The Auxiliary Input Unit (AIU) provides a means of connecting external devices such as switch contacts, Block Detectors (BD20), or other sensors to the NCE Cab Bus or Command Station. These external devices can be anything that supplies an electrical connection between the input pins (1-14) and the pins marked "GND" Connects to the NCE cab bus using RJ12 6 wire jack.
The idea of Digitrains was conceived over the dinner table and grew very slowly as doubts calmed missionary zeal. We finally took the plunge in January 2005 and are fortunate to be dealers for some of the best and most user friendly DCC equipment available.