Quick Start
AC1200 WiFi Cable Modem Router
Model C6220
Package Contents
Ethernet cable
Power adapter
1. Collect your Comcast information.
Collect your Comcast 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 the coaxial cable that is
provided by Comcast XFINITY
to connect the cable port on
Modem router
the modem router to a cable
wall outlet.
Make sure that the cable is
tightly connected.
5. Connect the power adapter.
Connect the power adapter to modem router and plug the power adapter into
an electrical outlet.
Antennas (2)
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 the startup procedure is
complete, the Power LED
6. Wait for the modem router to come online.
When the modem router comes online, the Internet LED
lights solid green.
This process might take up to 10 minutes.
Computer
Ethernet cable
lights solid green.
stops blinking and
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.
Modem router
Coaxial
Power
cable
adapter
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
Your Internet Service
on the other side of this quick start guide.
Computer
Activate
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