Allied Telesis AT-MC102XL Transceiver/Media Converter - 2 Port(s) - 1 x Network (RJ-45) - 1 x SC - 100Base-TX, 100Base-FX - 2 km - External, Rack-mountable, Wall Mountable AT-MC102XL Fast Ethernet Media Converter is stand alone media converter that allows you to connect disparate cable types in your network. Media conversion offers you the ability to: Extend network distances by adding fiber only where it is needed, Add new devices without replacing costly cable, Keep pace with changing technology and Integrate high-bandwidth devices into the network.