3. 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/Off button.
4. Wait for the cable modem to come online.
The cable modem comes online when the Internet LED stops blinking and lights solid green.
This process might take up to 10 minutes.
5. Connect a computer to the cable modem.
Use the Ethernet cable that is provided in the package to connect a computer to the Ethernet port on
the cable modem.
6. Activate your Internet service.
For information about how to activate your Internet service, see Activate Your Internet Service on page
11.
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 12.
Note
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 CM1100
• Cable modem serial number, which is on the cable modem label
• Cable modem MAC address, which is on the cable modem label
Figure 6. Example of a cable modem label
The following is contact information for cable Internet providers that support your cable modem.
Hardware Setup
11
Nighthawk Multi-Gig Speed Cable Modem
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