Table of Contents
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Touchstone
CM820 Cable Modem
®
User's Guide
Get ready to experience the Internet's express lane! Whether you're checking out
streaming media, downloading new software, or checking your email, the Touch-
stone CM820 Cable Modem brings it all to you up to eight times faster than stan-
dard DOCSIS 2.0 cable modems.
The Touchstone Cable Modem provides an Ethernet connection for use with either
a single computer or home/office Local Area Network (LAN).
Installation is simple and your cable company will provide assistance to you for any
special requirements. The links below provide more detailed instructions.
Configuring Your Ethernet Connection
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Table of Contents
Related Manuals for Arris Touchstone CM820
Summary of Contents for Arris Touchstone CM820
- Page 1 Touchstone CM820 Cable Modem ® User’s Guide Get ready to experience the Internet’s express lane! Whether you’re checking out streaming media, downloading new software, or checking your email, the Touch- stone CM820 Cable Modem brings it all to you up to eight times faster than stan- dard DOCSIS 2.0 cable modems.
- Page 2 Users must take full responsibility for their applications of any products specified in this document. The information in this document is proprietary to ARRIS. ARRIS, Touchstone, and the ARRIS logo are trademarks or registered trademarks of ARRIS. All other trademarks and registered trademarks are the property of their respective hold- ers.
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Page 3: Safety Requirements
Configuration Usage Troubleshooting Glossary Safety Requirements ARRIS Cable Modems comply with the applicable requirements for performance, construction, labeling, and information when used as outlined below: CAUTION Risk of shock Mains voltages inside this unit. No user serviceable parts inside. Refer service to qualified personnel only! - Page 4 • Do not mount the Cable Modem on surfaces that are sensitive to heat and/or which may be damaged by the heat generated by the modem, its power supply, or other accessories. Touchstone CM820 Cable Modem User’s Guide...
- Page 5 Consult the dealer or an experienced radio/TV technician for help. Changes or modifications to this equipment not expressly approved by the party re- sponsible for compliance could void the user’s authority to operate the equipment. Touchstone CM820 Cable Modem User’s Guide...
- Page 6 CE marking in accordance with the above applicable Direc- tive(s). A copy of the Declaration of Conformity may be obtained from: ARRIS Interna- tional, Inc., 3871 Lakefield Drive, Suite 300, Suwanee, GA 30024. As indicated by this symbol, disposal of this product is governed by Directive 2002/96/EC of the European Parliament and of the Council on waste electrical and electronic equipment (WEEE).
- Page 7 5.0 W (idle) 5.5 W (maximum) Note: In most instances, ARRIS recommends that the power switch remain in the ON position at all times. Turning the switch OFF disables the device. Turning the switch OFF is recommended only during vacations or similar extended absences.
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Page 8: Getting Started
Troubleshooting Glossary Getting Started About Your New Cable Modem The Touchstone CM820 Cable Modem is DOCSIS® 3.0 or Euro-DOCSIS™ 3.0 com- pliant with the following features: • Speed: much faster than dialup or ISDN service; up to eight times faster than DOCSIS 2.0 cable modems... -
Page 9: Items You Need
Information packet: your cable company should furnish you with a packet containing information about your service and how to set it up. Read this in- formation carefully and contact your cable company if you have any ques- tions. Touchstone CM820 Cable Modem User’s Guide... - Page 10 Do you have any special system requirements or files that I need to down- load after I am connected? • When can I start using my Cable Modem? • Do I need a user ID or password to access the Internet or my e-mail? Touchstone CM820 Cable Modem User’s Guide...
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Page 11: System Requirements
Ethernet connection: Windows 2000, Windows XP, Windows Vista, or Windows 7 MacOS Ethernet connection: System 7.5 to MacOS 9.2 (Open Transport recommended) or MacOS X Linux/other Unix Ethernet connection: Hardware drivers, TCP/IP, and DHCP must be enabled in the kernel Touchstone CM820 Cable Modem User’s Guide... -
Page 12: About This Manual
Ethernet hub or broadband router with a cross-over switch, ask for Category 5e (CAT5e) straight-through cable. CAT5e cable is required for giga- bit Ethernet (Gig-E), not regular CAT5 cable. Ethernet Cable Touchstone CM820 Cable Modem User’s Guide... - Page 13 If you connect your Cable Modem to a wireless LAN, make sure you enable security and encryption on the wireless hub (for the same reasons that you should run only secured proxies). Consult the documentation and technical support of the wireless equipment provider for help. Touchstone CM820 Cable Modem User’s Guide...
