new and high quality OneTwisted pair/Arrangement of wiring for copper shaft cable. All products are shielded RJ45 The wiring of twisted pair and copper. BT-733yes75/120Ohm converter, also called balanced unbalanced converter, has been solved 75Ohm BNC Copper shaft to120 Signal conversion problem of ohmic twisted pair. The belt can be realized BNC PortG.703 Equipment and belts RJ45 Interfacing G703 Demand for equipment docking. Many units can also be used 16 Centralized management of mouth frame 75/120Ohm balanced unbalanced converter. Rack type products, full configuration, support16Path conversion,Can be configured arbitrarily. Specifications: mission, Line:, ITU/CCITT, G703 (unstructured) Data Rate: 2.048Mbps 75OhmJoint: Double copper shaft interface BNC 120ohmJoint: 8P8C RJ45,Shielded end. electric source: No external power supply required. Colour:black Material:Metal Package Contents: 1 * Ohm mitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.