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NETGEAR CM400 manual

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Table of contents for the manual

  • Page 1

    350 East Plumeria Drive San Jose, C A 95134 USA August 2014 202-11412-01 CM400 High Speed C able Modem User Manual[...]

  • Page 2

    2 CM400 High Speed Cable Modem Suppor t Thank you f or selecting NET GEAR products. After inst alling your device, loc ate the serial number on the label of your pr oduct and use it to r egist er your pr oduct at https ://my .net gear .c om . Y ou must r egist er your pr oduct befor e you can use NET GEAR telephone support . NET GEAR r ecommends r [...]

  • Page 3

    3 Cont ents Chapter 1 Hardware and Internet Setup Unpack Y our Cable Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Fr ont Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Back P anel. . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 4

    4 1 1. Har dwar e and Int ernet Setup The NETGEAR CM400 High Speed Cable Modem provides a connection to high-speed cable Internet with speeds up to 340 Mbps. 1 The cable modem is certified by all major cable Internet providers. A Gigabit Ethernet port provides fast access and downloads. The cable modem supports IPv4 and IPv6 address assignment by c[...]

  • Page 5

    Hardw ar e and Internet Setup 5 CM400 High Speed Cable Modem Unpack Y our Cable Modem Y our package contains the following items. Ethernet cable Power adapter Cable modem Attachable feet Figure 1. Package contents Fr ont P anel The cable modem provides status LEDs on the front. Power LED Downstream LED Upstream LED Internet LED Ethernet LED Figure [...]

  • Page 6

    Hardw ar e and Internet Setup 6 CM400 High Speed Cable Modem Y ou can use the LEDs to verify status and connections. The following table lists and describes each LED on the front panel of the cable modem. T able 1. LED descriptions LED Description Power • Green . Power is supplied to the cable modem. • Off . No power is supplied to the cable mo[...]

  • Page 7

    Hardw ar e and Internet Setup 7 CM400 High Speed Cable Modem P r oduc t Label The product label on the bottom of the cable modem displays the serial number and MAC address of the cable modem and login information, including the default IP address, default user name, and default password. Figure 4. Product label A ttach the F eet The cable modem fun[...]

  • Page 8

    Hardw ar e and Internet Setup 8 CM400 High Speed Cable Modem Cable Y our C able Modem The cable modem provides a connection between your cable Internet provider ’s network and your computer , router , or WiFi router . Computer , router , or WiFi router Cable modem Coaxial cable to cable outlet Ethernet cable Figure 6. Cabling the cable modem  [...]

  • Page 9

    Hardw ar e and Internet Setup 9 CM400 High Speed Cable Modem 5. T urn on the computer , router , or WiFi router . 6. W ait for the cable modem to come online. It takes at least 15 minutes for the cable modem to come online on the network. During this time, the Downstream LED and Upstream LED might blink. After the cable modem registers with your ca[...]

  • Page 10

    Hardw ar e and Internet Setup 10 CM400 High Speed Cable Modem Note: The contact information listed might change. Y ou 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. W ait f[...]

  • Page 11

    11 2 2. Manage and Monit or After you set up the cable modem, you do not need to log in to the cable modem for normal operation. However , you can log in to the cable modem to change some very limited settings and monitor the cable modem. In the unlikely situation that you experience problems with the cable connection and cannot get an Internet con[...]

  • Page 12

    Manage and Monitor 12 CM400 High Speed Cable Modem Log In t o the Cable Modem After you set up the cable modem, you do not need to log in to the cable modem for normal operation. T o log in to the cable modem, you must use a web browser such as Microsoft Internet Explorer 5.0 or later , Firefox Mozilla 2.0 or later , Safari 1.4 or later , or Google[...]

  • Page 13

    Manage and Monitor 13 CM400 High Speed Cable Modem 5. In the Starting Frequency field, type a number . 6. Click the Apply button. Y our change takes effect. View Cable Modem Initialization Y ou can track the initialization procedure of the cable modem and get details about the downstream and upstream cable channel. The time is displayed after the c[...]

