3com 8R-002700-00 Getting Started Manual

®

http://www.3com.com/

HomeConnect

TM

Cable

Modem TMI

Getting Started Guide

Part No. 1.024.2398-00

Published February 2000

3Com Corporation

3800 Golf Rd.

Rolling Meadows, IL

60008

in any form or by any means or used to make any derivative work (such as translation, transformation, or

adaptation) without written permission from 3Com Corporation.

3Com Corporation reserves the right to revise this documentation and to make changes in content from time

to time without obligation on the part of 3Com Corporation to provide notification of such revision or change.

3Com Corporation provides this documentation without warranty, term, or condition of any kind, either

implied or expressed, including, but not limited to, the implied warranties, terms or conditions of

merchantability, satisfactory quality, and fitness for a particular purpose. 3Com may make improvements or

changes in the product(s) and/or the program(s) described in this documentation at any time.

If there is any software on removable media described in this documentation, it is furnished under a license

agreement included with the product as a separate document, in the hard copy documentation, or on the

removable media in a directory file named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy,

please contact 3Com and a copy will be provided to you.

UNITED STATES GOVERNMENT LEGEND

If you are a United States government agency, then this documentation and the software described herein are

provided to you subject to the following:

All technical data and computer software are commercial in nature and developed solely at private expense.

Software is delivered as “Commercial Computer Software” as defined in DFARS 252.227-7014 (June 1995) or

as a “commercial item” as defined in FAR 2.101(a) and as such is provided with only such rights as are

provided in 3Com’s standard commercial license for the Software. Technical data is provided with limited rights

only as provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is applicable.

You agree not to remove or deface any portion of any legend provided on any licensed program or

documentation contained in, or delivered to you in conjunction with, this Getting Started Guide.

Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not

be registered in other countries.

3Com, the 3Com logo, and EtherLink are registered trademarks and HomeConnect is a trademark of

3Com Corporation.

Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation.

All other company and product names may be trademarks of the respective companies with which they are

associated.

C

ONTENTS

1

B

EFORE

Y

OU

B

EGIN

Introduction 1-1

Conventions 1-1

Cable Modem Features 1-2

Contacting Your Local Cable Company 1-2

Preparing Your Workspace 1-3

You Will Need These Items 1-4

Included 1-4

You will also need the following 1-4

Determining Your Version of Windows 1-5

2

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ABLE

M

ODEM

H

ARDWARE

I

NSTALLATION

3

C

ABLE

M

ODEM

S

OFTWARE

I

NSTALLATION

Plug and Play Modem Detection 3-1

Windows 950 or 950a 3-1

Windows 950b 3-2

Windows 98 3-2

Installing Modem Drivers with Windows 95 Versions 950 and 950a 3-2

Installing Modem Drivers with Windows 95 Version 950b 3-4

Installing Modem Drivers with Windows 98 3-5

Installing Modem Drivers with Windows NT 4.0 3-8

Installing the Cable Modem Connection Center (CMCC) Software 3-12

4

M

AKING

Y

OUR

F

IRST

C

ONNECTION

Configuring The Cable Modem Connection Center Software 4-1

5

C

ABLE

M

ODEM

C

ONNECTION

C

ENTER

F

EATURES

Overview 5-1

Main Panel Toolbar 5-1

Connect 5-1

Hang Up 5-2

Session Status 5-2

Status Message Viewer 5-2

Help 5-3

Main Panel Menu Options 5-3

The File Menu 5-3

Diagnostics 5-3

Rescan Channels 5-3

Tune Frequency 5-3

Enroll 5-3

Connect 5-4

Hang Up 5-4

Exit 5-4

The View Menu 5-4

Status Message Viewer 5-4

Dial-Up Parameters 5-4

Session Status 5-4

Cable Modem Configuration 5-4

The Options Menu 5-4

Preferences 5-4

The Help Menu 5-5

6

U

NINSTALLING

THE

C

ABLE

M

ODEM

Uninstalling the CMCC Software 6-1

Uninstalling the Cable Modem 6-2

Removing the Cable Modem 6-3

7

T

ROUBLESHOOTING

AND

S

UPPORT

R

ESOURCES

Troubleshooting 7-1

My computer went into "power save" mode. When it came out of power

save mode, my screen was frozen. 7-1

My cable modem scans for an active channel, pauses on an active

channel, but instead of locking on to it, continues to scan for active

channels. 7-1

I installed the cable modem, but it does not work. 7-1

My cable modem scans for an active channel, but never locks on to an

active channel. 7-2

I see a "Registration failed" dialog box several minutes after clicking the

Dial button in CMCC. 7-2

During registration, I receive a "<TFTP Error> code =4, timeout"

