Should be possible, try mount -t iso9660 /dev/cdrom /mnt/cdrom(in case of your mount point is in /mnt/cdrom)
If there isn't /dev/cdrom use:
/dev/hda if IDE Primary Master or
/dev/hdb if IDE Primary Slave or
/dev/hdc if IDE Secundary Master or
/dev/hdd if IDE Secundary Slave