ip Serv or Usr= your IP-setting Dreambox Lan (ex... 192.168.0.2)
Depend as your ip class server-router/hub or simply ip lan pc (ex...192.168.0.1) subnet-mask in this case is 255.255.255.0 (for class C).
Of course You must setting in avanced setup of your Dreambox CVS the correct value ..... same the example up.
Remember to connect the Dreambox with lan across cable only if you use directly connection with a lan PC.
Now .... to connect .... the other is very simple to understand ....:-window
P.S. in general area there is a complete guide (Stickies Guide for Idiot ?!?) for this and other questions.