Apple AirPort Time Capsule 802.11n (3rd Generation) - Manual (Page 17)

Chapter 2 Setting Up Your Time Capsule 17
Wireless computers and computers connected to the Ethernet ports can also
communicate with each other through your Time Capsule.
Using AirPort Utility
To set up and configure your Time Capsule, use the setup assistant in AirPort Utility.
AirPort Utility is installed on your computer when you install the software from the
Time Capsule CD.
On a Macintosh computer using Mac OS X v10.5.7 or later:
1 Open AirPort Utility, located in the Utilities folder in the Applications folder.
2 Select your Time Capsule and click Continue.
If you don’t see the Time Capsule you want to configure, click Rescan to scan for
available wireless devices, and then select your Time Capsule from the list.
3 Follow the onscreen instructions to set up your Time Capsule and your wireless
network.
On a computer using Windows XP (with Service Pack 3) or Windows Vista
(with Service Pack 1 or later):
1 Open AirPort Utility, located in Start > All Programs > AirPort.
2 Select your Time Capsule and click Continue.