D-Link DIR-830L User Manual page 22

Section 2 - Installation
Step 4
You will see the welcome screen. Tap Start to proceed. When the Operation
Mode screen appears, tap Next.
Step 5
At this point, make sure that your router is connected to a modem. Plug
one end of the provided Ethernet cable into your DSL or cable modem,
and plug the other end into the port marked INTERNET on the DIR-830L.
Tap Next to automatically detect your Internet connection and proceed
to the next step.
D-Link DIR-830L User Manual 18