Serial ports
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Configuring serial ports[edit]
Set serial port 4:
config-pin p9.11 uart config-pin p9.13 uart stty -F /dev/ttyO4 sane
It works if cross-connected with port ttyO1:
cat "pippo" > /dev/ttyO1
cat /dev/ttyO4
but not with RDM6300. FUCK FUCK FUCK
