– If trying to get an unknown device to work, first make a known device work using the above setup, then while keeping the Prolific converter in USB port, just dislodge the serial cable from the known good device to the unknown device (and hit enter) Instead play around with the serial cable end. – If your messing around with the physical connectiong, keep the USB end connected to the PC (dont remove that).
– The baud rate of the device your connecting to is what matters (not the baud rate of your PC) – If you get garbage text, try to change baud rates (look up baud rate of the device to find out the baud rate that you need to be configure for) – When trying to find a working port or changing devices press ENTER after physical connection to see if you get any text It will tell you that can do special commands usingĬONTROL-A then press Z: to see all of the keysĬONTROL-A then press C: to clear the screenĬONTROL-A then press P: to change baud rates on the fly (usefull if your device goes thru different baud rates through its boot up phases, like at POST its at 9600 but post GRUB its at 115200) Now open up minicom and you should be faced with the serial interface “ Save setup as dfl” to save the settings as default. Exit out of the “ Serial Port Setup” to get back to the main menu of “ minicom -s” (minicom setup)ĥ. Change any other settings like baud rate from 9600 to 115200 (usually thats the only setting you have to change – stop bit and the like usually gets left as default)Ĥ. Setup your device (first line) to say “ /dev/ttyUSB0” (without the double quotes of course).ģ. When in “ minicom -s” (minicom setup) navigate with keyboard and mouseĢ. Note: note the use of sudo because /dev/ttyUSB0 probably has permissions only for root (you can ofcourse do some “ sudo chmod 666 /dev/ttyUSB0” type of commands to allow for regular user access) Setup the initial connection parameters (these will be the defaults that last throughout history, you can of course change these) Minicom is best because you can change baud rate and stuff on the fly without exiting. Now lets setup minicom (you can also use programs like screen). It should appear as a /dev/ttyUSB0 (or similar)
The DE9 cable is your typical null-model cable. Also works with Ubuntu 11 (according to link) so should work with Ubuntu 11+ in general.įirst plug in the Prolific to the device.
Remove prolific usb to serial driver install#
Using ubuntu 14.04 I didnt need to install any drives.
Remove prolific usb to serial driver how to#
How to use Prolific RS232 USB to Serial Converter with Ubuntu
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