Quick Start
Voice Cable Modem
Model CM500V
Package Contents
Cable modem
Ethernet cable
Power adapter
Coaxial cable
(not included)
Power adapter
Cable modem Ethernet cable
Cable wall outlet
6. Wait for the Online LED to light green.
This process might take up to 10 minutes.
Note: When the Online LED lights, your cable
modem is not connected to the Internet yet.
You must activate your cable modem with your
Internet service provider.
7. Connect a computer to the cable modem.
Use an Ethernet cable to connect a computer to
the Ethernet port on the cable modem.
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 Comcast
Xfinity to connect the cable port on the
cable modem to a cable wall outlet.
Make sure that the cable is tightly connected.
4. (Optional) Connect a phone.
If you use Xfinity Voice, connect your phone to
the Tel 1 port on the cable modem with phone
cable.
If you subscribe to two phone lines, connect the
other phone to the Tel 2 port.
Note: The Tel 2 port works only for a two-phone
line subscription.
5. Connect the power adapter.
Connect the power adapter to the cable modem
and plug the power adapter into an electrical
outlet.
When the startup is complete, the Power LED
lights green. If the Power LED does not light,
press the Power On/O button.
8. Call Comcast Xfinity to activate your
Internet service.
For information about how to activate your
Internet service, see Activate Your Internet
Service With Comcast Xfinity.
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.
9. Place a test call.
Note: To make calls, you need a voice service
subscription with Comcast XFINITY.
Dial a number to place a test call.
Phone cable
Computer
Phone
(optional)
Phone
cable
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