NETGEAR CM400 user manual Install.charter.com

Page 10

CM400 High Speed Cable Modem

Cable Internet Provider

Contact Information

 

 

Charter

1-888-438-2427

 

install.charter.com

 

 

Comcast

1-800-COMCAST (1-800-266-2278)

 

comcast.com/activate/

 

 

Cox

1-877-891-2899

 

cox.com/residential/home.cox

 

 

Optimum

play.optimum.net

 

optimum.net/support/phone-list

 

Note: Optimum is a brand name of Cablevision.

 

 

Time Warner Cable

1-800-892-2253

 

timewarnercable.com

 

 

Note: The contact information listed might change. You can also find the contact number in your monthly Internet service billing statement.

2.When asked, provide the cable modem’s serial number and MAC address, which are on the product label (see Product Label on page 7).

3.Wait for your cable Internet provider to confirm that your cable modem is active.

4.If you do not get an Internet connection with the cable modem, ask your cable Internet provider to look for your cable modem online, and do one of the following depending on what your cable Internet provider tells you about your cable modem:

If the cable modem is not visible, your cable Internet provider 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 your cable Internet provider, reboot the computer, laptop, router, or WiFi router that is connected to the cable modem. Try checking your online status again.

Hardware and Internet Setup

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Contents CM400 High Speed Cable Modem Compliance SupportTrademarks Contents Hardware and Internet Setup Unpack Your Cable Modem Front PanelBack Panel LED descriptions Attach the Feet Product Label  To attach the feet Cable Your Cable Modem  To cable your cable modem To set up your Internet connection Cable Internet Provider Contact InformationInstall.charter.com Manage and Monitor Log In to the Cable Modem Specify the Cable Connection Starting FrequencyView Cable Modem Initialization  To view the status of the cable modem initializationView Cable Modem Status  To view cable modem statusView and CLear Event Logs  To view and clear the event logsChange the admin Password  To change the password for the user name adminReboot the Cable Modem  To reboot the cable modemReset the Cable Modem to Factory Default Settings  To reset the cable modem to factory default settingsUse the Factory Reset Software Button  To erase the settingsManage and Monitor Troubleshooting Use LEDs to Troubleshoot Cannot Log In to the Cable ModemTroubleshoot the Cable Internet Connection Technical Specifications Technical specifications