Digitrax BD4N DCC 4 Block Occupancy Detector

Low-cost, High-sensitivity DCC block-occupancy detection.
Adjustable resistance/current detection section (DS) trip threshold.
8A capacity, suitable for all scales and track wiring configurations.
Noise resistant and compatible with BDL168 sections.
On-board status leds for stand-alone occupancy and track power indication, expandable for optional LT5 or fascia mounted occupancy indicator leds.
Plug and Play connections to simplify setup. Can cascade Booster wires.
Isolated Occupancy output signal lines can drive most common signal system or control interfaces.
Compatible with DS64 and SE8 modules for signaling, control and reporting occupancy onto LocoNet.
Replaces the BD4.