Patent ID: 8078346

Claim:
An operator interface unit for an electrically controlled pneumatic (ECP) system which interfaces a locomotive pneumatic train brake control system to a train of ECP brake equipped cars, the interface unit comprising: a housing with a first electrical port having a first pair of terminals configured to be connected to a pair of network wires of the locomotive, and a second pair of terminals configured to be connected to a power source; a display and input device provided on the housing; a controller assembly connected to the first pair of terminals as a node on a network so as to be powered by the second pair of terminals, to drive the display and to receive inputs from the input device; a transceiver configured to provide wireless communication with the ECP system; and an adapter connected to the transceiver and the first pair of terminals and configured to interface the transceiver with the controller assembly via the network, wherein the controller assembly has a second electrical port connected to the first and second pairs of terminals of the first electrical port.