Download  Print this page

Motorola DOCSIS 3.0 SB6121 Installation Manual

Docsis 3.0 cable modem
Hide thumbs


Installation Guide
Motorola SURFboard
SB6121 DOCSIS 3.0
Cable Modem


Table of Contents

  Related Manuals for Motorola DOCSIS 3.0 SB6121

  Summary of Contents for Motorola DOCSIS 3.0 SB6121

  • Page 1 Installation Guide ® Motorola SURFboard ® SB6121 DOCSIS 3.0 Cable Modem...
  • Page 2 © 2010 Motorola, Inc. All rights reserved. No part of this publication may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from Motorola, Inc. Motorola and the Stylized M logo are registered trademarks of Motorola, Inc. All other product or service names are the property of their respective owners.
  • Page 3: Table Of Contents

    MAC Label ... 5 Installing the Modem Connecting the SB6121... 6 Using the Energy Conservation Switch ... 7 Wall Mounting the Modem ... 7 Wall Mounting Template... 8 Connecting to the Internet Checking for an Internet Connection... 10 Configuring TCP/IP for Windows 7... 10 Configuring TCP/IP for Windows Vista ...
  • Page 4: Safety And Regulatory Information

    • Place this device on a stable surface. • Avoid damaging the cable modem with static by touching the coaxial cable when it is attached to the earth-grounded coaxial cable-TV wall outlet. • Always first touch the coaxial cable connector on the cable modem when disconnecting or reconnecting the Ethernet cable from the cable modem or user’s PC.
  • Page 5 Caring for the Environment by Recycling When you see this symbol on a Motorola product, do not dispose of the product with residential or commercial waste. Recycling your Motorola Equipment Please do not dispose of this product with your residential or commercial waste.
  • Page 6: Fcc Radiation Exposure Statement

    IMPORTANT NOTE: This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 cm (8 inches) between the radiator and your body. SB6121 Cable Modem • Installation Guide Uncontrolled Document...
  • Page 7: Introduction

    Software License & Regulatory Card SB6121 Install Sheet Contact Information For more information on Motorola consumer cable products, education, and support: • Visit the Motorola support website: h ttp:// System Requirements The SB6121 is compatible with the following operating systems: Introduction •...
  • Page 8 • Windows XP, Service Pack 2 or later • Mac ® 10.4 or later (Ethernet connection only) • UNIX ® (Ethernet connection only) • Linux ® (Ethernet connection only) Introduction • System Requirements SB6121 DOCSIS 3.0® Cable Modem • Installation Guide Uncontrolled Document...
  • Page 9: Product Overview Front Panel

    Front Panel The SB6121 front panel icons provide the following modem status information for power, communications, and errors: ICON FLASHING Not applicable — icon does not flash Scanning for a downstream (receive) channel connection Scanning for an upstream (send) channel connection...
  • Page 10: Rear Panel

    The LINK icon turns blue when a high-speed Gigabit Ethernet (GigE) connection is made. Rear Panel Product Overview • Rear Panel SB6121 DOCSIS 3.0® Cable Modem • Installation Guide Uncontrolled Document Amber: A device, computer, or hub is connected to the Ethernet...
  • Page 11: Mac Label

    Coaxial cable connector +12VDC Power connector MAC Label The SB6121 Media Access Control (MAC) label is located on the bottom of the modem. It contains a MAC address which is a unique, 48-bit value that identifies each Ethernet network device.
  • Page 12: Installing The Modem

    1. Make sure the coaxial cable is connected to a cable outlet or splitter. 2. Connect the other end of the coaxial cable to the Cable connector on the modem. Hand-tighten the connectors to avoid damaging them.
  • Page 13: Using The Energy Conservation Switch

    OFF position (pushed out) to power off the cable modem Wall Mounting the Modem If you choose to mount the cable modem on a wall, do the following before starting: • Locate the unit as specified by the local or national codes governing residential or business cable TV and communications services.
  • Page 14: Wall Mounting Template

