@tcbetka it would appear to me that the framing errors might be a baud rate issue. i’m not around at the minute to test, but try lowering the baud rate to 9600 and see if the framing errors go away. if they do, go up in baud one at a time (19200, 38400, 57600) to see if they come back and where. it could quite well be a baud generation timer issue.