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74 Appendix C Connecting to the Internet
AirPort Extreme Wireless Connection
If your iMac has an AirPort Extreme Card installed, you can configure your AirPort
Extreme network and Internet connection using AirPort Setup Assistant, located in the
Utilities folder within your Applications folder. The assistant helps you configure the
AirPort Extreme Base Station and set up your computer to use AirPort Extreme. For
more information about your AirPort Extreme Base Station, see the AirPort Extreme Base
Station Setup Guide that came with your base station. For information on installing an
AirPort Extreme Card, see “Installing an AirPort Extreme Card” on page 41.
If your AirPort Extreme Base Station is already configured, in most cases your AirPort
Extreme Card is ready to access it immediately.
To check if you have access to an AirPort Extreme network:
m
Click the AirPort status icon in the menu bar and choose an AirPort network listed
there.
If you don’t see an AirPort network listed, you can use AirPort Setup Assistant to check
or change your settings, or you can change them using the Network pane of System
Preferences.
Setting Up an AirPort Extreme Connection Manually
Gather the following information from your system administrator if you’ll be setting up
a manual connection, which uses specific preassigned addresses for your servers and
computer.
If you’ll be connecting using DHCP, most of this information is provided to your
computer automatically by the network, so ask your system administrator what is
required.
• Domain name server (DNS) addresses, if necessary
• DHCP or manual IP address configuration
• IP address
• Router address
• Subnet mask
• Password, if required
Next, make sure your AirPort connection options are active in Network preferences.
LL2522.book Page 74 Wednesday, February 18, 2004 11:53 AM