1000M Ethernet Fiber Media Converter is a kind of stand-alone type media converter that includes one main board of fiber converter and different kinds shell and can be centralized control by chassis. It is used to translate the data between 10Base-T twisted-pair and 10Base-FL optical cable or between 100Base-TX twisted-pair and 100Base-FX optical cable or between 100Base-T twisted-pair and 100Base-FX optical cable. And this equipment can extend the transmission distance from 100m to 80KM via the quick Ethernet Fiber Optical. It adapts to the connection of optical fiber of backbone and is a kind 1000M Ethernet Fiber Media Converter of fine quality and low price. It is primarily used in broadband WAN established by data network operators as Telecast, Netcom, Unicom, or industrial broadband industrial private network of government, finance, oil, police, force, railway, power, transportation, education, etc