- Page 14 If you have ordered service, your cable company should configure the Cable Modem automatically. You need only follow the instructions in this section to install and connect the Cable Modem. Touchstone CM820 Cable Modem User’s Guide...
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Page 15: Front Panel
(yellow): for use with a computer or home network LAN connection. Cable: connector for the coax cable. D Power: connector for the power cord. Power Switch (CM820S only): power On/Off switch. Ethernet Reset Cable 10/100/1000 CM820S Touchstone CM820 Cable Modem User’s Guide... - Page 16 Always position the Cable Modem: • within reach of an AC outlet. The power cord must reach the outlet without stretching and without adding extension cords. • near a cable outlet (to avoid long cable runs). Touchstone CM820 Cable Modem User’s Guide...
- Page 17 • it will not fall to the floor if bumped or moved • the ventilation holes on the side of the unit are not blocked Proceed to Connecting the Cable Modem. Touchstone CM820 Cable Modem User’s Guide...
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Page 18: Connecting The Cable Modem
Ethernet port on a computer, hub, or broadband router. Note: If you are connecting to a computer, use the Ethernet cable included in the Cable Modem package. Ethernet Reset 10/100/1000 Cable CM820S Touchstone CM820 Cable Modem User’s Guide... - Page 19 Ethernet connection on your operating system. • TCP/IP Configuration for Windows 2000 • TCP/IP Configuration for Windows XP • TCP/IP Configuration for Windows Vista • TCP/IP Configuration for Windows 7 • TCP/IP Configuration for MacOS X Touchstone CM820 Cable Modem User’s Guide...
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Page 20: Tcp/Ip Configuration For Windows 2000
Properties. Note: If your computer has more than one Ethernet card, you may have to select the appropriate Ethernet card in the Connect using: area of the Local Area Connection Properties window. Touchstone CM820 Cable Modem User’s Guide... - Page 21 Click OK to accept the new settings, and OK again to close the Configura- tion window. You may have to restart your computer in order for your computer to obtain a new IP address from the network. Touchstone CM820 Cable Modem User’s Guide...
- Page 22 From the computer, select Start > Settings > Control Panel and double- click Network Connections in the Control Panel. The Network Connection window displays a list of LAN connections and as- sociated network adapters. Touchstone CM820 Cable Modem User’s Guide...
- Page 23 Troubleshooting Glossary Double-click the local area connection to be used for your device’s network connection. The Local Area Connection Status widow displays. Click Properties. Select TCP/IP by clicking it one time. Then click Properties. Touchstone CM820 Cable Modem User’s Guide...
- Page 24 Click OK to accept the new settings, and OK again to close the Properties window. You may have to restart your computer in order for your computer to obtain a new IP address from the network. Touchstone CM820 Cable Modem User’s Guide...
- Page 25 TCP/IP Configuration for Windows Vista Follow these steps to configure the Ethernet interface on a Windows Vista operat- ing system. Open the Vista Control Panel. Double-click Network and Sharing Center to display the Network and Sharing Center Window. Touchstone CM820 Cable Modem User’s Guide...
- Page 26 Click Manage network connections. If prompted for a connection, choose Local Area Connection. The Network Connections window displays. Double-click the Local Area Connection to open the Properties window: Note: If Windows requests permission to continue, click Continue. TCP/IPv4 Selected TCP/IPv6 Selected Touchstone CM820 Cable Modem User’s Guide...
- Page 27 For either TCP/IPv4 or TCP/IPv6, select Obtain an IP address automati- cally and Obtain DNS server address automatically, unless instructed otherwise by your cable provider. Click OK to accept the new settings and close the Properties window. Touchstone CM820 Cable Modem User’s Guide...
- Page 28 Installation Configuration Usage Troubleshooting Glossary TCP/IP Configuration for Windows 7 Follow these steps to configure the Ethernet interface on a Windows 7 operating system. Open the Windows 7 Control Panel. Click Network and Internet. Touchstone CM820 Cable Modem User’s Guide...
- Page 29 Getting Ethernet Safety Started Installation Configuration Usage Troubleshooting Glossary Click Network and Sharing Center. Click Local Area Connection to open the Status window. Touchstone CM820 Cable Modem User’s Guide...