message. 7-3

My cable modem does not dial my cable company's server

properly. 7-3

I installed my cable modem using Windows 95. I have since upgraded to

Windows 98 and now the cable modem doesn't work. 7-4

I have Windows 95 and Dial Up Networking installed. When I launch the

Cable Modem Connection Center I get an error message reading "More

than one DialUp Adapters are installed". 7-4

I have Windows 98 Second Edition (SE). Internet Connection Sharing is

enabled. Sometimes my system won't boot, or when I launch CMCC it

reboots Windows, or I get an error that reads "An error occurred

attempting to load Bicdd32.dll". 7-4

When I click the Dial button in CMCC, I get a message reading “The IP

address of the Cable Modem Termination System (CMTS) is not valid.

Please contact your cable operator.” 7-5

When I try to launch CMCC, I get a message reading “Dial-Up Adapter

was not installed”. 7-5

I re-installed CMCC. When the software ran its diagnostic tests after

installation, it reported a failure, alerting me that it was missing required

components. 7-5

Plug and Play did not detect my modem. 7-6

How do I free an IRQ for use by the cable modem? 7-6

Support Resources 7-6

World Wide Web 7-6

3Com Knowledgebase 7-7

Internet FTP 7-7

3Com BBS 7-7

E-mail Support 7-7

90-Day Free Installation Support 7-7

Technical Support Hotline 7-7

Are You Still Having Problems? 7-7

If You Need to Return the Modem to Us 7-8

8

R

EGULATORY

I

NFORMATION

AND

L

IMITED

W

ARRANTY

Manufacturer's Declaration of Conformity 8-1

FCC Class B Statement 8-1

FCC Notice: Radio and Television Interference 8-1

UL/CUL Listing 8-2

Canadian Notice 8-2

Warranty and Repair Service for Canadian Modem Users 8-3

International Declaration of Conformity 8-4

Electromagnetic Compatibility 8-4

VCCI Class B 8-4

Safety (Low Voltage Directive) 8-4

Limited Warranty 8-4

Hardware 8-5

Software 8-5

Year 2000 Warranty 8-6

Obtaining Warranty Service 8-6

Dead- or Defective-on-Arrival 8-7

Warranties Exclusive 8-7

Limitation of Liability 8-8

Disclaimer 8-8

Governing Law 8-8

A

I

NSTALLING

N

ETWORKING

C

OMPONENTS

Dial-Up Networking A-1

TCP/IP A-2

SNMP Agent A-4

1

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EFORE

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Introduction

Congratulations! You have just purchased a modem which features a

pioneering new technology. 3Com, the leader in networking and data

access, is proud to offer you this technology that makes Internet access

possible at speeds previously only imagined!

This internal cable modem is one part of a comprehensive

communications system that utilizes the cable television network to

deliver high-speed data to your computer. Data is requested via your

phone line and sent from the Internet via the cable network to your

computer at burst rates of up to 38 Mbps*!

* Actual speeds will vary depending on computer hardware, applications,

service offered by your Broadband Service Provider, and network traffic.

NOTE: If the information in the release notes shipped with your product

differs from the information in this guide, follow the instructions in the

release notes.

Conventions

The following table lists the conventions used within this manual.

Icon Notice Type Description

Information note Important features or instructions

Caution Information to alert you to potential damage to a

program, system, or device

Warning Information to alert you to potential personal injury

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Cable Modem

Features

■

DOCSIS compatibility ensures interoperability with cable operators.

■

You can achieve data transfer burst rates up to 38 Mbps.

■

Local and remote diagnostic capabilities ensure troubleshooting ease.

■

The modem’s design allows for easy software updates.

■

3Com’s extensive end-user technical support provides quick solutions

to your problems.

Contacting Your

Local Cable

Company

In order to use your cable modem, you need to establish an Internet

access account with your local cable company. Before contacting your

cable company to establish an account, have the following information

handy:

■

The modem’s Media Access Control (MAC) address, which is located

on a bar code sticker on the modem (see the following image). The

MAC address is a 12-character number beginning with 00C049. Write

the MAC address in the blank provided here:

MAC address:

00C049__________

■

The modem’s model number. The modem’s model number is located

on the circuit board itself and begins with 1.012 (see the following

image). Write the model number in the blank provided here:

Model number:

_____________

Preparing Your Workspace

1-3

You should now contact your local cable company and verify the

following:

■

The cable service to your home should support one-way (or “telco

return”) cable modem access. If your cable company does not provide

one-way service, the 3Com HomeConnect Cable Modem will not be

able to communicate with your cable company’s Internet access

service. You should immediately consult your cable company and

place of purchase to determine the proper 3Com cable modem to use.

