D-Link AIRPLUS DWL-900AP PLUS Manual page 39

Networking Basics
Assigning a Static IP Address with
Go to the Apple Menu and select System
Preferences.
Click on Network
Select Built-in Ethernet in the
Show pull-down menu.
Select Manually in the
Configure pull-down menu.
Input the Static IP Address, the
Subnet Mask and the Router IP
Address in the appropriate fields.
Click Apply Now
Macintosh OS X