scope:

Specifies an electrical connector and its pin layout for mounting on a agricultural tractor with a nominal 12-volt battery supply for the purpose of providing an interface between tractor-mounted sensors and equipment requiring signals from those sensors. The connector also provides access to a low-current power source, to provide power primarily to instrumentation. This standard therefore provides a short-term solution to data communication between a restricted set of tractor-mounted sensors and other equipment such as monitors, actuators and control systems on agricultural tractors and attached machinery, in anticipation of the availability of a standardized digital data bus system. It allows limited data communication facilities for lower specification tractors not fitted with a digital data bus system.