D-Link DWR-921 User Manual page 79

Section 4 - Connecting to a Wireless Network
3. The Wireless Network Connection box will appear. Enter the same WEP key that is
on your router and click Connect.
It may take 20-30 seconds to connect to the wireless network. If the connection fails,
please verify that the WEP settings are correct. The WEP key must be exactly the same
as on the wireless router.
D-Link DWR-921 User Manual 74