3Com 10/100BASE-T4 RJ-45 Connector Pin Assignments

A-6 APPENDIX A: CABLING

RJ-45 Connector Pin Assignments

Figure A-1 shows the RJ-45 connector pin assignments.

Figure A-1 RJ-45 Connector Pin Assignments

12345678

BI_DI4–(8)

BI_DI4+(7)

RD–(6)

BI_DI3–(5)

BI_DI3+(4)

RD+(3)

TD–(2)

TD+(1)

Contents

Main 3Com Corporation 95052-8145 Santa Clara, California 5400 Bayfront Plaza L ARRANTY W Page C ONTENTS 4 A B C D F IGURES T ABLES A How to Use This Guide Introduction UIDE Conventions The following tables list text and icon conventions that are used throughout this guide: 1 Page Adapter Features PCI Technology 2 Inspecting the Adapter Installing the Boot PROM Installing the Adapter Connecting to the Network Page Page 3 D Summary of Driver Loading Procedures Using the EtherDisk Diskette Accessing DOS Using Windows 95 Page The next dialog box conrms that the adapter is working properly. Using NetWare ODI One Adapter in a Client Page Using NetWare ODI 3-7 Figure 3-1 AutoLink Information Screen Figure 3-2 Main Menu MAIN MENU Multiple Adapters in a Client Page Page One or More Adapters in a Server Loading NDIS Drivers Updating NDIS Drivers Auto Select Media Type Transcend PC Link SmartAgent Driver Agents Desktop Management Interface 4 TROUBLESHOOTING AND D IAGNOSTIC T Troubleshooting with the Diagnostic Tests Before Running the Tests Types of Tests Starting the Diagnostic Program Running the Group 1 Tests Running the Group 3 Test Page Page Getting Help If a Test Fails Page Changing the Test Setup Miscellaneous Checks LEDs A Adapter Cabling Requirements Twisted-Pair Cable 10BASE-T Operation 10BASE-T Specications 100BASE-T Standard 100BASE-TX Operation 100BASE-T4 Operation 100BASE-FX Operation A-6 APPENDIX A: CABLING RJ-45 Connector Pin Assignments Figure A-1 shows the RJ-45 connector pin assignments. Figure A-1 RJ-45 Connector Pin Assignments B S Changing Software Settings Page Page Page C Adapter Specications Power Requirements Network Interface Physical Dimensions Environmental Operating Range D On-line Technical Services 3Com Bulletin Board Service World Wide Web Site 3ComForum on CompuServe 3ComFacts Automated Fax Service Support from Your Network Supplier Returning Products for Repair G Page Page Page Page I Numerics A B C D E F G H O P Q R S W