D-Link DAP-2553 User Manual page 21

Section 3 - Configuration
Site Survey: Click on the Scan button to search for available wireless networks, then click on the available network that you want to
connect with.
Authentication:
Use the pull-down menu to choose Open System, Shared Key, or WPA-Personal.
Select Open System to communicate the key across the network.
Select Shared Key to limit communication to only those devices that share the same WEP settings.
Select WPA-Personal to secure your network using a password and dynamic key changes. No RADIUS server is
required.
D-Link DAP-553 User Manual 1