Sitecom W105i Access point/Draytek Vigor 2200E

I just bought the Sitecom W105i Access Point and a Sitecom NIC (both
802.11g). I connected the access point (patch cable) in a network port of my
Vigor. I kan both connect to the Vigor (192.168.1.1) and the Sitecom AP
(192.168.1.2).

My two PC's and printsetver (Netgear PS110) gets an IP address of the DHCP
of the Vigor. The Sitecom has now a static IP address. But when I set the
Sitecom AP to receive an IP adress from the Vigor, I cannot connect the AP.
I have to reset to the factory settings and must connect the AP with a
crosscable to my NIC on my PC to access it.

If I configure the wireless NIC on my laptop I can see the both desktop PC's
and can access the harddrives. With my laptop I can't get an connection to
internet with IE 5.

Is there anybody who can help me to configure my (dynamic)network?

Kind regards,

Paul
The Netherlands.