Hi, there:

Maybe you could try to use the following commands to find out the device name of the attached USB-RS232 converter.

Code:
dmesg | tail -n 20
The output of dmesg for my converter (enumerated as ttyUSB0) is as follows,

Code:
--- snip --- 
[ 5490.114598] usb 3-1: new full-speed USB device number 2 using xhci_hcd
[ 5490.128896] usb 3-1: New USB device found, idVendor=067b, idProduct=2303
[ 5490.128904] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 5490.128909] usb 3-1: Product: USB-Serial Controller D
[ 5490.128913] usb 3-1: Manufacturer: Prolific Technology Inc.
[ 5490.156854] usbcore: registered new interface driver usbserial
[ 5490.156871] usbcore: registered new interface driver usbserial_generic
[ 5490.156882] usbserial: USB Serial support registered for generic
[ 5490.158480] usbcore: registered new interface driver pl2303
[ 5490.158489] usbserial: USB Serial support registered for pl2303
[ 5490.158506] pl2303 3-1:1.0: pl2303 converter detected
[ 5490.159128] usb 3-1: pl2303 converter now attached to ttyUSB0

Hope this trivial info helps a bit...


ATB,