Finally returned to this project Sorry for the long delay. Was able to read the input with
setfreq M32
serin C.1,N19200_32,($10,$03,$10,$08),b0
the above works great but the following doesn't seem to work
setfreq M16
serin C.1,N19200_16,($10,$03,$10,$08),b0
Shouldn't they both work ?