Installation Guide

Note: Your ISP’s contact information might change. You can also find the
contact information in your monthly Internet service billing statement.
¾ To activate your Internet service:
1. Visit your ISP’s website and follow the onscreen instructions to activate
your Internet service.
2. To determine the accurate Internet speed, visit your ISP’s speed test
website or and perform a speed test.
Connect a Router
Aer 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 Online 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.
For more information
about how to set up
your router, see the
documentation that
came with your router.
Activate Your Internet Service
Before you start the self-activation process, collect the following
information:
• Your Internet service provider (ISP) account information
• Cable modem model number, which is CM600
• Cable modem serial number
• Cable modem MAC address
Your cable modem’s serial number and MAC address are on the
cable modem label. The following table lists contact information for ISPs
that support your cable modem.
Cable Internet
Provider
Contact Information
CableOne http://www.cableone.net/
1-877-MY-CABLE (1-877-692-2253)
Cox
https://www.cox.com/activate
1-888-556-1193
Mediacom
https://maestro.mediacomcc.com/walledgarden/page/login.jsp
1-855-Mediacom (1-855-633-4226)
Optimum https://install.optimum.com/JointInstall/
1-877-810-6750
Spectrum https://activate.spectrum.net/
1-[phone]
Xfinity
https://register.xfinity.com/
https://www.xfinity.com/support/internet/activate-
purchased-modem/
1-800-XFINITY (1-800-934-6489)
Support
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 ocial NETGEAR support resources.
For the current EU Declaration of Conformity, visit
http://support.netgear.com/app/answers/detail/a_id/11621/.
For regulatory compliance information, visit
http://www.netgear.com/about/regulatory/.
See the regulatory compliance document before connecting the power supply.
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.
Cable modem
Router
Computer
© NETGEAR, Inc., NETGEAR and the NETGEAR Logo are trademarks of NETGEAR, Inc. Any non-NETGEAR
trademarks are used for reference purposes only.
February 2018
NETGEAR, Inc.
350 East Plumeria Drive
San Jose, CA 95134, USA