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pl2303 usb-to-phone serial cable



Hi,
I just bought a no-name USB-to-phone serial cable on eBay, hoping that
it would allow me to use my mobile phone as a modem from Linux.

Everything appears to be going fine when I connect it to my laptop
(debian unstable 2.6.0 kernel):

Jan 27 20:22:11 localhost kernel: hub 1-0:1.0: new USB device on port 1,
assigned address 10
Jan 27 20:22:11 localhost kernel: drivers/usb/serial/usb-serial.c:
descriptor matches
Jan 27 20:22:11 localhost kernel: drivers/usb/serial/usb-serial.c: found
interrupt in
Jan 27 20:22:11 localhost kernel: drivers/usb/serial/usb-serial.c: found
bulk out
Jan 27 20:22:11 localhost kernel: drivers/usb/serial/usb-serial.c: found
bulk inJan 27 20:22:11 localhost kernel: pl2303 1-1:1.0: PL-2303
converter detected
Jan 27 20:22:11 localhost kernel: drivers/usb/serial/usb-serial.c:
get_free_serial 1
Jan 27 20:22:11 localhost kernel: drivers/usb/serial/usb-serial.c:
get_free_serial - minor base = 0
Jan 27 20:22:11 localhost kernel: drivers/usb/serial/usb-serial.c:
usb_serial_probe - setting up 1 port structures for this device
Jan 27 20:22:11 localhost kernel: drivers/usb/serial/usb-serial.c:
usb_serial_probe - registering ttyUSB0
Jan 27 20:22:11 localhost kernel: usb 1-1: PL-2303 converter now
attached to ttyUSB0 (or usb/tts/0 for devfs)
Jan 27 20:22:11 localhost usb.agent[4020]: kernel driver pl2303 already
loaded

The problem is that when I connect my Nokia 3589i phone to it, I'm
unable to communicate with it.  I've tried using minicom to send modem
commands directly to the /dev/ttyUSB0 port, but this doesn't do
anything.  I've also tried gnokii, the linux Nokia phone manager
program.  No luck, the phone's display doesn't even indicate anything.

I'm not sure if there's something wrong with my cable or whether it's a
problem with the software or what I am doing wrong.  Any advice would be
greatly appreciated!!

Dan Lenski
lenski@physics.umd.edu



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