Setup the Encryption Manager
Enable Cipher for TKIP.
Clear the value in Key 1.
Set Encryption Key 2 as the Transmit Key.
Click the Apply-Radio# button.
Setup the SSID Manager
Select the desired SSID from Current SSID List.
Choose an appropriate authentication method, by which type of client cards used. If EAP worked prior to the addition of WPA, you should not require change.
Enable key management. First choose Mandatory from the pulldown box, then check the box to choose WPA.
Click Apply-Radio