D-Link DSL-320T User Manual page 29

Static IP
Connection Setting
DSL-320T ADSL Modem User Guide
by your ISP.
If you have selected the
menu, type in the global IP address used for your WAN interface. Your
ISP should provide this IP address to you.
Select the desired option: Always ON, Connection On Demand, or
Manual. Most users will want to choose the default connection setting,
Always ON.
19
Static IP
option in the IP Control drop-down