D-Link SharePort Go III DIR-510L User Manual page 122

Section 5 - Connecting a Wireless Client
3. The Wireless Network Connection box will appear. Enter the WPA-PSK
passphrase and click Connect.
It may take 20-30 seconds to connect to the wireless network. If the
connection fails, verify that the WPA-PSK settings are correct. The WPA-
PSK passphrase must be exactly the same as on the wireless router.
D-Link DIR-510L User Manual 118