Allied Telesis AT-WA7501 - Manual (Page 202)

Chapter 6: Configuring Security
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2. In the Security Level field, choose either WPA - PSK or WPA - 802.1x.
3. Click Submit Changes to save your changes. The screen changes,
depending on the security level you choose. For help, see one of the
next two screens.
4. Fill in the fields. For help, see one of the next two tables.
5. Click Submit Changes to save your changes. To activate your
changes, from the menu bar click Save/Discard Changes, and then
click Save Changes and Reboot. For help, see “Saving Configuration
Changes” on page 45.