A communications jack, comprising: a housing having a plug aperture; a wiring board; a first contact wire and a second contact wire that form a first differential pair of contact wires (222a, 222b), the first and second contact wires (222a, 222b) each having a fixed end portion that is mounted in the wiring board and a free end; and a third contact wire and a fourth contact wire that form a second differential pair of contact wires (226a, 226b), the third and fourth contact wires (226a, 226b) each having a fixed end portion that is mounted in the wiring board and a free end; wherein at least a portion of the first differential pair of contact wires (222a, 222b) is sandwiched in between the contact wires of the second differential pair of contact wires (226a, 226b), the communications jack characterized in that: a crossover segment of the third contact wire crosses over the first contact wire, the second contact wire and the fourth contact wire; a crossover segment of the fourth contact wire crosses under the first contact wire, the second contact wire and the third contact wire; and the jack further includes a first support structure that supports the third contact wire and a second support structure that supports the fourth contact wire, wherein a support finger extends away from each crossover segment; wherein the first and second support structures (227a, 227b) support the respective support fingers so that the free ends of the third and fourth contact wires (226a, 226b) are able to deflect in response to insertion of a plug into the plug aperture without contacting the first or second contact wires (222a, 222b). a housing having a plug aperture; a wiring board; a first contact wire and a second contact wire that form a first differential pair of contact wires (222a, 222b), the first and second contact wires (222a, 222b) each having a fixed end portion that is mounted in the wiring board and a free end; and a third contact wire and a fourth contact wire that form a second differential pair of contact wires (226a, 226b), the third and fourth contact wires (226a, 226b) each having a fixed end portion that is mounted in the wiring board and a free end; wherein at least a portion of the first differential pair of contact wires (222a, 222b) is sandwiched in between the contact wires of the second differential pair of contact wires (226a, 226b), the communications jack characterized in that: a crossover segment of the third contact wire crosses over the first contact wire, the second contact wire and the fourth contact wire; a crossover segment of the fourth contact wire crosses under the first contact wire, the second contact wire and the third contact wire; and the jack further includes a first support structure that supports the third contact wire and a second support structure that supports the fourth contact wire, wherein a support finger extends away from each crossover segment; wherein the first and second support structures (227a, 227b) support the respective support fingers so that the free ends of the third and fourth contact wires (226a, 226b) are able to deflect in response to insertion of a plug into the plug aperture without contacting the first or second contact wires (222a, 222b). a crossover segment of the third contact wire crosses over the first contact wire, the second contact wire and the fourth contact wire; a crossover segment of the fourth contact wire crosses under the first contact wire, the second contact wire and the third contact wire; and the jack further includes a first support structure that supports the third contact wire and a second support structure that supports the fourth contact wire, wherein a support finger extends away from each crossover segment; wherein the first and second support structures (227a, 227b) support the respective support fingers so that the free ends of the third and fourth contact wires (226a, 226b) are able to deflect in response to insertion of a plug into the plug aperture without contacting the first or second contact wires (222a, 222b).