S-CAB Radio Receivers with 21MTC Header
NMRA standard S-22.214.171.124 lists pin assignments on page 6, Dec 1, 2020 version. Although it is best if a user skips the details, 3 pins are used to implement a direct radio connection (DRC) to the decoder.
- NCE D16MTC
- SoundTraxx ECO-21PNEM
- SoundTraxx TSU-21PNEM
Short answer: Nothing. The decoder will have power from wheel pickups, but no control.
Will it be damaged? No.
Will it Fit?
Length: 30 mm (1.18"), Width: 15.5 mm (0.61"), Height: 6.5 mm (0.26")
LXR-NEM is 2.4 mm (0.1") thick.
If mounted horizontally, allow 8.9 mm (0.35") vertical clearance.
Will MTC Decoders be Useful?