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Rev

You have answered this 10 mins after I wrote my answer above and you haven't added any further information at all !
– X Tian
Commented Feb 26, 2014 at 15:24
Oh sorry, I did not read your answer completly. I saw that my answer is included in yours, so I will accept your answer as the correct one, as you described just what I have described.
– Alex
Commented Feb 26, 2014 at 16:06
I don't know much about COM ports. Could you please explain what does "the serial device (on the other end) is not blocking" mean? Some issue with the firewall?
– Sopalajo de Arrierez
Commented Sep 13, 2015 at 15:55
echo -ne '\xFF' > /dev/ttyUSB0 works for me. if someone is having issues make sure the baud rate of your port is the same as the baud rate of your device.
– Cheetaiean
Commented Jul 9, 2021 at 16:48

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