As a follow-up, I downloaded the driver file from your source (not RR-Circuits) and tried installing (installer in the Applications Folder). On the first attempt, despite allowing the permissions, the driver extensions didn't install. Deleted, restarted, tried again, failed. Third time...success. Correct USB option shows in Serial Port options, and it reads the engine on the track! Yay.
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FWIW, yesterday I went through the JMRI debug page you cited and it was no help...
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But, I'm up and running now, so it's back to the tutorials to remember how to use the programmer and other features!?
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Thank you!
-alex-
Alex M. Postpischil
Winston-Salem, NC
