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Note: After 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 Your Cable Modem to a Router After Installation and Activation on page
11.
Activate Your Internet Service
Before you activate your Internet service, gather the following information:
•
Your cable Internet provider account information
•
Cable modem model number, which is CM2000
•
Cable modem serial number, which is on the cable modem label
•
Cable modem MAC address, which is on the cable modem label
Figure 4. Example of a cable modem label
The following is contact information for cable Internet providers that support your cable
modem.
Table 2. Cable Internet provider contact information
Contact InformationCable
Internet
Provider
https://cox.com/activate
1-888-556-1193
Cox
https://support.mediacomcable.com/
1-855-Mediacom (1-855-633-4226)
Mediacom
https://install.optimum.com/JointInstall/
1-877-810-6750
Optimum
https://support.sparklight.com/
1-877-692-2253
Sparklight
User Manual10Hardware Setup
Nighthawk CM2000 2.5 Gbps Ultra-High Speed Cable Modem
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