That is a BlackMagic question. As far as I know Premiere only captures via the Firewire port. If as you say you can record your video then find a way to just import the the file.
What format is the captured file?
Does Blackmagic have a format that Premiere can import?
Does BlackMagic have an import plugin for Premiere?
RS 422/Com 1 buzzwords indicate slow speed serial ports that probably are just control signals not at all compatible with video signals.
well i called blackmagic and asked them about capturing within premiere. they said that it was an adobe question and that it should be possible. but if it only captures via firewire i suppose that makes sense.
as for the format it records in, i'd have to check but i'm sure it'll be compatible with premiere. i was just hoping that capturing sdi would be possible in order to keep it all in one program. final cut pro can do it, i just assumed adobe could as well.
Mac or Pc?
If Mac, Blackmagic Design has not released drivers for Pr CS4 yet.
If PC, press F5 > Click on Settings > Click on Edit > Change Capture format from whatever to Blackmagic Capture > Click on Properties > Select what you want to capture, Video Standard and Video Format > Click on OK.
If it does not work, go to the Control Panel > Click on Decklink > Make sure that everything is set correctly. Everything *must* match, if not = no capture in Pr.