Connect Your Modem; Add Power To The Router - NETGEAR Nighthawk R7000 Installation Manual

Make sure that your modem is turned off and is cabled only to the
wall jack for your Internet service.

3. Connect your modem.

a. Plug in, then turn on your modem. (Replace the batteries if
you removed them previously.)
b. With the yellow Ethernet cable that came with the router,
connect your modem to the Internet port of your router.

4. Add power to the router.

a. Connect the power adapter to the router, and plug the power
adapter into an outlet.
Modem
3
Router
On/Off