3Com 2000 TR manual 2TR-in-FE Module Jumper Settings

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3-6CHAPTER 3: INSTALLING AND SETTING UP THE MODULE

hCheck that your cable meets Fast Ethernet speciﬁ- cations. See Appendix C.

iReplace the cable, and check the Link Status LED again.

jContact 3Com Technical Support; see “Support from 3Com”, in Appendix D.

Jumper Settings

The Module can be easily damaged by electrostatic discharge. Before handling the module, please observe safety and electrostatic discharge precau- tions.

You can conﬁgure the TR-in-FE module to operate as MDI (default) or MDIX. Follow the rules and proce- dure below. See Figure 3-2.

■MDI—If TR-in-FE module is connected to another switch with an MDIX port.

■MDIX—IIf TR-in-FE module is connected to an end- station or server.

The MDIX setting provides a crossover, the MDI set- ting does not.

A crossover cable can be used to connect two MDI or two MDIX ports together.

LK1

MDIX

Port configured as MDI (default)

Port configured as MDIX

Figure 3-2TR-in-FE Module Jumper Settings

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Contents For SuperStack II Switch 2000 TR For units of the Department of Defense For civilian agenciesAbout this Guide 3COM Corporation Limited Warranty About this Guide IntroductionTerminology Finding Information in this Guide ConventionsAbout the SuperStack II Switch 2000 TR TR-in-FE Module OverviewTR-in-FE Beneﬁts Summary of TR-in-FE Module Features HardwareSoftware 4CHAPTER 1 Overview What is Token Ring-in-Fast Ethernet TR-in-FE? TR-IN-FE ConceptsTR-in-FE Compared to Traditional Methods 3Com Token Ring-in-Fast Ethernet SystemToken Ring-in-Fast Ethernet Module How TR-in-FE Works How TR-in-FE WorksPower IIRedundant SuperStack Tunneling RequirementsToken Ring Frames 4Token Ring-in-Fast Ethernet Frame What is a Vlan Virtual LANs VlansAdvantages of Vlan Port-Based Distribution8CHAPTER 2 TR-IN-FE Concepts Installing and Setting UP the Module Following Safety InformationPre-installation Procedure Installation Post-Installation Checks LED SummaryChecking the Power Supply Checking that the TR-in-FE Module is Installed Correctly Checking the Physical ConnectionsJumper Settings 2TR-in-FE Module Jumper SettingsAccessing Management Features VT100 ConsoleChoice Field Entry FieldButton List BoxesKey Board Shortcuts Correcting Text EntriesDefault Users Default Name Password Access LevelConsole Menu Map 1VT100 Console Menu Map with I/O Module Detail Switch 2000 TR banner LCD ConsoleUser Name Default Access Level Password Logging OnLogging Off Automatic Logout8CHAPTER 4 Accessing Management Features Configuring the TR-IN-FE Module TR-in-FE Module Conﬁguration MapSetting Up a Module 2I/O Module Screen ConfigBridge Parameters Spanning TreeSource Routing Setting Up a Vlan TR Vlan Info Setup ScreenTR Vlan Setup Screen Scroll the Vlan list using the Up and Down keys Monitoring the TR-IN-FE Module TR-in-FE Module Statistics MapStatistics Overview 2TR Port Statistics ScreenPort Statistics Trafﬁc 3Sample TR Port Statistics Trafﬁc ScreenClearing Screen Counters Jam CountsImportant Safety Information ’information de Sécurité ImportanteWichtige Sicherheitsinformationen Screen Access Rights Screen Access level required2APPENDIX B Screen Access Rights TR-IN-FE Module Technical Specifications Environmental SpeciﬁcationsTR-in-FE Cable Speciﬁcation Does the Cable Provide Sufﬁcient Bandwidth? ExampleCore mm Cladding mm Numerical Aperture TR-in-FE Cable Speciﬁcation 4APPENDIX C TR-IN-FE Module Technical Specifications Online Technical Services 3Com Bulletin Board ServiceTechnical Support World Wide Web Site3ComFacts Automated Fax Service Support from Your Network Supplier3ComForum on CompuServe Country Telephone NumberSupport from 3Com Returning Products for RepairCountry Telephone Number Fax Number 4APPENDIX D Technical Support Numbers Page 3Com Corporation Limited Warranty HardwareGoverning LAW