NETGEAR CM1100 User Manual

NETGEAR CM1100 User Manual

Nighthawk multi-gig speed cable modem

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Nighthawk Multi-Gig Speed
Cable Modem
User Manual
Model CM1100
August 2018
202-11884-01
350 E. Plumeria Drive
San Jose, CA 95134
USA

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Table of Contents
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Summary of Contents for NETGEAR CM1100

  • Page 1 Nighthawk Multi-Gig Speed Cable Modem User Manual Model CM1100 August 2018 202-11884-01 350 E. Plumeria Drive San Jose, CA 95134...
  • Page 2 You can visit https://www.netgear.com/support/ to register your product, get help, access the latest downloads and user manuals, and join our community. We recommend that you use only official NETGEAR support resources. Contact your Internet service provider for technical support. Trademarks NETGEAR, Inc.
  • Page 3: Table Of Contents

    Contents Chapter 1 Hardware Setup Unpack Your Cable Modem..................5 Front Panel and LEDs....................6 Rear Panel......................8 Label........................9 System Requirements....................9 Install and Activate Your Cable Modem..............10 Connect Your Cable Modem to a Computer............10 Activate Your Internet Service.................11 Perform a Speed Test..................12 Connect Your Cable Modem to a Router After Installation and Activation..12 Chapter 2 Manage Your Network Log In to the Cable Modem..................15 Change the admin Password................15...
  • Page 4: Chapter 1 Hardware Setup

    System Requirements • Install and Activate Your Cable Modem For more information about the topics covered in this manual, visit the support website at support.netgear.com. Note An uninterruptible power supply (UPS) can be purchased separately for continued service during power outages. For a list of supported UPS models, visit...
  • Page 5: Unpack Your Cable Modem

    Nighthawk Multi-Gig Speed Cable Modem Unpack Your Cable Modem Your package contains the following items. Figure 1. Package contents High Speed Cable Modem (Model CM1100) Ethernet cable Power adapter Hardware Setup...
  • Page 6: Front Panel And Leds

    Nighthawk Multi-Gig Speed Cable Modem Front Panel and LEDs The cable modem provides status LEDs on the front. Figure 2. Front panel You can use the LEDs to verify status and connections. The following table lists and describes each LED on the cable modem.
  • Page 7 Nighthawk Multi-Gig Speed Cable Modem Table 1. LED descriptions Icon Description Power • Solid green. Power is supplied to the cable modem. • Off. No power is supplied to the cable modem. • Solid red. The cable modem is too warm and might overheat. For more information about this condition, see Use LEDs to Troubleshoot page 23.
  • Page 8: Rear Panel

    Nighthawk Multi-Gig Speed Cable Modem Table 1. LED descriptions (Continued) Icon Description LAN 1 • Green. A powered-on device is connected to the LAN port at 1000 Mbps. • Amber. A powered-on device is connected to the LAN port at 10 Mbps or 100 Mbps.
  • Page 9: Label

    Nighthawk Multi-Gig Speed Cable Modem Figure 3. Rear panel Viewed from top to bottom, the back panel contains the following components: • Reset button. Pressing the Reset button resets the cable modem. If the Reset button is pressed for at least seven seconds, the Power LED blinks green and the cable modem returns to its factory settings. •...
  • Page 10: Install And Activate Your Cable Modem

    Nighthawk Multi-Gig Speed Cable Modem Mac OS Other operating systems running a TCP/IP network • Compatible web browser: Microsoft Internet Explorer 5.0 or later Firefox 2.0 or later Safari 1.4 or later Google Chrome 11.0 or later • Cable broadband Internet service Install and Activate Your Cable Modem The cable modem provides a connection between your cable Internet provider’s network and your computer, router, or WiFi router.
  • Page 11: 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.
  • Page 12: Perform A Speed Test

    Nighthawk Multi-Gig Speed Cable Modem Table 2. Cable Internet provider contact information Cable Internet Contact Information Provider CableOne http://www.cableone.net/ 1-877-MY-CABLE (1-877-692-2253) https://cox.com/activate 1-800-234-3993 Mediacom https://maestro.mediacomcc.com/walledgarden/page/login.jsp 1-855-Mediacom (1-855-633-4226) Optimum https://install.optimum.com/JointInstall/ 1-877-810-6750 Xfinity https://xfinity.com/activate https://www.xfinity.com/support/internet/activate-purchased-modem/ 1-800-XFINITY (1-800-934-6489) Note Your cable Internet provider’s contact information might change. You can find the contact information in your monthly Internet service billing statement.
  • Page 13 Nighthawk Multi-Gig Speed Cable Modem Figure 7. Connect the cable modem to a router To connect your cable modem to a router after installation and activation: Reboot the cable modem by unplugging the power cable from the cable modem and plugging it back Wait for the Internet LED to stop blinking and light solid green.
  • Page 14: Chapter 2 Manage Your Network

