systemd/etc/udev/debian/cd-aliases.rules

# These rules create the /dev/{cdrom,dvd,...} symlinks. Also see the
# /etc/udev/cdsymlinks.conf config file.
#
# If you would like to statically configure the aliases instead, you can
# use rules like:
# BUS=="ide", ID=="1.0", SYMLINK+="cdrom"

BUS=="scsi", KERNEL=="sr[0-9]*", \
	PROGRAM="/etc/udev/scripts/cdsymlinks.sh %k", \
	SYMLINK+="%c{1} %c{2} %c{3} %c{4} %c{5} %c{6}"
BUS=="ide",  KERNEL=="hd[a-z]",   SYSFS{removable}=="1", \
	PROGRAM="/etc/udev/scripts/cdsymlinks.sh %k", \
	SYMLINK+="%c{1} %c{2} %c{3} %c{4} %c{5} %c{6}"
BUS=="ide",  KERNEL=="pcd[0-9]*", SYSFS{removable}=="1", \
	PROGRAM="/etc/udev/scripts/cdsymlinks.sh %k", \
	SYMLINK+="%c{1} %c{2} %c{3} %c{4} %c{5} %c{6}"