A communications jack (10) includes: a jack frame (12) having a plug aperture (14) ; a plurality of contact wires (22a-28b), the contact wires having free ends that extend into the plug aperture, the free ends of the contact wires being arranged serially in side-by-side relationship; a plurality of electrical terminals (42a-48b), the terminals being arranged in pairs, each pair defining a communication channel; a dielectric mounting substrate (20), the mounting substrate including a plurality of mounting locations (32a-38b) for contact wires and a plurality of mounting locations (52a-58b) for the electrical terminals; and a plurality of conductors (62a-68b) mounted on the substrate, each of the conductors extending, defining a path, and establishing electrical connection between a contact wire mounting location and an electrical terminal mounting location. First (62a) and second (62b) of the conductors that are connected to one of the pairs of terminals (52a, 52b) each include a coupling section (70, 72), the coupling sections being immediately adjacent to each other and having identical instantaneous current direction such that the sections couple and cause a localized increase in inductance.
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