
Quick Start
High Speed Cable Modem
Model CM1000
Package Contents
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. Turn o existing modems and routers.
If you are replacing a modem that is
currently connected in your home, unplug
the modem and plug the new cable modem
into the same outlet.
3. Connect a coaxial cable.
Use a coaxial cable that is provided by your
cable company to connect the cable port
on the cable modem to a cable wall outlet
or a line splitter.
Cable wall outlet
Coaxial cable
(not included)
Ethernet cable
Cable modem
Ethernet cable
Power adapter
Make sure that the cable is tightly connected.
Note: If Comcast XFINITY is your cable
Internet provider, Comcast XFINITY
recommends connecting your cable modem
directly to a cable wall outlet.
4. Connect the power adapter.
Connect the power adapter to the
cable modem and plug the power adapter
into an electrical outlet.
When the startup procedure is complete,
the Power LED
If the Power LED does not light, press the
Power On/O button.
lights green.
Power adapter
5. Wait for the cable modem to
come online.
When the cable modem comes
online, the Internet LED
blinking and lights solid green.
This process might take up to 10
minutes.
stops
Cable modem
6. Connect a computer to the
cable modem.
Use the Ethernet cable that
is provided in the package to
connect a computer to the LAN
port on the cable modem.
Reboot the computer.
Computer
7. Activate your Internet service.
For information about how to
activate your Internet service, see
Activate Your Internet Service on the
other side of this quick start guide.
Note: Aer you install and
activate the cable modem, you
can disconnect the computer
and connect a router to the
cable modem. For more information,
see Connect a Router on the other
side of this quick start guide.

Activate Your Internet Service
Connect a Router
Support
Before you activate your Internet service, collect the following information:
• Your cable Internet provider account information
• Cable modem model number, which is CM1000
• Cable modem serial number
• Cable modem MAC address
Your cable modem’s serial number and MAC address are on the cable modem
label.
¾ To activate your Internet service:
1. Visit your cable Internet provider’s website and follow the onscreen
instructions to activate your Internet service.
Cable Internet Provider Contact Information
Comcast XFINITY
Cox
http://www.comcast.com/activate
http://www.xfinity.com/internetsetup
http://www.xfinity.com/internetsupport
1-855-OK-BEGIN (1-855-652-3446)
1-800-XFINITY (1-800-934-6489)
https://activation.cox.net/selfactivation/start.cox
1-888-556-1193
Aer you install the cable modem and activate your Internet service, you can
disconnect the computer and connect a router to the cable modem.
¾ To connect a router to the cable modem:
1. Reboot the cable modem by unplugging the power cable from the
cable modem and plugging it back in.
Wait for the Internet LED
to stop blinking and light solid green.
2. Use an Ethernet cable to connect the Ethernet port on the cable modem
to the WAN or Internet port on the router.
3. Power on the router.
4. Wait until the router is ready.
5. Connect a computer to the router.
Computer
Cable modem Router
Thank you for purchasing this NETGEAR product. You can visit
www.netgear.com/support to register your product, get help, access the
latest downloads and user manuals, and join our community. We recommend
that you use only ocial NETGEAR support resources.
If you are experiencing trouble installing your cable modem, contact NETGEAR
at 1-866-874-8924. If you are experiencing trouble connecting your router,
contact the router manufacturer.
Customer-owned cable modems might not be compatible with certain
cable networks. Check with your cable Internet provider to confirm that this
NETGEAR cable modem is allowed on your cable network.
For regulatory compliance information, visit
http://www.netgear.com/about/regulatory/.
See the regulatory compliance document before connecting the power supply.
Note: Your cable Internet provider’s contact information might change.
You can also find the contact information in your monthly Internet
service billing statement.
2. If you are unable to activate your Internet service using the instructions
on your cable Internet provider’s website, call your cable Internet provider
for support.
NETGEAR, Inc.
April 2017
350 East Plumeria Drive
San Jose, CA 95134, USA
For more information about how to set up your router, see the
documentation that came with your router.
© NETGEAR, Inc., NETGEAR and the NETGEAR Logo are trademarks of NETGEAR, Inc. Any non-NETGEAR
trademarks are used for reference purposes only.