Netgear CM400 Support and Manuals

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Setting It Up
please I need help with this product what to do
(Posted by brandoncavier386 2 years ago)

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NETGEAR CM400 Unboxing, Setup, Test & Review
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Popular Netgear CM400 Manual Pages

Installation Guide - Page 1

... Ethernet port on the network. Installation High Speed Cable Modem Model CM400 Package Contents Cable modem Ethernet cable Attachable feet Power adapter 1. Wait for the cable modem to a cable wall outlet. It takes at least 15 minutes for the Power LED to set up your account number, account phone number, email address, and password are not redirected to the...
Installation Guide - Page 2

...use it to register your cable Internet provider to confirm that you instructions to verify why the cable modem does not connect with the cable modem, ask your cable Internet provider to look for purchasing this installation guide. Note: The cable modem is not visible, your cable Internet provider can use only the official NETGEAR support resources. See the regulatory compliance document...
Product Data Sheet - Page 1

... providers like Cablevision, Time Warner Cable®, XFINITY® & more The NETGEAR Difference - CM400 • Gigabit Ethernet port • DOCSIS 3.0 CableLabs® certified • Supports IPv6 • Secure connection • Easy installation Overview The NETGEAR CM400 High Speed Cable Modem provides a connection to high-speed cable Internet with speeds up to 340 Mbps†...
Product Data Sheet - Page 2

... High Speed Cable Modem-DOCSIS 3.0 Data Sheet CM400 Package Contents • High Speed Cable Modem-DOCSIS 3.0  (CM400) • Stand • Ethernet cable • Quick install guide • Power adapter Physical Specifications • Dimensions: 5.8 x 3.8 x 1.8 in the United States and/or other operating systems running a TCP/IP network • Microsoft® Internet Explorer®...
User Manual - Page 2

...https://my.netgear.com. CM400 High Speed Cable Modem Support Thank you can use it to change without notice. © NETGEAR, Inc. Information is subject to register your device, locate the serial number on the label of NETGEAR, Inc. After installing your product at http://support.netgear.com/general/contact/default.aspx. Trademarks NETGEAR, the NETGEAR logo, and Connect with Innovation...
User Manual - Page 3

... Logs 15 Change the admin Password 16 Reboot the Cable Modem 17 Reset the Cable Modem to Factory Default Settings 18 Use the Reset Button on the Back Panel 18 Use the Factory Reset Software Button 19 Chapter 3 Troubleshooting Use LEDs to Troubleshoot 22 Cannot Log In to the Cable Modem 22 Troubleshoot the Cable Internet Connection 23 Appendix A Technical Specifications 3
User Manual - Page 4

... covered in this manual, visit the support website at http://support.netgear.com. 1. Maximum rate is certified by cable Internet providers. Hardware and Internet Setup 1 The NETGEAR CM400 High Speed Cable Modem provides a connection to high-speed cable Internet with your Internet subscription with speeds up to 340 Mbps.1 The cable modem is derived from DOCSIS 3.0 specifications and actual...
User Manual - Page 7

... and Internet Setup 7 If you prefer to place the cable modem in the upright (vertical) position, attach the feet that come with the left side of the cable modem and login information, including the default IP address, default user name, and default password. Hold the cable modem in either a horizontal or vertical position. Snap the feet onto the cable modem. CM400...
User Manual - Page 9

...; To set it up your Internet service. CM400 High Speed Cable Modem 5. Contact Your Cable Internet Provider and Set Up Internet Service You must contact your cable Internet provider's website and follow the onscreen instructions to the Optimum web page. Contact your Internet service, see Contact Your Cable Internet Provider and Set Up Internet Service on the computer, router, or WiFi router...
User Manual - Page 10

If 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 your monthly Internet service billing statement. 2. CM400 High Speed Cable Modem Cable Internet Provider Contact Information Charter 1-888-438-2427 install....
User Manual - Page 11

In the unlikely situation that you experience problems with the cable connection and cannot get an Internet connection, technical support might ask you to log in to the cable modem for normal operation. 2. Manage and Monitor 2 After you set up the cable modem, you can log in to the router. This chapter contains the following sections: • Log In...
User Manual - Page 13

The time is displayed after the cable modem is attached over an Ethernet cable to the cable modem. 2. Connects to a WiFi router that is connected to the Internet.  To view the status of the cable modem and get details about the downstream and upstream cable channel. Your change takes effect. Obtains a WAN IP address for the cable modem. 3. A login screen displays. 3. Manage...
User Manual - Page 15

... Not installed displays as the status, contact your cable Internet provider. Launch a web browser from a computer that is attached over an Ethernet cable to the cable modem or from a computer that is connected to a WiFi router that is attached over an Ethernet cable to Factory Default Settings on page 17. The version of the cable modem model. • Firmware...
User Manual - Page 18

... Factory Default Settings To reset the cable modem to factory default settings, you can use the Reset button on the back panel. The LAN IP address is password. Use the Reset Button on the back panel of the cable modem, locate the Reset button. CM400 High Speed Cable Modem 5. The cable modem reboots. You cannot change this LAN IP address. Manage and...
User Manual - Page 22

... If you cannot access the cable modem from NETGEAR for troubleshooting. The default password is plugged in your cable Internet service. CM400 High Speed Cable Modem Use LEDs to Troubleshoot The following : • If your computer is connected to the cable modem with an Ethernet cable, check the connection. • Make sure that your computer's IP address is on your computer must be...

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We have the following 3 documents available for the Netgear CM400:
  • User Manual
  • Installation Guide
  • Product Data Sheet
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