D-Link DSL-2640U User Manual page 52

DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support
User Manual
On the next page, you can modify security settings of the WLAN.
Select the Protected value from the Network Authentication drop-down list and enter a key (a
password that will be used to access your wireless network) in the Network key field. Use digits
and Latin characters. After applying this setting, the WPA-PSK/WPA2-PSK mixed
authentication type is specified for the router's WLAN.
When the Open value is selected, the Network key field is unavailable. After applying this
setting, the Open authentication type with no encryption is specified for the router's WLAN.
Click the Next button to continue.
On the next page, the specified settings are displayed. Make sure that they are correct and then click
the Apply button. Save the settings and wait until the router is rebooted.
Figure 38. Selecting a security mode for the wireless network.
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Configuring via Web-based Interface