my-desktop:/dev/.udev/rules.d$ cat 10-local.rules
SUBSYSTEMS=="usb", ATTRS{product}=="Palm Handheld", KERNEL=="ttyUSB*", SYMLINK+="pilot"
BUS=="usb", SYSFS{product}=="Palm Handheld*", KERNEL=="ttyUSB[13579]", SYMLINK+="pilot"
On my Ubuntu 10.04 Karmic, actually there's a rule definition already written, but it is missing SYMLINK. Below is my modified rule file.
vi /lib/udev/rules.d/40-libpisock9.rules reveals:
# $Id: 60-libpisock.rules,v 1.4 2007/02/16 18:26:41 desrod Exp $
#
# udev rules file for pilot-link's libpisock library, enabled for libusb
#
SUBSYSTEMS!="usb", ACTION!="add", GOTO="libpisock_rules_end"
# Sony handheld devices
ATTRS{idVendor}=="054c", ATTRS{idProduct}=="0038", GROUP="dialout", MODE="0664"
ATTRS{idVendor}=="054c", ATTRS{idProduct}=="0066", GROUP="dialout", MODE="0664"
ATTRS{idVendor}=="054c", ATTRS{idProduct}=="0095", GROUP="dialout", MODE="0664"
ATTRS{idVendor}=="054c", ATTRS{idProduct}=="009a", GROUP="dialout", MODE="0664"
ATTRS{idVendor}=="054c", ATTRS{idProduct}=="00da", GROUP="dialout", MODE="0664",SYMLINK+="pilot"
ATTRS{idVendor}=="054c", ATTRS{idProduct}=="00e9", GROUP="dialout", MODE="0664"
ATTRS{idVendor}=="054c", ATTRS{idProduct}=="0144", GROUP="dialout", MODE="0664"
ATTRS{idVendor}=="054c", ATTRS{idProduct}=="0169", GROUP="dialout", MODE="0664"
....