    3. After mounting the cable modem, reconnect the coaxial and Ethernet cable. 4. Re-plug the power cord into the +12VDC Power connector on the cable modem and the electrical outlet. 5. Properly arrange the cables to prevent any safety hazards.
  • Page 15 Installing the Modem • Wall Mounting the Modem SB6121 DOCSIS 3.0® Cable Modem • Installation Guide Uncontrolled Document...
  • Page 16: Connecting To The Internet

    If the Motorola website appears, you have successfully connected to the Internet. If you do not see the Motorola website, you may need to configure your cable modem to retrieve an IP address. For more information, see the Configuring TCP/IP section for your operating system.
  • Page 17: Configuring Tcp/Ip For Windows Vista

    When you complete the TCP/IP configuration, go to Windows XP. Connecting to the Internet • Configuring TCP/IP for Windows Vista SB6121 DOCSIS 3.0® Cable Modem • Installation Guide Uncontrolled Document Verifying the IP Address for to list the Dial-up and LAN or High-Speed...
  • Page 18: Verifying The Ip Address For Windows 7

    The Auto-configuration IP address, ranging from to, is reserved for Automatic Private IP Addressing (APIPA). This can occur if the modem is configured to automatically obtain an IP address from a Dynamic Host Configuration Protocol (DHCP) server. When Auto-configuration is enabled, Windows will automatically assign an IP address if the cable Modem is unable to obtain one.
  • Page 19: Renewing The Ip Address For Windows 7, Vista, Or Xp

    If, after performing this procedure, your computer still cannot access the Internet, call your service provider. Connecting to the Internet • Renewing the IP Address for Windows 7, Vista, or XP SB6121 DOCSIS 3.0® Cable Modem • Installation Guide Uncontrolled Document Renewing the IP Address...
  • Page 20: Monitoring Your Modem

    Use the SB6121 Modem Configuration Manager to monitor the various configuration settings and operational status of your cable modem. You can also reset the modem configuration back to the original factory settings. Starting the Modem Configuration Manager 1. Open any web browser on a computer connected to your cable modem.
  • Page 21: Restoring Your Modem Settings

    Restoring Your Modem Settings You can reset your SB6121 modem configuration to the factory default settings. 1. Select Configuration from the menu bar. 2. Click Reset All Defaults. WARNING: This will delete your existing modem configuration settings. Monitoring Your Modem • Restoring Your Modem Settings SB6121 DOCSIS 3.0®...
  • Page 22: Troubleshooting Solutions

    If the solutions listed here do not solve your problem, contact your service provider. You may have to reset the SB6121 modem configuration to its original factory settings if the cable modem is not functioning properly. Your service provider may ask for the status of the icon lights as described in Icons and Error Conditions.
  • Page 23: Front Panel Icons And Error Conditions

    ICON STATUS FLASHING FLASHING FLASHING Troubleshooting • Front Panel Icons and Error Conditions SB6121 DOCSIS 3.0® Cable Modem • Installation Guide Uncontrolled Document IF, DURING NORMAL IF, DURING STARTUP: OPERATION: SB6121 is not properly plugged SB6121 is unplugged or the...
  • Page 24: Software License & Warranty Software License

    The Software is never sold. Motorola licenses the Software to the original customer and to any subsequent licensee for personal use only on the terms of this License. Motorola and its 3rd party licensors retain the ownership of the Software.
  • Page 25: Warranty Information

    Product for its installation and use. While every reasonable effort has been made to insure that you will receive a Product that you can use and enjoy, Motorola does not warrant that the functions of the Product will meet your requirements or that the operation of the Product will be uninterrupted or error-free.
  • Page 27 Horsham, PA 19044 U.S.A. MOTOROLA and the Stylized M logo are registered in the US Patent and Trademark Office. All other product or service names are the property of their respective owners. ©2010 Motorola, Inc. All rights reserved. 577212-001-a 05/2010...

This manual is also suitable for:

Surfboard sb6121