U S ER GU IDE SB6120 ® ® SURFboard DOCSIS 3.0 Cable Modem...
SAFETY AND REGULATORY INFORMATION IMPORTANT SAFETY INSTRUCTIONS — when using your equipment, basic safety precautions should always be followed to reduce the risk of fire, electric shock, and injury to persons, including the following: • Read all of the instructions listed here and/or in the user manual before you operate this device.
(1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. FCC CAUTION: Any changes or modifications not expressly approved by Motorola for compliance could void the user’s authority to operate the equipment.
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CONTENTS 1 Overview ... 1 Front Panel ... 2 Rear Panel ... 3 Bottom Label on the SB6120... 4 2 Installation ... 5 Before You Begin... 5 Precautions ... 6 Signing Up for Service... 7 Computer System Requirements ... 7 Ethernet Card...
1 OVERVIEW ® ® ® Congratulations, you have a new Motorola SB6120 SURFboard DOCSIS 3.0 Cable Modem! It provides high-speed access to the Internet and other online services. This cable modem transmits and receives data much faster than traditional dial-up, DSL, or ISDN modems.
1 OVERVIEW Front Panel The SB6120 front panel lights provide information about power, communications, and errors. Light During normal operation, the POWER, RECEIVE, SEND, and ONLINE lights are ON. The LINK light flashes when the cable modem is transferring data. Flashing Power is This light never flashes...
1 OVERVIEW Optional LED operation available in some locations: RECEIVE and SEND lights are blue when the downstream and upstream channels are connected with bonded channels. LINK light is blue for high-speed Ethernet connection (Gigabit) from the SB6120 to your computer. Rear Panel The rear panel contains cabling connectors and the power receptacle.
1 OVERVIEW Bottom Label on the SB6120 The label on the bottom of the SB6120 contains the Media Access Control (MAC) address, a unique, 48-bit value permanently saved in ROM at the factory to identify each Ethernet network device. To receive data service, you will need to provide the MAC address marked HFC MAC ID to your Internet Service provider.
2 INSTALLATION The following topics provide information about installing the SB6120 hardware: • Before You Begin • Precautions • Signing Up for Service • Computer System Requirements • Cabling and Startup for the SB6120 • Wall Mounting Your SB6120 • Configuring TCP/IP Before You Begin Before you begin the installation, check that you received the following items with...
2 INSTALLATION Precautions Postpone SB6120 cable modem installation until there is no risk of a thunderstorm or lightning activity in the area. To avoid damaging the cable modem with static electricity: • Always first connect the coaxial cable to the grounded cable TV wall outlet. •...
2 INSTALLATION Signing Up for Service You must sign up with an Internet Service provider to access the Internet and other online services. To activate your service, call your local Internet service provider. To receive data service, you need to provide the label marked CM HFC MAC ID here:...
2 INSTALLATION You can use any web browser, such as Microsoft Internet Explorer ® Navigator , or Mozilla The following operating systems are not supported by the SB6120. Microsoft support for these products has ended: • ® Windows • ® Windows •...
2 INSTALLATION 6. Perform the procedures for You may wall mount your SB6120 by following the steps on the following pages. 7. Check that the lights on the front panel cycle through this sequence: POWER Turns on when AC power is connected to the SB6120. Indicates that the power is connected properly.
2 INSTALLATION Cabling the LAN After connecting to the cable system, you can connect your wired Ethernet LAN. Some sample connections are shown in the drawing below. On each networked computer, you must install proper information about network cabling is beyond the scope of this document. Wall Mounting Your SB6120 If you mount your SB6120 on the wall, you must: •...
2 INSTALLATION The sample Print dialogue window shown below may vary slightly on your computer, depending upon your operating system. To print the template only, select Current page as the Print Range. Be sure you print the template at 100% scale. Be sure No Scaling is selected for Scale to paper size.
2 INSTALLATION 10. Slide the SB6120 down until it stops against the top of the keyhole opening. After mounting, reconnect the coaxial cable input and Ethernet connection. Plug the power cord into the +12VDC connector on the cable modem and the electrical outlet.
2 INSTALLATION Configuring TCP/IP Make sure all client computers are configured for TCP/IP , which is a protocol for communication between computers. Perform one of the following for the operating system you are running: • Configuring TCP/IP in Windows 2000 •...
2 INSTALLATION In the steps that follow, a connection number such as 1, 2, or 3 represents PCs with multiple network interfaces. PCs having only one network interface may be represented as “Local Area Connection. ” 3. Double-click Local Area Connection number to display the Local Area Connection number Status window.
