Omnitron Systems FlexPoint Gx Gigabit Ethernet Copper-to-Fiber Media Converter - 1 x Network (RJ-45) - 1 x ST Ports - DuplexST Port - Single-mode - Gigabit Ethernet - 1000Base-T, 100Base-SX/LX - Rack-mountable, Wall Mountable, Standalone, Rail-mountable, External: