D-Link DIR-456U User Manual page 81

Section 5 - Connecting to a Wireless Network
3. If your wireless network uses encryption such as WEP or WPA/
WPA2, enter the encryption password/passphrase for your wireless
network and click Connect.
It may take 20-30 seconds to connect to the wireless network. If the
connection fails, please verify that the key or passphrase is exactly
the same as on the wireless router.
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