Fast Ethernet Network Interface Card User Guide
 Lifetime Limited Warranty
 Sweden, Finland, Norway
Asia Italy, Greece, Spain, Portugal, Malta
Australia, New Zealand Japan
Belgium, Netherlands, Luxembourg Denmark
 Member of the 3Com OfficeConnect family
 3Com Corporation 5400 Bayfront Plaza Santa Clara, California
 Contents
 Configuring the NIC
 Technical Support
Page
 Figures
 Tables
 Conventions
Icon Description
 Year 2000 Compliance
Convention Description
 What This Guide Covers
What This Chapter Covers
 Understanding Networking
Sample Network Computer 1Computer Printer
 Peer-to-Peer Networks
 Client/Server Networks
Ethernet and Fast Ethernet Networking Protocols
 Understanding Network Interface Cards
About the OfficeConnect NIC
 Required Cabling
Required Hardware
Required Software
 Preparing for Installation
Type Maximum Network Cable Required Cable Length
 Inserting the NIC
See your PC documentation for details
 Do not turn on the power to the PC
 Connecting the NIC to Your Network
Connecting the Network Cable to the NIC RJ-45 port
 Next step is to install the network driver. Go to Chapter
Page
 Windows
Right-click the My Computer icon, and then click Properties
 Turn on the power to the PC
Windows 95 Version a
 You must reboot your PC to complete the installation
Click OK
 Enter your user name and password, and then click OK
Windows 95 Version B
 Click Finish
 To install the network driver in a PC running Windows
 Click Yes to restart the PC
 Windows NT
Windows NT
 Click Add Adapter
 Windows 95 and Windows
Verifying Successful Installation
Remove the EtherDisk diskette from drive a
 Double-clickNetwork adapters
 Double-click the File Manager icon
 Troubleshooting
Basic Troubleshooting Tips
 Interpreting the LEDs
State Meaning
 Starting the 3Com NIC Diagnostics Program
Double-click the 3Com icon in the Windows system tray
 Click Cancel to exit the 3Com NIC Diagnostics program
General Screen
 Click the Diagnostics tab
Running the NIC Self-Tests
 Running the Echo Test
Click Start in the Self-Test panel
 On both PCs
On the first PC the sending PC
 Echo Test Sender Screen
 Accessing the Help System
From the Windows Start menu, select Programs
 Accessing 3Com Support Services
Click OK Click the Support tab. The Support screen appears
 Click OK Click the Support tab
Support Screen
 Removing NIC Software
Click the Device Manager tab
 Click Yes
 Frequently Asked Questions
Question Answer
 Question Answer
Page
 Normal
Option Description Available Settings
Auto Select
 Displaying Configuration Settings
 Click NIC Details
 Click OK to exit this screen
Changing Configuration Settings
Click OK Click the Properties tab
 Change the NIC’s configuration
Page
 Specifications
Cabling Requirements
 10BASE-T Operation
Unshielded Twisted-Pair Cable
Category Use
 100BASE-TX Operation
10BASE-T Specifications
100BASE-TX Specifications
Page
 World Wide Web Site
Online Technical Services
3Com FTP Site
 Access by Digital Modem
3Com Bulletin Board Service
Access by Analog Modem
847 262
 Support from 3Com
3ComFacts Automated Fax Service
Support from Your Network Supplier
408 727
 Country Telephone Number Asia Pacific Rim
Europe
 North America
Returning Products for Repair
Country Telephone Number Latin America
Country Telephone Number Fax Number
 Latin America 408 326 A. and Canada 800 NET 3Com 800 638
 Client/server network
Bus mastering
Ethernet
 Half-duplex
Fast Ethernet
Full-duplex
Hub
 Server
Switch
Peer-to-peer network
Unshielded twisted pair UTP cabling
Page
 Index
Numbers
 NIC
 Index
Page
 3Com Corporation Limited Warranty
 FCC Class B Statement
 FCC Declaration of Conformity