Harvy posted:If you are only going to use TMCC commands and not Legacy, then you don't even need a SER2. You can connect directly to the Base-1's DB9 serial port. In fact, I don't think it would work if you went through a SER2. If you did I don't think the Base-1 would be able to recognize the commands. As far as I know the Base-1 can only recognize native TMCC commands, and that would not be what it would be receiving if you went through a SER2.. I don't think any LCS module would work with the Base-1. Rudy can confirn that.
Correct, the original Base1 aka Trainmaster Command System is not compatible with and of the Layout Control System/LCS modules. Base1L and Base2 aka 990 Legacy Control System will both work with all LCS modules.
Based on the original poster's needs, no SER2 required.