lbenson
Senior Member
>NAS running Perl and PL2303 drivers
Not to hijack this thread, but if you want to pursue it, I'd ask a few questions.
What's the NAS?
What's it running (if a form of *nix, try 'uname -a')?
Are the drivers for PL2303 for usb and are all the usb drivers available (try "lsmod")?
When you plug in the usb-serial, do you get a device (try 'ls /dev/ttyUSB*')?
If not, when you plug it in after booting and type 'dmesg | tail -n 20' what do you get (the last 20 lines of the console log)?
Do you have a terminal available on the device like picoterm or miniterm on which you could set baud rates and run a loopback (tie pin 2&3) to see if what you type is echoed?
If you have a serial device, e.g., ttyUSB0, with your new scope do you see anything on tx if you do 'echo UUUUUUUU >/dev/ttyUSB0'? Can you figure out what the baud rate is?
More if you're interested.
Not to hijack this thread, but if you want to pursue it, I'd ask a few questions.
What's the NAS?
What's it running (if a form of *nix, try 'uname -a')?
Are the drivers for PL2303 for usb and are all the usb drivers available (try "lsmod")?
When you plug in the usb-serial, do you get a device (try 'ls /dev/ttyUSB*')?
If not, when you plug it in after booting and type 'dmesg | tail -n 20' what do you get (the last 20 lines of the console log)?
Do you have a terminal available on the device like picoterm or miniterm on which you could set baud rates and run a loopback (tie pin 2&3) to see if what you type is echoed?
If you have a serial device, e.g., ttyUSB0, with your new scope do you see anything on tx if you do 'echo UUUUUUUU >/dev/ttyUSB0'? Can you figure out what the baud rate is?
More if you're interested.
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