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NETGEAR CM400 User Manual

NETGEAR CM400
24 pages
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Contents
Chapter 1 Hardware and Internet Setup
Unpack Your Cable Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Back Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Product Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Attach the Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Cable Your Cable Modem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Contact Your Cable Internet Provider and Set Up Internet Service. . . . . . . . . . . 9
Chapter 2 Manage and Monitor
Log In to the Cable Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Specify the Cable Connection Starting Frequency . . . . . . . . . . . . . . . . . . . . . . . 12
View Cable Modem Initialization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
View Cable Modem Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
View and CLear Event 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

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NETGEAR CM400 Specifications

General IconGeneral
Modem speed340000 Kbit/s
Flash memory8 MB
Product colorBlack
Internal memory64 MB
Copper ethernet cabling technology10BASE-T, 100BASE-TX, 1000BASE-T
DC-in jackYes
Ethernet LAN (RJ-45) ports1
Browser supportedMicrosoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, Google Chrome 11.0
Compatible operating systemsMicrosoft Windows 7, 8, Vista, XP, 2000, Mac OS
Cables includedLAN (RJ-45)
InternalNo
CertificationCableLabs
CompatibilityDOCSIS 3.0 / DOCSIS 2.0
Power supply typeDC
Networking featuresGigabit Ethernet
Weight and Dimensions IconWeight and Dimensions
Weight190 g
Dimensions (WxDxH)96 x 30 x 147 mm

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