3com Cable Modem External Manuale del Proprietario

http://www.3com.com/HomeConnectTM Cable Modem External with USB Getting Started GuidePart No. 10038811Published June 2000

6CHAPTER 2: USB INSTALLATIONcenter of the cable line when you connect it to the cable modem. After hand-tightening the CATV cable connector, use the a

Using USB with the Windows 98 Operating System74 Click Next.5 Select Search for the best driver for your device. (Recommended) and click Next.

8CHAPTER 2: USB INSTALLATION6 Check the CD-ROM drive check box and click Next to search for the necessary driver files.7 If Windows finds an updated d

Using USB with the Windows 98 Operating System98 Click Next. The computer automatically copies the necessary driver files from the CD.The computer fin

10CHAPTER 2: USB INSTALLATIONThe computer automatically copies the necessary system files. 10 Click Finish after the computer has copied the necessary

Using USB with the Windows 98 Operating System11The System Settings Change dialog box opens.11 Click Yes to restart the computer. 12 Verify that the

12CHAPTER 2: USB INSTALLATIONModem Operation” for a more in-depth description of the front panel LED indicators.Using the Cable Connections™ CD The in

Using USB with the Windows 2000 Operating System13accidentally select the wrong software and click Add/Remove, the Windows deletes the software and yo

14CHAPTER 2: USB INSTALLATION3 The Found New Hardware Wizard screen appears. Insert the included Cable Connections CD into the CD-ROM drive and Click

Using USB with the Windows 2000 Operating System155 Check the CD-ROM drives check box and click Next to search for the necessary driver files.6 The Fo

3Com Corporation3800 Golf Rd.Rolling Meadows, IL60008No part of this documentation may be reproduced in any form or by any means or used to make any d

16CHAPTER 2: USB INSTALLATION7 The Digital Signature Not Found screen appears. Click Yes to continue the driver installation.8 The Found New Hardware

Using USB with the Windows 2000 Operating System17If you are powering up the cable modem for the first time, allow 15 minutes for this process to fini

18CHAPTER 2: USB INSTALLATION11 Verify that you have selected 3Com HomeConnect Cable Modem then select Yes, I want to uninstall this device.12 Click N

Troubleshooting the USB Installation19 Power off the computer. Power cycle the computer by unplugging the computer from its electrical outlet and then

20CHAPTER 2: USB INSTALLATIONc In the Ethernet Adapter Information group area, click the drop down arrow and select 3Com HomeConnect Cable Modem.d Cli

Troubleshooting the USB Installation21d After the system releases the IP address, at the command prompt type ipconfig /renew and press the Enter key (

22CHAPTER 2: USB INSTALLATIONAll of the LEDs on the front of my modem look right, but I still cannot access the Internet. If the Power, Link Status LE

Troubleshooting the USB Installation23

24CHAPTER 2: USB INSTALLATION

3ETHERNET INSTALLATION Deciding Which Installation Process to UseThe 3Com® HomeConnect™ cable modem allows you to connect to the Internet using either

CONTENTS1BEFORE YOU BEGINIntroduction 1Cable Modem Features 1Contacting Your Local Cable Service Provider 2Preparing Your Workspace 3You Will Need The

26CHAPTER 3: ETHERNET INSTALLATIONConfiguring the TCP/IP Protocol on a Windows PCYou need to have an Ethernet network interface card (NIC) and the TCP

Setting Up the Computer to Use an Ethernet Connection27For the Windows 2000 Operating System1 Right-click the My Network Places icon on the Windows de

28CHAPTER 3: ETHERNET INSTALLATION2 Click Edit on the Finder (gray bar) at the top of the screen. Scroll down to the bottom of the menu and click User

Setting Up the Computer to Use an Ethernet Connection295 Click Options. Then click Active. In some cases, the Load only when needed check box does not

30CHAPTER 3: ETHERNET INSTALLATION8 Verify that there is a hardware address listed in the TCP/IP Info screen. If there is, click OK and close the TCP/

Setting Up the Computer to Use an Ethernet Connection31in the preceding instructions. If the computer still does not have a Hardware Address, please c

32CHAPTER 3: ETHERNET INSTALLATIONModem Operation” for a more in-depth description of the front panel LED indicators.4 Power on the computer. When ins

Troubleshooting the Ethernet Installation33cables so that the cable modem is connected directly to the cable wall jack. Then try reconnecting to your

