Nov 30 04:51:40 (none) kernel: drivers/usb/serial/usb-serial.c: USB Serial Driver core
Nov 30 04:51:40 (none) kernel: drivers/usb/serial/usb-serial.c: USB Serial support registered for GSM modem (1-port)
Nov 30 04:51:40 (none) kernel: option 1-2:1.0: GSM modem (1-port) converter detected
Nov 30 04:51:40 (none) kernel: usb 1-2: GSM modem (1-port) converter now attached to ttyUSB0
Nov 30 04:51:40 (none) kernel: option 1-2:1.1: GSM modem (1-port) converter detected
Nov 30 04:51:40 (none) kernel: usb 1-2: GSM modem (1-port) converter now attached to ttyUSB1
Nov 30 04:51:40 (none) kernel: option 1-2:1.2: GSM modem (1-port) converter detected
Nov 30 04:51:40 (none) kernel: usb 1-2: GSM modem (1-port) converter now attached to ttyUSB2
Nov 30 04:51:40 (none) kernel: usbcore: registered new interface driver option
Nov 30 04:51:40 (none) kernel: drivers/usb/serial/option.c: USB Driver for GSM modems: v0.7.1
kppp ttyUSB0
bt ~ # find /dev|grep ttyUSB*
/dev/.udev/db/class@tty@ttyUSB2
/dev/.udev/db/class@tty@ttyUSB1
/dev/.udev/db/class@tty@ttyUSB0
()