NCE 5240200 AIU01 Auxiliary Input Unit Un-Coupler 144 Whisker® Short Underset -

144 Whisker® Short Underset - Metal - One Pair

Up to 7 Bells

150-551 are available so you can also use Code 100 track on the same layout if desired

The Andrews truck is also a turn of the century design that was long lived

NCE 5240200 AIU01 Auxiliary Input Unit Un-Coupler 144 Whisker® Short Underset -NCE 5240200 AIU01 Auxiliary Input Unit 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" Click here for the manual from NCE Information Station