D-Link SharePort Go III DIR-510L User Manual page 119

Section 5 - Connecting a Wireless Client
3. Enter the same security key or passphrase that is on your router
and click Connect.
It may take 20-30 seconds to connect to the wireless network. If the
connection fails, verify that the security settings are correct. The key
or passphrase must be exactly the same as on the wireless router.
D-Link DIR-510L User Manual 115