TMCC Pinout Help Needed

C&O AllanOGR Forum Member DIGITAL SUBSCRIBER

I am changing out a TMCC Railsounds board for an older ERR Sound Commander board to get the correct sounds for an RS15. The TMCC board is the type below with 1 motherboard and 3 daughter boards (see below). My question is that I don't know which pin carries the serial signal to the sound board. Can anyone help or provide a diagram? I couldn't find one online.

Diagram:

Thanks in advance.

1/30/1510:43 PM

Original Post

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