    Manage Your Network 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 a very limited number of settings and monitor the cable modem. This chapter includes the following sections: •...
  • Page 15: Log In To The Cable Modem

    Nighthawk Multi-Gig Speed Cable Modem Log In to the Cable Modem To log in to the cable modem: Connect a computer to your cable modem. You can connect a computer to your cable modem using the following methods: • Connect a computer to your cable modem using an Ethernet connection. •...
  • Page 16: View Cable Modem Initialization

    Nighthawk Multi-Gig Speed Cable Modem Your settings are saved. View Cable Modem Initialization You 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 cable modem is initialized. The cable modem automatically goes through the following steps in the provisioning process: Scans and locks the downstream frequency and then ranges the upstream channels.
  • Page 17: View And Clear Event Logs

    Nighthawk Multi-Gig Speed Cable Modem The ADVANCED Home page displays information about your cable modem. View and Clear Event Logs Event logs capture important cable modem events. To view and clear the event logs: Launch a web browser from a computer that is connected to your cable modem. Enter http://192.168.100.1.
  • Page 18: Ethernet Port Aggregation

    Nighthawk Multi-Gig Speed Cable Modem In the Starting Frequency field, type a number as instructed by your cable Internet provider. Click the Apply button. Your settings are saved. Ethernet Port Aggregation Ethernet aggregation lets you use the LAN 1 and 2 ports on your cable modem to improve the aggregated transfer speed.
  • Page 19: Change The Ethernet Port Aggregation Configuration Mode

    Nighthawk Multi-Gig Speed Cable Modem Enter the admin user name and password. The user name is admin. The default password is password. The user name and password are case-sensitive. The BASIC Home page displays. Select ADVANCED > Advanced Setup > Ethernet Port Aggregation. The Ethernet Port Aggregation page displays the Ethernet port aggregation status on the page.
  • Page 20: Reset The Cable Modem To Factory Default Settings

    Nighthawk Multi-Gig Speed Cable Modem The BASIC Home page displays. Click the ADVANCED tab. The ADVANCED Home page displays. Click the Reboot button. A confirmation message displays. Click the OK button. The cable modem reboots. Reset the Cable Modem to Factory Default Settings To reset the cable modem to factory default settings, you can use either the Reset button on the back panel of the cable modem or the Factory reset software button.
  • Page 21: Use The Reset Button On The Back Panel

    Nighthawk Multi-Gig Speed Cable Modem Use the Reset Button on the Back Panel CAUTION: This process erases all settings that you configured in the cable modem. To reset the cable modem to factory default settings using the Reset button: On the back of the cable modem, locate the Reset button. Using a straightened paper clip, press and hold the Reset button until the cable modem reboots itself.
  • Page 22: Chapter 3 Troubleshooting

    Troubleshooting This chapter provides information about troubleshooting your cable modem. The chapter includes the following sections: • Use LEDs to Troubleshoot • Cannot Log In to the Cable Modem • Troubleshoot the Cable Internet Connection...
  • Page 23: Use Leds To Troubleshoot

    • Check that you are using the 12 VDC, 2.5 A power adapter from NETGEAR for this product. • If the error persists, a hardware problem occurred. Contact technical support.
  • Page 24: Cannot Log In To The Cable Modem

    Nighthawk Multi-Gig Speed Cable Modem Table 3. Troubleshooting with LEDs (Continued) LED Behavior Action The Internet LED is off and the cable modem is connected to the cable wall jack. • Make sure that the coaxial cable connections are secure at the cable modem and at the wall jack. •...
  • Page 25: Troubleshoot The Cable Internet Connection

    Nighthawk Multi-Gig Speed Cable Modem • When entering configuration settings, be sure to click the Apply button before moving to another page, or your changes are lost. • Click the Refresh or Reload button in the web browser. It is possible that the changes occurred, but the web browser is caching the old configuration.
  • Page 26: Chapter 4 Supplemental Information

    Supplemental Information This appendix covers the following topics: • Factory Settings • Technical Specifications...
  • Page 27: Factory Settings

    Nighthawk Multi-Gig Speed Cable Modem Factory Settings The following table shows the factory default settings for the cable modem. Table 4. Factory default settings Feature Default Setting Cable modem login User login URL http://192.168.100.1 User name (case-sensitive) admin Login password (case-sensitive) password Internet connection WAN MAC address...
  • Page 28 Nighthawk Multi-Gig Speed Cable Modem Table 5. Technical specifications (Continued) Channels • 2 OFDM and 32 SC-QAM bonded downstream • 2 OFDMA and 8 SC-QAM bonded upstream Certifications FCC/UL Supplemental Information...

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