What I expect is something like 00FF00........ (Where that 00FF00 is the preamble marking start of an incoming packet)
But... even without requesting any data I get the folowing:
From Run #1 (In hex) is:
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
On a second run I get:
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
It looks like there is some kind of random pattern here, but I don't really see it... not enough to figure out the problem.
I'm pretty sure the baud rate/parity/stop bits are right, but I can confirm in a few hours when I have more time.