USER GUIDE SB6120 SURFboard® DOCSIS® 3.0 Cable Modem
1 OVERVIEW 2 Front Panel The SB6120 front panel lights provide information about power, communications, and errors. Key Light Off Flashing On 1
1 OVERVIEW 3 Optional LED operation available in some locations: RECEIVE and SEND lights are blue when the downstream and upstream channels are con
1 OVERVIEW 4 Bottom Label on the SB6120 The label on the bottom of the SB6120 contains the Media Access Control (MAC) address, a unique, 48-bit valu
5 2 INSTALLATION The following topics provide information about installing the SB6120 hardware: • Before You Begin • Precautions • Signing Up for S
2 INSTALLATION 6 Precautions Postpone SB6120 cable modem installation until there is no risk of a thunderstorm or lightning activity in the area. To
2 INSTALLATION 7 Signing Up for Service You must sign up with an Internet Service provider to access the Internet and other online services. To act
2 INSTALLATION 8 You can use any web browser, such as Microsoft Internet Explorer®, Netscape Navigator®, or Mozilla® Firefox® with the SB6120. The f
2 INSTALLATION 9 6. Perform the procedures for Configuring TCP/IP. You may wall mount your SB6120 by following the steps on the following pages.
2 INSTALLATION 10 Cabling the LAN After connecting to the cable system, you can connect your wired Ethernet LAN. Some sample connections are shown i
2 INSTALLATION 11 The sample Print dialogue window shown below may vary slightly on your computer, depending upon your operating system. To print
i SAFETY AND REGULATORY INFORMATION IMPORTANT SAFETY INSTRUCTIONS — when using your equipment, basic safety precautions should always be followed t
2 INSTALLATION 12 10. Slide the SB6120 down until it stops against the top of the keyhole opening. After mounting, reconnect the coaxial cable input
2 INSTALLATION 13 Configuring TCP/IP Make sure all client computers are configured for TCP/IP, which is a protocol for communication between comput
2 INSTALLATION 14 In the steps that follow, a connection number such as 1, 2, or 3 represents PCs with multiple network interfaces. PCs having only
2 INSTALLATION 15 7. Click Protocol and then click Add. The Select Network Protocol window is displayed. 8. Click Internet Protocol (TCP/IP), a
2 INSTALLATION 16 10. Be sure Obtain an IP address automatically and Obtain DNS server address automatically are selected. 11. Click OK to save the
2 INSTALLATION 17 3. Click Network and Internet Connections to display the Network and Internet Connections window. 4. Click Network Connection
2 INSTALLATION 18 7. Select Properties from the drop-down menu to display the Local Area Connection Properties window. Be sure Internet Protocol (
2 INSTALLATION 19 9. Make sure Obtain an IP address automatically and Obtain DNS server address automatically are selected. 10. Click OK to save t
2 INSTALLATION 20 4. Double-click Network and Sharing Center to display the Network and Sharing Center window. 5. Click Manage network connectio
2 INSTALLATION 21 7. If more than one connection is displayed, make sure to select the one for your network interface. Vista may prompt you to al
ii • Do not use this product near water; for example, near a bathtub, washbowl, kitchen sink or laundry tub, in a wet basement, or near a swimming
2 INSTALLATION 22 When you complete the TCP/IP configuration, go to Verifying the IP Address in Windows Vista. Verifying the IP Address in Windows 2
2 INSTALLATION 23 8. Type exit and press Enter to return to Windows. 9. If the computer cannot access the Internet after performing this procedu
2 INSTALLATION 24 5. Type cmd and click OK to open a command prompt window. 6. Type ipconfig and press Enter to display the IP Configuration. A
2 INSTALLATION 25 8. Type exit and press Enter to return to Windows. If the computer cannot access the Internet after performing this procedure,
26 3 TROUBLESHOOTING If the solutions listed here do not solve your problem, contact your service provider. Before calling your service provider, t
27 4 CONTACT US If you need assistance while working with the SB6120, contact your Internet Service provider. For information about customer servic
28 5 FREQUENTLY ASKED QUESTIONS Here are answers to questions our customers frequently ask: Q What is high-speed cable Internet access? A Cable In
5 FREQUENTLY ASKED QUESTIONS 29 Q Do I need to subscribe to cable TV to get cable Internet access? A No, but you will need to subscribe to cable In
30 6 GLOSSARY This glossary defines terms and lists acronyms used with the SB6120. TERM DEFINITION broadband High bandwidth network technology that
6 GLOSSARY 31 TERM DEFINITION expansion slot An opening in a computer where a circuit board can be inserted to add new capabilities. F-type connect
iii INTERNATIONAL DECLARATION OF CONFORMITY We, Motorola, Inc. 101 Tournament Drive Horsham, PA, U.S.A. Declare under our sole responsibility t
Motorola, Inc. 101 Tournament Drive Horsham, PA 19044 U.S.A. http://www.motorola.com 548201-001-a 06/08
iv SOFTWARE LICENSE SB6120 SURFboard DOCSIS 3.0 Cable Modem Motorola, Inc. Home and Networks Mobility Business (“Motorola”) 101 Tournament Drive,
v Motorola retains all rights not expressly licensed under this License. The Software, including any images, graphics, photographs, animation, vide
vi IN NO EVENT SHALL MOTOROLA BE LIABLE TO YOU OR ANY OTHER PARTY FOR ANY DIRECT, INDIRECT, GENERAL, SPECIAL, INCIDENTAL, CONSEQUENTIAL, EXEMPLARY
vii CONTENTS 1 Overview .........
1 1 OVERVIEW Congratulations, you have a new Motorola® SB6120 SURFboard® DOCSIS® 3.0 Cable Modem! It provides high-speed access to the Internet and
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