Hardware and Internet Setup
11
CM600 Cable Modem
To set up your Internet connection with Comcast Xfinity’s self-activation process:
1. Close all web browsers.
2. Launch a web browser.
Y
ou are redirected to the Xfinity self-activation page. If you are not redirected to the
Xfinity self-activation page, visit www.comcast.com/activate.
3. Provide your Xfinity credentials and complete the self-activation process.
This process might take up to 15 minutes, during which the modem router reboots a
couple of times.
Call Comcast Xfinity to Set Up Your Internet Connection
If you are unable to self-activate your cable modem, call Comcast Xfinity customer service.
Before you call Comcast Xfinity, make sure that your account number, account phone
number, email address, and password are nearby
. The cable modem’s model number is
CM600. The serial number and MAC address are on the product label.
MAC address
Serial number
Figure 6. Find the serial number and the MAC address on the product label
To set up your Internet connection by calling Comcast Xfinity:
1. Call Comcast Xfinity customer service at 1-800-XFINITY (1-800-934-6489).
2. When asked, provide your account information and provide the cable modem’
s model
number and MAC address.
3. Wait for Comcast Xfinity to confirm that your cable modem is active.
4. If you do not get an Internet connection with the cable modem, ask the Comcast Xfinity
representative to look for your cable modem online, and do one of the following depending
on what Comcast Xfinity tells you about your cable modem:
• If the cable modem is not visible, the Comcast Xfinity representative can give you
instructions to verify why the cable modem does not connect with your high-speed
Internet service.
• If the cable modem is visible to the Comcast Xfinity representative, reboot the cable
modem. Check your online status again.
Perform a Speed Test
To determine the accurate Internet speed, visit the speed test website of your cable Internet
provider and perform a speed test.
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