Connector 1 comprising: a plurality of twisted-pair cables 6 each comprising two twisted wires 7, 8, each of said wires 7, 8 being connected to a terminal 23, 24; a plurality of cavity blocks 9, each of said cavity blocks 9 has two cavities 17, 18 for accommodating the terminals 23, 24 of one of said twisted-pair cables 6; a housing 3 having an accommodation chamber 10 for accommodating the plurality of said cavity blocks 9.