NYC Z-MAN posted:Thanks SPFORD27! I also see that ERR at one time offered a simple in-line buffer to drive the CCM and a two wire IR. I don't see it listed on the 3rdrail order page.
I asked for one when I ordered mine and was told the issue was resolved on the board now. It works in a simple set up (rail sounds only, or AC regulator only and two wire IR) but when I added in the AC regulator and smart smoke unit it killed the signal.