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Table of Contents
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Summary of Contents for NETGEAR CM212
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Page 2: Installation Overview
Introduction CM212 Broadband Cable Modem Thank you for purchasing a NETGEAR CM212 Cable Modem. With this modem you can have secure high-speed Internet access and, if you have an Cable/DSL Gateway Router, share the modem with several computers. This installation guide shows you how to connect the modem and configure it and your computers for secure Internet access. -
Page 3: What's In The Box
Vertical stand • Ethernet patch cable • USB cable • CM212 GearBox CD • CM212 Installation Guide (this document) • Warranty and registration card • Support information card Broad band Cable Mode m CM212 Broadband Cable Modem Category 5 Ethernet cable... -
Page 4: Prepare For Installation
Prepare for Installation Before installing the CM212 cable modem, you should have active (two-way) cable service and an Internet account with your cable provider. Note: If you’re connecting a single computer to the modem, you may use either the modem’s USB or Ethernet port. If you’re connecting more than one computer, you must use the Ethernet port combined with a Router. -
Page 5: Install The Cable Modem
Note: The modem must be connected to the Coaxial Cable and established link (Cable and Status Lights are solid Green) before your PC will recognize the modem. Proceed to Chapter 3 page 6 to install the USB drivers. CM212 Broadband Cable Modem... - Page 6 The Power, Cable, Status, and Ethernet lights on the modem should be lit. If any of the lights are not light, go to Troubleshooting on page 13. Note: If you plan on sharing your cable Internet Service among multiple PCs, refer to section 5 of this Guide. CM212 Broadband Cable Modem...
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Page 7: The Modem
For the USB connection, you need to install USB drivers on your Windows computer. 1. If the computer was turned off, turn it on now. 2. Insert the CM212 GearBox CD in the computer’s CD-ROM drive. 3. Once the following dialog box appears click... - Page 8 4. Select and click “Search for suitable drivers for my device” Next 5. Select and click CD-ROM Drives Next...
- Page 9 6. Click when the following dialog box appears. Next 7. Click Finish...
- Page 10 8. When the following dialog box appears, click 9. Restart the computer. 10. Proceed to Chapter 4 – Test the Connection on page 11. Ethernet Connection For the Ethernet connection, configure the TCP/IP settings on the computer and then restart the computer.
- Page 11 Windows 98 or Me 1. Choose Settings>Control Panel menu. Start 2. Double-click the Network Click the Configuration 4. In the list of installed network components, select the TCP/IP entry for the computer’s Ethernet adapter or NIC. 5. Click Properties 6. Click the IP Address 7.
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Page 12: Macintosh Operating System
Macintosh Operating System Mac OS ® 8.6 or 9.x 1. Choose Control Panels > TCP/IP Apple ( ) menu. 2. Choose from the User Mode 3. Click and click Advanced If not already selected, select Ethernet in the Connect via list. 5. -
Page 13: Test The Connection
To test your setup, you view a Web page online. 1. Start your Internet browser on the computer 2. Go to NETGEAR’s Web site (www.NETGEAR.com). Note: If NETGEAR’S Web site doesn’t appear, go to Troubleshooting on page 13. 3. Quit your Internet browser. - Page 14 Sharing Your Cable Internet with Multiple Computers Combining a Cable/DSL router with your Cable Modem enables you to connect multiple computers so they can share access. Refer to your Router documentation for complete installation instructions. CM212 Broadband Cable Modem Cable/DSL Web Safe Router RP614...
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Page 15: Troubleshooting
Troubleshooting No lights are lit on the modem The modem has no power. • Make sure the power adapter is properly connected to the modem. • Make sure the power adapter is properly connected to a functioning power outlet. If it’s in a power strip, make sure the power strip is turned on. - Page 16 For Windows, the Network Properties should have (see page 9). For Macintosh computers, the TCP/IP (or Network) control panel should be set (see page 10). Using DHCP Server Resetting TCP/IP Properties (Windows) If you’re on a Windows computer and are still having problems, you may try the following procedure before contacting technical support.
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Page 17: Glossary Of Terms
Community Antenna Television (CATV): Broadband cable TV and Internet access service. DOCSIS: Data Over Cable Service Interface Specification. A specification that defines interface requirements for cable modems. IP Address: A 4-part number uniquely defining each host on the Internet. Usually written in dotted- decimal notation with separating periods (for example, 134.177.244.57). - Page 18 In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to make changes to the products described in this document without notice. NETGEAR does not assume any liability that may occur due to the use or application of the product(s) or circuit layout(s) described herein.
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Page 19: Technical Support
©2002 by NETGEAR, Inc. All rights reserved. NETGEAR is a trademark or registered trademark of NETGEAR, Inc. in the United States and/or other countries. Other brand and product names are trademarks or registered trademarks of their respective holders. Information is subject to change without notice.