U/UTP (Unshielded twisted pairs) cable, which is used in a horizontal or vertical configuration (Backbone), constitutes the base of a very high bit rate V.D.I. (Voice-Data-Image) network. The performances of this cable exceed the current standards and its use with WBT/HypaConnect connectors ensures conformity with Class E channel. This cable is used for transmission of digital and analogue voice, Data and video signals.