D-Link DSL-2888A User Manual page 76

Section 5 - Connecting to a Wireless Network
Enter the same security key or passphrase (Wi-Fi password) that is on your router and click
Connect. You can also connect by pushing the WPS button on the router.
It may take 20-30 seconds to connect to the wireless network. If the connection fails, please
verify that the security settings are correct. The key or passphrase must be exactly the same
as the one on the wireless router.
D-Link DSL-2888A User Manual 72