You can also visit the following URL for additional information:

http://www.3com.com/cablemodem

■

Your cable provider should set up your cable Internet access account.

Your cable provider will setup an Internet access account that will

allow you to send and receive e-mail, access the World Wide Web,

and receive other Internet services. This account must be setup before

you can use your cable modem.

■

Your cable company may also provide you with a login name and

password for your cable modem Internet access account. Write these

in the blanks below for future reference:

Login name:

______________________

Password:

______________________

Preparing Your

Workspace

■

Position your computer so that it is located near the cable access

outlet and a telephone wall jack.

■

Familiarize yourself with all of the materials in this box.

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■

Please read these installation instructions thoroughly before installing

your cable modem.

■

If you use your current cable line for cable television access, your cable

company can also install an additional line for use with your cable

modem.

CAUTION: Your cable company will provide a cable connection. Do not

attempt any rewiring without first contacting your cable company.

You Will Need

These Items

Included

■

Cable modem

■

Cable

Connections

TM

CD-ROM

■

This

Guide

You will also need

the following

■

A PC running the Windows 95, Windows 98, or Windows NT 4.0

operating system or higher with these minimum requirements:

■

Pentium 133MHz (or higher) processor

■

At least 16 MB of RAM

■

At least 5 MB of free hard disk space

■

An available PCI expansion slot

■

An analog modem

■

Windows installation CD-ROM

NOTE: If you do not have a Windows installation CD-ROM, you may be

able to find the required files on your hard drive. Use the path

c:\windows\options\cabs

or

c:\win95

(where "c" is the letter for your hard

drive) instead of the CD-ROM path referred to in these instructions where

applicable. If this path does not work, you will need to contact the vendor

who supplied your copy of Windows to obtain a Windows installation

CD-ROM.

■

Active cable line

■

POTS (Plain Old Telephone Service) phone line. This is the standard

telephone line found in most homes. It is important NOT to use a

digital phone line. If you are unsure which type of phone line you

have, contact your local telephone company.

Determining Your Version of Windows

1-5

■

A screwdriver (for opening your PC and installing the modem card)

■

If you are using the Windows NT 4.0 operating system, you will also

need Service Pack 4.0, 5.0, or 6.0 installed.

Determining Your

Version of

Windows

If your computer is running a Microsoft

®

Windows

®

operating system,

you will need to know which version of Windows you are using.

1

Right-click the

My Computer

icon on your desktop.

2

Click

Properties

. In the "System Properties" screen, look at the system

information under the “General” tab (the information for a Windows 95

version 950 machine is shown circled in the following screen image). The

number following the text "Microsoft Windows" may be any of the

following:

■

95

(followed by a number ending "950", "950a", or "950b",

depending on the build of Windows 95 you have installed)

■

98

■

NT 4.00

(Windows NT4.0 with Service Pack 4.0 or 6.0 is the only

version of Windows NT supported by this product)

Write this number in the blank below for later reference. Then click

OK

.

Windows version _________________

You are now ready to move on to the next chapter and install your cable

modem hardware.

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NOTE: Before installing your modem, write its 16-digit serial number in

the space provided here (you’ll find the serial number underneath the bar

code on the white sticker on the modem and on the outside of the box):

_____________________

If you ever need to call our customer support department, a customer

support representative will ask you for the serial number. This will help

him or her identify your modem.

1

Turn off your computer and unplug it from the electrical outlet.

2

Unplug any peripheral devices (printer, monitor, keyboard, mouse, etc.)

from the computer.

TIP: Before you unplug any cords, label them or make a sketch of how

they are connected. This can be helpful when you plug them back in

later.

CAUTION: To avoid risk of electric shock, make sure your computer and

all peripheral devices are turned off and unplugged from electrical

outlets.

3

Remove the screws from your computer’s cover and then remove the

cover. Refer to the computer manufacturer’s manual for further

instructions.

4

Find an empty PCI expansion slot. (PCI slots are 3.5 inches long and are

typically white plastic grooves lined with silver metal. ISA slots are longer

than PCI slots and are typically black plastic grooves lined with silver

metal.) Unscrew (or snap out) and remove the expansion slot cover (the

long narrow piece of metal that keeps dust from entering through the

opening perpendicular to the slot). Store the slot cover in a safe place in

case you ever need to remove the modem.

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5

Holding the modem at each corner, with the gold edge facing the slot,

push the modem down until it snaps into the expansion slot. The

following diagram shows horizontally aligned expansion slots. Some

computers have vertically aligned slots. These instructions apply to both

styles. You will need to apply some pressure to seat the modem properly.

