EnGenius Technologies EPI-3601S - Manual (Page 28)

EPI-3601S Wireless LAN PCI adapter Version 1.2
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Click Settings.
c. WPA/WPA2 passphrase
If AP includes support for passphrase, the following settings need to be done.
In Security tab, select WPA/WPA2 passphrase. Click Configure.
You can find the dialog box requests a passphrase. Key in the correct value.
Click OK.