3Com Server RJ-45 Connector Pin Assignments, Figure A-1 shows the RJ-45 connector pin assignments

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A-2APPENDIX A: SPECIFICATIONS

RJ-45 Connector Pin Assignments

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

The 3C395 NIC only uses connections 1, 2, 3, and 6.

The bidirectional connections (4, 5, 7, and 8) are not used.

	TX
	TX
L	ACT
N	10
K	100

8BI_DI4

7BI_DI4+

6RD

5BI_DI3

4BI_D13+

3RD+

2TD

1TD+

Figure A-13C395 NIC RJ-45 Connector Pin Assignments

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Contents Part No -1128-000 Published February 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Configuration Figures Text Conventions Installation Requirements TablesLifetime Limited Warranty Asia Italy, Greece, Spain, Portugal, Malta Australia, New Zealand JapanSweden, Finland, Norway Belgium, Netherlands, LuxembourgAbout this Guide ConventionsIcon Description Related Documentation Convention DescriptionIntroduction 1Basic TR-in-FE System2Larger-Scale TR-in-FE System Hardware Installation Safety PrecautionsInstallation Requirements Installation InstructionsUnpack and inspect the NIC Remove the computer cover Insert the 3C395 NIC in a PCI slot2Connecting the Cable Turn on the PC and check the NIC LEDsBefore You Install Software Before You Install SoftwarePage Installing the NetWare Server Driver Obtaining the Latest DriversNetWare At the console prompt, enterInstalling the Windows NT Driver Windows NTAt the following prompts, make these selections 4CHAPTER 3 Software Installation Troubleshooting LEDsColor Flashing Steady Off DOS Diagnostic Tests About the Conﬁguration and Diagnostic ProgramTest Description Boot the PC under DOS Running Group 1 TestsFrom the Test menu, select Run Tests To start the tests, press EnterRunning the Group 3 Test Changing the Test Setup Getting Help If a Test FailsFurther Testing Symptom TipSymptom Tip Page Configuration Option Description Default Available SettingsChanging Conﬁguration Settings From the Install menu, select a NIC as followsSelect options and select settings To save settings, select OK When all changes are complete, exit the programChanging the Windows NT Registry Page Specifications RJ-45 Connector Pin Assignments Figure A-1 shows the RJ-45 connector pin assignmentsOnline Technical Services 3Com Bulletin Board ServiceWorld Wide Web Site 3ComFacts Automated Fax Service Access by Analog ModemAccess by Digital Modem 408 6543ComForum on CompuServe Online Service Support from Your Network SupplierLog on to your CompuServe account Press Return to see the 3ComForum main menuSupport from 3Com Regional Sales Office Telephone Number 3Com GmbH 3Com Iberia3Com Latin America 3Com MediterraneoReturning Products for Repair Country Telephone Number Fax NumberIndex NumbersURL B-1 3Com Corporation Limited Warranty FCC Class B Statement FCC Declaration of Conformity