Burning ISO's directly to DVD's

StephenB wrote:
Did you use df to determine the mount point of the DVD burner?

Nope.
But trying df gives the following result:

root@PIPPERNASV3:~# df
Filesystem      1K-blocks       Used  Available Use% Mounted on
rootfs            4190208    2392872    1457968  63% /
tmpfs               10240          4      10236   1% /dev
/dev/md0          4190208    2392872    1457968  63% /
tmpfs             1019036         44    1018992   1% /dev/shm
tmpfs             1019036       6884    1012152   1% /run
tmpfs             1019036          0    1019036   0% /sys/fs/cgroup
tmpfs             1019036          0    1019036   0% /media
/dev/md127     5845988352 2584807312 3257830512  45% /data
/dev/md127     5845988352 2584807312 3257830512  45% /home
/dev/md127     5845988352 2584807312 3257830512  45% /apps
/dev/md127     5845988352 2584807312 3257830512  45% /var/ftp/home
/dev/md127     5845988352 2584807312 3257830512  45% /var/ftp/Backup
/dev/md127     5845988352 2584807312 3257830512  45% /var/ftp/media
/dev/md127     5845988352 2584807312 3257830512  45% /var/ftp/Music
/dev/md127     5845988352 2584807312 3257830512  45% /var/ftp/Pictures
/dev/md127     5845988352 2584807312 3257830512  45% /var/ftp/Videos
/dev/md127     5845988352 2584807312 3257830512  45% /run/nfs4/data/Backup
/dev/md127     5845988352 2584807312 3257830512  45% /run/nfs4/data/media
/dev/md127     5845988352 2584807312 3257830512  45% /run/nfs4/data/Music
/dev/md127     5845988352 2584807312 3257830512  45% /run/nfs4/data/Pictures
/dev/md127     5845988352 2584807312 3257830512  45% /run/nfs4/data/Videos
tmpfs                   4          0          4   0% /data/Videos/snapshot
tmpfs                   4          0          4   0% /run/nfs4/data/Videos/snapshot
tmpfs                   4          0          4   0% /var/ftp/Videos/snapshot

Does not give me the USB DVD drive though ?!? At this moment, there is no blank disc in the drive. Does that make a difference?

Output from lsusb:

root@PIPPERNASV3:~# lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 090c:1000 Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) 64MB QDI U2 DISK
Bus 001 Device 006: ID 0e8d:1956 MediaTek Inc.

Any takes on how to get the mount point then?
Thanks.