D-Link AC750 Quick Install Manual page 5

Connect another Ethernet cable from the Ethernet port on your computer
3
to one of the LAN ports on the router. You can also connect wirelessly
to the router with your computer. Use the supplied Wi-Fi Configuration
Card for the Wi-Fi network name (SSID) and Wi-Fi password of the router.
Complete steps 4 and 5 before attempting to connect.
1 2
4 Plug the power back into your DSL or cable modem. Please wait about one
minute before continuing.
Modem
WPS
3 4 INTERNET 5V --1A POWER
DIR-813
Ethernet Cable
1
WPS
2 3 4 INTERNET 5V --1A POWER
DIR-813
Computer
Computer
5