2 INSTALLATION 7. Click Protocol and then click Add. The Select Network Protocol window is displayed. 8. Click Internet Protocol (TCP/IP), and then click OK. The Local Area Connection number Properties window is redisplayed. 9. Click Internet Protocol (TCP/IP), and then click Properties to display the Internet Protocol (TCP/IP) Properties window.
2 INSTALLATION 10. Be sure Obtain an IP address automatically and Obtain DNS server address automatically are selected. 11. Click OK to save the TCP/IP settings and exit the TCP/IP Properties window. 12. Click OK to exit the Local Area Connection Properties window. 13.
2 INSTALLATION 3. Click Network and Internet Connections to display the Network and Internet Connections window. 4. Click Network Connections to display the LAN or High-Speed connections. You can skip to step 7 . 5. If a Classic view similar to the screenshot below is displayed, double-click Network Connections to display LAN or High-Speed Internet connections.
2 INSTALLATION 7. Select Properties from the drop-down menu to display the Local Area Connection Properties window. Be sure Internet Protocol (TCP/IP) is checked. 8. Select Internet Protocol (TCP/IP) and click Properties to display the Internet Protocol (TCP/IP) Properties window.
2 INSTALLATION 9. Make sure Obtain an IP address automatically and Obtain DNS server address automatically are selected. 10. Click OK to save the TCP/IP settings and exit the TCP/IP Properties window. 11. Click OK to exit the Local Area Connection Properties window. When you complete the TCP/IP configuration, go to 2000 or Windows Configuring TCP/IP in Windows Vista...
2 INSTALLATION 4. Double-click Network and Sharing Center to display the Network and Sharing Center window. 5. Click Manage network connections to display LAN or High-Speed Internet connections. 6. Right-click the network connection and select Properties to display the Local Area Connection Properties window.
2 INSTALLATION 7. If more than one connection is displayed, make sure to select the one for your network interface. Vista may prompt you to allow access to the Network Properties Options. If you see the prompt, User Account Control -- Windows needs your permission to continue, click Continue.
2 INSTALLATION When you complete the TCP/IP configuration, go to Vista. Verifying the IP Address in Windows 2000 or Windows XP Do the following to check the IP address: 1. On the Windows Desktop, click Start. 2. Select Run. The Run window is displayed. 3.
2 INSTALLATION 8. Type exit and press Enter to return to Windows. 9. If the computer cannot access the Internet after performing this procedure, call your Internet Service provider for help. Verifying the IP Address in Windows Vista Do the following to verify the IP address: 1.
2 INSTALLATION 5. Type cmd and click OK to open a command prompt window. 6. Type ipconfig and press Enter to display the IP Configuration. A display similar to the following indicates a normal configuration. 7. If an Autoconfiguration IP Address is displayed, there is an incorrect connection between the PC and the SB6120, or there are broadband network problems.
2 INSTALLATION 8. Type exit and press Enter to return to Windows. If the computer cannot access the Internet after performing this procedure, call your Internet Service provider for help.
3 TROUBLESHOOTING If the solutions listed here do not solve your problem, contact your service provider. Before calling your service provider, try pressing the reset button on the rear panel of the SB6120. Resetting the SB6120 may take 5 to 30 minutes. Your service provider may ask for the status of the lights as described in Error Conditions.
If you need assistance while working with the SB6120, contact your Internet Service provider. For information about customer service, technical support, or warranty claims, see the Motorola Regulatory, Safety, Software License, and Warranty Information card provided with the SB6120. For answers to typical questions, see Frequently Asked Questions.
They are intended to ensure that all compliant cable modems interface with all compliant cable systems. Your Motorola SB6120 cable modem is DOCSIS or Euro-DOCSIS certified. If I have a cable modem, can I still use my old 28.8 Kbps or 56 Kbps modem? Yes! Although once you’ve experienced the speed of cable Internet access, you’ll...
5 FREQUENTLY ASKED QUESTIONS Do I need to subscribe to cable TV to get cable Internet access? No, but you will need to subscribe to cable Internet service. Some systems require that you subscribe to basic service before you can get Internet access and/or offer a discount when you use your own cable modem.
6 GLOSSARY This glossary defines terms and lists acronyms used with the SB6120. TERM DEFINITION broadband High bandwidth network technology that multiplexes multiple, independent carriers to carry voice, video, data, and other interactive services over a single cable. A communications medium that can transmit a relatively large amount of data in a given time period.
6 GLOSSARY TERM DEFINITION expansion slot An opening in a computer where a circuit board can be inserted to add new capabilities. F-type A type of connector used to connect coaxial cable to equipment connector such as the SB6120. IP address An Internet Protocol address is an identifier for a computer or device on a TCP/IP network.
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