Plug connector having differential mode end node termination module

A differential mode end node termination module for a plug connector comprising:

• a termination module housing including a main body having a pocket, the main body including an access window open to the pocket;
• and
• a differential mode signal processing assembly received in the pocket, the differential mode signal processing assembly including an end node printed circuit board (PCB) with a differential mode control circuit, the differential mode signal processing assembly including a differential mode signal processing component mounted to the end node PCB for processing signals on the differential mode control circuit, the end node PCB includes a perimeter edge between opposite first and second surfaces of the end node PCB, the differential mode signal processing component mounted to the first surface, the end node PCB including a signal edge pad along the perimeter edge, the signal edge pad coupled to the differential mode control circuit;
• wherein the end node PCB is configured to be electrically connected to a signal contact of the plug connector by a jumper contact of the plug connector through the access window.

An electrical connector system comprising:

• a header connector including a header housing holding header contacts, the header housing including a receptacle, the header contacts including mating ends in the receptacle;
• and
• a plug connector received in the receptacle and mated to the header contacts, the plug connector comprising:
• a plug housing having a mating end and a cable end, the mating end configured to be mated with a header connector, the plug housing including first and second module channels between the mating end and the cable end;
• a data module received in the first module channel, the data module including a data module housing holding signal contacts terminated to ends of signal wires of a data cable, each signal contact including a mating end configured to be mated to the header connector;
• a differential mode end node termination module received in the second module channel, the differential mode end node termination module including a termination module housing with a pocket, the differential mode end node termination module including a differential mode signal processing assembly received in the pocket, the differential mode signal processing assembly including an end node printed circuit board (PCB) with a differential mode control circuit, the differential mode signal processing assembly including a differential mode signal processing component mounted to the end node PCB for processing signals on the differential mode control circuit;
• and
• jumper contacts held by the plug housing, each jumper contact including a signal contact mating interface electrically connected to the corresponding signal contact and an end node mating interface electrically connected to the differential mode end node termination module to electrically connect the signal contacts to the differential mode control circuit within the plug connector.