A duplex plug adapter module includes a dielectric housing having a forward end and a rearward wire receiving end. The housing is configured to be mechanically coupled to first and second signal cables. A contact is held within the housing. The contact has a forward mating end and a rearward wire terminating end. The housing includes a passageway that is configured to receive a sensor probe that is shared by the first and second signal cables. The contact is configured to interconnect the sensor probe and a sensor wire.