- Page 30 Getting Ethernet Safety Started Installation Configuration Usage Troubleshooting Glossary Click Properties to open the Properties window. TCP/IPv4 Selected TCP/IPv6 Selected Touchstone CM820 Cable Modem User’s Guide...
- Page 31 Obtain DNS server address automatically, unless instructed otherwise by your cable provider. Click OK to accept the newe settings and close the Properties window. Then click Close to back out of the remaining setup screens. Touchstone CM820 Cable Modem User’s Guide...
- Page 32 Follow these steps to configure the Ethernet interface on a MacOS X operating sys- tem. Open System Preferences, either by choosing System Preferences from the Apple menu or by clicking the System Preferences icon in the dock. Touchstone CM820 Cable Modem User’s Guide...
- Page 33 Getting Ethernet Safety Started Installation Configuration Usage Troubleshooting Glossary Click the Network icon. Touchstone CM820 Cable Modem User’s Guide...
- Page 34 If your cable provider requires TCP/IPv6, go to step 8. Choose Using DHCP from the Configure IPv4 menu. If necessary, click the Renew DHCP Lease button. Close the System Properties application. TCP/IPv4 configuration is completed. Touchstone CM820 Cable Modem User’s Guide...
- Page 35 Troubleshooting Glossary If you are using TCP/IPv6, click Configure IPv6 near the bottom of the pre- vious window. Choose Automatically from the Configure IPv6 drop-down menu and click 10 Close the System Properties application. Touchstone CM820 Cable Modem User’s Guide...
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Page 36: Using The Cable Modem
Using the Reset Button Setting up Your Computer to Use the Cable Modem Follow the instructions in the information packet supplied by your cable company. Contact your cable company if you need help setting up your computer. Touchstone CM820 Cable Modem User’s Guide... -
Page 37: Indicator Lights
Your cable company may configure the Cable Modem to always display the DS, US, and Link indicators in green regardless of the connection speed or swap the meaning (speed indication) of yellow and green. Touchstone CM820 Cable Modem User’s Guide... - Page 38 Cable Modem establishes and ultra-high speed connection. For some cable companies these colors may be reversed. The Link indicator may be yellow or green, as determined by the table on the previous page. Touchstone CM820 Cable Modem User’s Guide...
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Page 39: Using The Reset Button
Reset button. The Reset button is recessed to prevent acci- Ethernet Cable Reset 10/100/1000 dental resets. Model CM820S only: The rear panel power switch can also be used to power cycle the unit. Reset Button Power Switch Ethernet Cable Reset 10/100/1000 CM820S Touchstone CM820 Cable Modem User’s Guide... -
Page 40: Troubleshooting
(you may have to replace the cable). If you have one or more splitters between the Cable Modem and CATV outlet, remove the splitters and connect the Cable Modem directly to the outlet. Proceed to the Ethernet solution (next page) if necessary. Touchstone CM820 Cable Modem User’s Guide... - Page 41 If your Cable Modem is connected to a LAN (Local Area Network), either di- rectly or through a firewall, other communications on the LAN may slow down your connection. To test your network speed, try an online test such as http://reviews.cnet.com/Bandwidth_meter/7004-7254_7-0.html Touchstone CM820 Cable Modem User’s Guide...
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Page 42: Glossary
Domain Name Service (Server). An IP service that associates a domain name (such as www.example.com) with an IP address. Downstream In an HFC network, the direction from the head-end to the subscriber. Some older cable documentation may refer to this as the forward path. Touchstone CM820 Cable Modem User’s Guide... - Page 43 In larger cable networks, a “master” headend often feeds several “remote” headends to provide distributed services. HTTP HyperText Transfer Protocol. A box with several Ethernet connectors. Ethernet hubs provide a common point of contact for all connected devices. Touchstone CM820 Cable Modem User’s Guide...
- Page 44 Abbreviation for Radio Frequency. Some literature refers to coax as “RF cable” and the connectors as “RF connectors.” Touchstone CM820 Cable Modem User’s Guide...
- Page 45 Upstream The path from a subscriber device to the headend. Some older cable docu- mentation may refer to this as the return path or reverse path. Touchstone CM820 Cable Modem User’s Guide...
- Page 46 © 2011 ARRIS Group, Inc. All rights reserved All information contained in this document is subject to change without notice. ARRIS reserves the right to make changes to equipment design or program components, as progress in engineering, manufacturing methods, or other circumstances may warrant.