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Quick Start

Package Contents

Antennas (2)

AC1200 WiFi Cable Modem Router

Model C6220

1.  Collect your cable Internet provider information.

Collect your cable account number, account phone number, and login 
information (your email address or user name and password).

2.  Attach the antennas.

Attach the antennas on the threaded antenna posts.

3.  Turn off existing modems and routers.

If you are replacing a modem that is 
currently connected in your home, 
unplug the modem and plug the new 
modem router into the same outlet.

4.  Connect a coaxial cable.

Use a coaxial cable that is provided 

by your cable company to connect 

the cable port on the modem router 

to a cable wall outlet or a line 

splitter.

Make sure that the cable is tightly 
connected.

Note: 

If Comcast XFINITY is your cable Internet provider, Comcast XFINITY 

recommends connecting your modem router directly to a cable wall outlet.

5.  Connect the power adapter.

Connect the power adapter to the modem router and plug the power adapter 
into an electrical outlet.
Make sure that the 

Power On/Off

 button and the 

LED On-Off

 switch are in 

the 

On

 position.

The startup procedure takes about 1 minute. When it is complete, the Power 
LED 

 lights solid green. 

6.  Wait for the modem router to come online.

When the modem router comes online, the Internet LED 

 stops blinking and 

lights solid green.
This process might take up to 10 minutes.

7.  Connect a computer or mobile device to the modem router.

To connect with WiFi, use the WiFi network name and password on the 
modem router label.
To connect using a wired connection, use an Ethernet cable to connect a 
computer to an Ethernet port on the modem router.
Reboot the computer.

8.  Log in to the modem router.

Launch a web browser and enter 

http://routerlogin.net

 or 

http://192.168.0.1

 in the address field of the web browser.

When prompted to log in, do the following:
Enter 

admin

 for the user name and 

password

 for the password.

Change the password.
Enter security questions and answers.

9.  Activate your Internet service.

For information about how to activate your Internet service, see 

Activate 

Your Internet Service

 on page 2 on

 

the other side of this quick start 

guide.

Ethernet cable

Power adapter

Modem router

Power 

adapter

Computer

Ethernet cable

Computer

Coaxial 

cable

Modem router

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