Fast Ethernet Converter These converters are the ideal connectivity solution for networks using a combination of STP and fiber optic types Provides media conversion from STP to multimode ST media type RC-100FX/ST: The maximum cable length for fiber is 2000 m by using a 50/125µm fiber Power supplied by included external power supply unit Colour: Grey Dimensions (WxLxH): 72.5 x 108 x 23 mm Contents: Converter, Power Supply Unit, Manual