WT- 8110M series is a kind of 10/100Mbps intelligent adaptive fast Ethernet media converter .It can implement date transmission between twisted pair electrical signals and optical signals which are the two type of network connection media .This type of media converter can extend the transmission distance of a network from 100M over copper wires to 120KM in which there is no help of any other converter.It should be installed in 16 rack media converter chassis when used