Connect the Hardware:-
If your Internet connection is thru an coaxial cable from the wall rather than through a DSL / Cable / Satellite modem, connect the coaxial cable on to the router’s Internet port, then follow Step 4 and 5 to finish the hardware connection
1. Turn off the modem, and they remove the backup battery if it has one.
2. Connect the modem to the Internet port on your TP-Link wireless dual band gigabit router with an Ethernet cable
3. Activate the modem, then wait about 2 minutes for it to restart.
4. Turn on the router.