Patent ID: 7742850

Claim:
A method for end of train unit operation comprising the steps of: transmitting a first wireless message from an end of train unit-to an end of train unit-monitoring station located off of any train, the first wireless message including a location of the end of train unit and an identifier that uniquely identifies the end of train unit, the end of train unit including an end of train marker light and a pressure sensor configured to determine air pressure in an air brake pipe; receiving the first message including the location of the end of train unit at the end of train unit monitoring station; transmitting the location of the train the end of train unit from the end of train unit monitoring station to a central authority; transmitting the location of the end of train unit from the central authority to fourth device: receiving the location of the end of train unit at the fourth device and displaying a location of the end of train unit on a map image on a display connected to the fourth device; and transmitting a second wireless message to a fifth device located at the head of the train, the second wireless message including an air pressure sensed by the pressure sensor.