fast Ethernet Media and Rate Converter - 1 x Network (RJ-45) - 1 x ST Ports - 100Base-LX, 10/100Base-TX - 12.43 Mile - Internal

With 100Base-LX technology get up to 100Mbps 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