rmmod usbserial >/dev/null 2>&1

(
sleep 30
count=10
while [ $count -ge 1 ]; do
        insmod usbserial vendor=0x12d1 product=0x1003
        [ -c /dev/usb/tts/1 ] && break
        rmmod usbserial >/dev/null 2>&1
        sleep 1
        count=$(( $count - 1 ))
done
[ -c /dev/usb/tts/1 ] && {
        logger -s "usbserial load succesfull !"
} || {
        logger -s "Cannot load usbserial!"
}
) &