Patent ID: 7456522

Claim:
An electronics module, comprising: multiple current and inrush limiting control circuits each adapted to receive power from one of a plurality of electronic units, wherein the electronic units are configured to receive power from a line also carrying data signals; multiple input switch and current limiter circuits each input switch and current limiter circuit coupled to one of the multiple current and inrush limiting control circuits; multiple input filters each filter coupled to one of the multiple input switch and current limiter circuits; a pulse width modulator switching regulator coupled to each of the multiple input filters, wherein the pulse width modulator provides power to auxiliary equipment; multiple turn on control circuits, each control circuit adapted to receive an on signal from one of the plurality of electronic units; a voltage control summer adapted to receive a voltage select signal from each of the plurality of remote units and control the voltage output to the pulse width modulator switching regulator; and a fault monitoring circuit.