Abstract: An electrical communications system includes a communications cable that couples electrical communications between a first device, a second device, and a third device, the communications cable having a group of root wires that electronically and modularly connects to the third device to permit electronic communication with the third device and allow communications and signaling between the first, second, and third devices without the functionalities of each the first, second, and third devices detrimentally affecting one another.

Abstract: An input protection circuit for protecting components of an input circuit. The input protection circuit includes a resettable fuse that functions as a current limit integrated circuit to maintain a maximum current so that the circuit can function in a normal operating range with less current. A Zener diode can measure the circuit's voltage and control a metal oxide semiconductor field-effect transistor (MOSEFT) to avoid impact with the analog signal input. The MOSEFT is open if a voltage input is less than a Zener diode breakdown voltage. The Zener diode breakdowns the current flow directly into a ground via the MOSEFT if the voltage input is higher than the Zener diode breakdown voltage. The resettable fuse will shut down until the resettable fuse is reset if the current is higher than the resettable fuse trip current. The protect circuit restarts after the resettable fuse is reset.