34CHAPTER 3: ETHERNET INSTALLATIONe Click Renew to refresh the IP address. The refreshed address may or may not be the same as the original IP address

Troubleshooting the Ethernet Installation35e Exit the Command Prompt screen to return to the Windows desktop.The Cable Status LED never stops blinking

Connectors and Switches on the Back of the Cable Modem 415VIEWING THE CABLE MODEM’S CONFIGURATION6SUPPORT RESOURCESSupport Resources 47World Wide Web

36CHAPTER 3: ETHERNET INSTALLATIONThe power on my modem goes on and off sporadically. The Link Status light never stops blinking.You may be using the

Troubleshooting the Ethernet Installation37

38CHAPTER 3: ETHERNET INSTALLATION

4CABLE MODEM OPERATIONWhen the cable modem is properly installed and the power adapter is connected to AC power, the modem automatically scans for the

40CHAPTER 4: CABLE MODEM OPERATION Data Rate - Indicates data is being transmitted over the cable network. This LED should blink when data is being tr

Connectors and Switches on the Back of the Cable Modem41Connectors and Switches on the Back of the Cable Modem1Power Jack: This is where you plug in t

42CHAPTER 4: CABLE MODEM OPERATION

5VIEWING THE CABLE MODEM’S CONFIGURATIONYou can use the 3Com Web-based configuration software to configure the cable modem.NOTE: If you do not current

44CHAPTER 5: VIEWING THE CABLE MODEM’S CONFIGURATION Session Status: Click this option to launch the Cable Modem Status screen. This screen displays b

45 URL Change: Click this option to launch the Change Cable Modem URL screen. On this screen, you can change the URL that you use to access all of the

1BEFORE YOU BEGINIntroductionYou have just purchased a modem featuring a pioneering new technology, making Internet access possible at speeds previous

46CHAPTER 5: VIEWING THE CABLE MODEM’S CONFIGURATION

6SUPPORT RESOURCESSupport ResourcesIf you need help operating the cable modem, see “Troubleshooting the USB Installation” and “Troubleshooting the Eth

48CHAPTER 6: SUPPORT RESOURCES If your dealer cannot help you, contact 3Com Technical Support. When you call, specify the modem's serial number (

7REGULATORY INFORMATION AND LIMITED WARRANTYManufacturers Declaration of ConformityFCC Declaration of ConformityWe declare under our sole responsibili

50CHAPTER 7: REGULATORY INFORMATION AND LIMITED WARRANTYFCC Notice: Radio and Television InterferenceNote: This equipment has been tested and found to

UL/c UL Listing:51UL/c UL Listing:This Information Technology Equipment is UL and C-UL listed for both the US and Canadian markets respectively.Canadi

52CHAPTER 7: REGULATORY INFORMATION AND LIMITED WARRANTYINTERNATIONAL DECLARATION OF CONFORMITYElectromagnetic CompatibilityThis equipment was tested

Special Notes:53Special Notes:JapanPerformance SpecificationsThis equipment has a bit-error rate (BER) less than 10-8 when the signal-to-noise ratio (

54CHAPTER 7: REGULATORY INFORMATION AND LIMITED WARRANTYoutside of the U.S. or Canada. You agree that you will not export/re-export, either physically

3Com Corporation Limited Warranty55published specifications. Customer assumes responsibility for the selection of the appropriate applications progra

2CHAPTER 1: BEFORE YOU BEGINhard disk space; (2) applications running simultaneously with the modem which use varying amounts of your computer’s resou

56CHAPTER 7: REGULATORY INFORMATION AND LIMITED WARRANTYApril 1, 2000, or ninety (90) days after purchase of the product from 3Com or its authorized r

3Com Corporation Limited Warranty57WARRANTIES EXCLUSIVEIF A 3COM PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE, CUSTOMER'S SOLE REMEDY FOR BREACH O

58CHAPTER 7: REGULATORY INFORMATION AND LIMITED WARRANTYPRODUCTS, EVEN IF 3COM OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH

Preparing Your Workspace3be able to communicate with your cable service provider’s Internet access service. You should immediately consult your cable

4CHAPTER 1: BEFORE YOU BEGINCAUTION: Your cable service provider will provide a cable connection. Do not attempt any rewiring without first contacting

2USB INSTALLATION Deciding Which Installation Process to UseThe 3Com® HomeConnect™ cable modem allows you to connect to the Internet using either the