http://www.presonus.com/videos/player/279/default/0
If you haven't got your network set up, there is no "fast" help. Have a look at the above mentioned page. There are several videos about the networking theme(s), especially two videos on page 3. The Knowledge Base and the Download Page are also aways worth a visit and there is a lot of information available in the forums, so you can get any information you will need just by looking around and reading. You might want to come to the forum and tell more about your set-up; there are people around who can give you advice, but it's weekend now...
You don't need FireWire. The question about the restore was specific and relates to a momentary problem.