NCE CabBus Auxiliary Input Unit – #524-AIU01

The Auxiliary Input Unit (AIU) provides a means of connecting and monitoring external devices such as switch contacts, Block Detectors (BD20), or other sensors to the NCE Cab Bus or Command Station via RJ12 6 wire jack. These external devices can be anything that supplies an electrical connection between the input pins (1-14) and the pins marked “GND”