Apple Airport Cards - WEP Configuration
Aim of this article:
This article provides information for configuring the Airport or Airport Extreme card to connect to a Wireless access point, or Airport Base Station, using WPA encryption.
NOTE: Zen Internet always recommend you secure
your wireless network with WPA2 or WPA security. You are responsible for
any use of your Internet connection. The following link will explain in
more depth why we recommend this security option and why it is
important that you make sure your wireless network is secure http://www.zen.co.uk/support/wireless/wireless-security.aspx
Configure the Airport Card:
Begin by turning the Airport card on.
Select Other to be presented with a settings window.
On the Closed Network screen enter the following:
Wireless Security: WEP Password (shown above) or WEP 40/128-bit hex (shown below)

Network Name: Enter the name you configured on your Base Station or Access point (also referred to as the SSID).
Password: Enter the WEP password or key you have configured on your Base Station or Access point.
Click OK. The connection should now be succesfully established.