ST-C series Fiber Media Converters can convert Optical－Electric Ethernet signals between 10/100M UTP interface (TX) and 100M optical fiber interface (FX). It can extend traditional 10/100M fast Ethernet to the distance of 120km through optical fiber link. It possesses stable performance and good quality by adopting latest IC packages from USA and Taiwan. 6 Group LED indicated lights could fully monitor the working conditions of Converters. It is easy for end-users to observe network operation. ST-C series external power supply Converters could be used alone, or inserted to 14 slots Converters Rack suitable for the use of Network Centre.