Sometimes a gentle back-and-forth motion helps fit the modem all the

way into the slot. If you feel resistance, the modem may not be properly

lined up with the slot. Do not force it into the slot. Remove the modem

and try again.

6

Once the modem is in the slot, fasten the modem firmly into place using

the screw that you removed in step 4. If you had to snap out your

expansion slot cover, you will need to obtain a standard slot screw.

7

Replace the computer cover. Fasten it with the screws removed in step 3.

8

Connect your cable line to the cable modem’s coaxial cable connector. Be

careful not to bend the center wire inside the end of the connector.

9

You need a separate analog modem in order to use this cable modem.

Make sure your analog modem is properly installed and that it is

connected to an analog phone jack. The analog modem can be internal

or external. See the analog modem’s documentation for assistance.

10

Plug the power cords, cables, and peripherals back into the computer and

turn on the computer.

NOTE: Your computer’s three-pronged power cable should be plugged

into a properly grounded three-pronged outlet.

3

C

ABLE

M

ODEM

S

OFTWARE

I

NSTALLATION

Plug and Play

Modem Detection

NOTE: This guide uses "A" as the letter for the 3.5-inch diskette drive and

"D" as the letter for the CD-ROM drive. Your computer may use different

letters for these drives.

NOTE: If you are installing this modem on a Windows NT 4.0 system, your

cable modem cannot be installed via Plug and Play. Turn to the chapter

entitled "Installing Modem Drivers with Windows NT 4.0".

When your Windows desktop appears, you will see one of these screens.

Windows 950 or 950a

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Windows 950b

Windows 98

Windows has detected the modem. If the first screen appears, turn to

"Installing Modem Drivers with Windows 95 Versions 950 and 950a”. If

the second screen appears, turn to "Installing Modem Drivers with

Windows 95 Version 950b". If the third screen appears, turn to

"Installing Cable Modem Drivers with Windows 98". If none of these

screens appears, turn to "If Plug and Play Does Not Detect Your Modem".

Installing Modem

Drivers with

Windows 95

Versions 950 and

950a

NOTE: If you plan to upgrade Windows 95 to Windows 98 in the near

future, you may want to upgrade before installing your new Cable

Modem TMI. If you install the Cable Modem now and then upgrade to

Windows 98, the modem may be disabled once the upgrade is complete.

Installing Modem Drivers with Windows 95 Versions 950 and 950a

3-3

In that case, you will need to uninstall the Cable Modem and re-install it

using the Windows 98 installation instructions in this guide.

1

When Windows detects the cable modem, click “Driver from disk

provided by hardware manufacturer”. Then click

OK

.

2

When you see the "Install From Disk" dialog box, insert the Cable

Connections

TM

CD-ROM into your CD-ROM drive and type

D:\

, where

"D" is the letter of your CD-ROM drive. If your CD-ROM drive uses a

letter name other than "D", type that letter in place of "D". Click

OK

.

3

When the "Select Device" screen appears, click to highlight "3Com

HomeConnect Cable Modem TMI" and then click

OK

. Windows will copy

the necessary files from the Cable

Connections

CD.

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4

Turn to "Installing the Cable Modem Connection Center (CMCC)

Software".

Installing Modem

Drivers with

Windows 95

Version 950b

NOTE: If you plan to upgrade Windows 95 to Windows 98 in the near

future, you may want to upgrade before installing your new Cable

Modem TMI. If you install the Cable Modem now and then upgrade to

Windows 98, the modem may be disabled once the upgrade is complete.

In that case, you will need to uninstall the Cable Modem and re-install it

using the Windows 98 installation instructions in this guide.

1

When Windows detects the cable modem, insert the Cable

Connections

CD-ROM into your CD-ROM drive. Click

OK

.

2

Windows 95 may ask for the file Cm29xndi.dll (located on the CD-ROM).

If so, type

D:\

(where "D" is the letter of your CD-ROM drive) and then

Installing Modem Drivers with Windows 98

3-5

press

Enter

. Windows will copy the necessary files from the Cable

Connections

CD.

3

Turn to "Installing the Cable Modem Connection Center (CMCC)

Software".

Installing Modem

Drivers with

Windows 98

1

When Windows detects the cable modem, insert the Cable

Connections

CD-ROM into your CD-ROM drive. Click

2

Make sure the "Search for the best driver for your device" option is

checked. Then click

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3

When you see the following screen, make sure “CD-ROM drive” is

checked. Then click

4

The next screen tells you that Windows has found the driver for your

modem. Click

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