  • Page 14

    Manage and Monitor 14 CM400 High Speed Cable Modem The user name is admin . The default password is password . The user name and password are case-sensitive. The BASIC Home screen displays. 4. Select Cable Connection . The Cable Connection screen displays. The Startup Procedure section displays the initialization progress. The Downstream Bonded Cha[...]

  • Page 15

    Manage and Monitor 15 CM400 High Speed Cable Modem The user name is admin . The default password is password . The user name and password are case-sensitive. The BASIC Home screen displays. 4. Select ADV ANCED . The Cable Information pane displays. The Cable Information pane displays the following: • Hardware V ersion. The version of the cable mo[...]

  • Page 16

    Manage and Monitor 16 CM400 High Speed Cable Modem 4. Select ADV ANCED > Administration > Event Log . The Event Log screen displays. The Event Log screen shows the following information: • Time . The time the event log entry was recorded. • Priority . The severity for the event log entry . • Description . A description of the event log [...]

  • Page 17

    Manage and Monitor 17 CM400 High Speed Cable Modem 5. T ype the old password. 6. T ype the new password in the Set Password field. 7. T ype the new password in the Repeat New Password field. 8. Click the Apply button. Y our change takes effect. R eboot the Cable Modem Rebooting the cable modem disconnects all computers from the cable modem’ s loc[...]

  • Page 18

    Manage and Monitor 18 CM400 High Speed Cable Modem 5. In the Cable Information pane, click the Reboot button. A confirmation message displays. 6. Click the OK button. The cable modem reboots. R eset the Cable Modem t o F ac tory Def ault Settings T o reset the cable modem to factory default settings, you can use either the Reset button on the back [...]

  • Page 19

    Manage and Monitor 19 CM400 High Speed Cable Modem 3. Release the Reset button. The configuration is reset to factory default settings. When the reset is complete, the cable modem reboots. This process takes about one minute. W ARNING: T o avoid the risk of corrupting the firmware, do not interrupt the reset. For example, if you are connected to th[...]

  • Page 20

    Manage and Monitor 20 CM400 High Speed Cable Modem 6. Click the OK button. The configuration is reset to factory default settings. When the reset is complete, the cable modem reboots. This process takes about one minute. W ARNING: T o avoid the risk of corrupting the firmware, do not interrupt the reset. For example, do not close the browser , clic[...]

  • Page 21

    21 3 3. T r oubleshooting This chapter provides information about troubleshooting your cable modem. The chapter includes the following sections: • Use LEDs to T roubleshoot • Cannot Log In to the Cable Modem • T roubleshoot the Cable Internet Connection Note: NETGEAR provides helpful articles and documentation at support.netgear .com .[...]

  • Page 22

    T r oubleshooting 22 CM400 High Speed Cable Modem Use LEDs t o T r oubleshoot The following table provides help when you are using the LEDs for troubleshooting. T able 2. T roubleshooting with LEDs LED Behavior Action All LEDs are off when the cable modem is plugged in. Make sure that the power cord is properly connected to your cable modem and tha[...]

  • Page 23

    T r oubleshooting 23 CM400 High Speed Cable Modem If the cable modem does not save changes you made, do the following: • When entering configuration settings, be sure to click the Apply button before moving to another screen, or your changes are lost. • Click the Refresh or Reload button in the web browser . The changes occurred, but the web br[...]

  • Page 24

    24 A A. T echnical Specifications The following table lists the technical specifications for the cable modem. T able 3. T echnical specifications Feature Specification Power adapter • Input: 1 10–120V , 47–60 Hz • Output: 12 VDC, 1A Physical specifications • Dimensions: 5.8 x 3.8 x 1.8 in. (147 x 96 x 30 mm) • W eight: 0.44 lb (0.19 kg)[...]