If I'm understanding you correctly, you're confusing the capabilities of a home user suite with that of a business oriented product.
SEP has no capability or functonality to support backups of systems. For a managed backup solution for small to medium businesses, you may want to take a look at Symantec Backup-Exec.
If your goal is simply to make a backup of the required database for SEPM to store its' data, then it does have a facility to make a single file backup of the database which can then be burned to cd/dvd (depending on the size of the database) if you so choose.