<p>A duplex plug adapter module (170) includes a dielectric housing (220) having a forward end (224) and a rearward wire receiving end (226). The housing is configured to be mechanically coupled to first and second signal cables (182). A contact (270) is held within the housing. The contact has a forward mating end (290) and a rearward wire terminating end (292). The housing includes a passageway (228) that is configured to receive a sensor probe (190) that is shared by the first and second signal cables (182). The contact (270) is configured to interconnect the sensor probe (190) and a sensor wire (192).</p>