From Digitrax Nov. 2, 2020:
Now Shipping: BD4N DCC 4 Block Occupancy Detector
BD4N DCC 4 Block Occupancy Detector Features:- 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 (has been discontinued).
BD4N MSRP $36.00
There's some problems here though. They do not give a lot of information that model railroaders may need. Such as:
- No close look at the device
- No indication of where the sensitivity control is located (presumably setting all four blocks at once, not individually)
- No spec on the LED voltage supplied
- No info on the outputs to feed signalling boards
- No description of the cable for the LED outputs.
Most of these problems can be answered by examining the instruction sheet.
You will have to make your own decision on this one.
If you have an idea for a blog post here, let me know. If I can comment on it, I will or I'll see if someone else can and post it.
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