"Open is as open does." - Forrest Gump "Can't we all just get a Lon?" - Garry Jack "BACnet: integration or interrogation?" - The Janitor "Open protocols? You can't handle open protocols!" - Nathan R. Jessup “What’s that? Aaa… open protocols? Don’t talk about…. open protocols? Are you kidding me? Open protocols? I just hope we can hardwire an interface!” - Jim Mora http://www.youtube.com/watch?v=U7fjDS0jKiE
These take a special communication cable. Since they are a discontinued product I would strongly suggest they give you the software. (old DOS program although they did come out with an XP compatible version).