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3Com 5112M-TPLS installation and operation guide How to Use This Guide, Audience

Models: 5112M-TPLS

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How to Use This Guide

This guide tells you how to install and operate the 3Com ONline™ 10BASE-T Security Module (referred throughout this guide as the Security Module) for the ONline System Concentrator. A configuration section is provided to help you plan your network configuration. This guide also includes information on monitoring the module using an ONline network management module. An appendix explains cabling guidelines and options for this module.

Audience

This guide is intended for the following people at your site:

❑Network manager or administrator

❑Hardware installer

ONline 10BASE-T Security Module Installation and Operation Guide xiii

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3Com 5112M-TPLS How to Use This Guide, Audience, ONline 10BASE-T Security Module Installation and Operation Guide

Contents

Document Number Printed February Model Number 5112M-TPLS ONline 10BASE-T Security Module Installation and Operation Guide3Com Corporation 118 Turnpike Road Southborough, MA U.S.A 508 FAX 508 Federal Communications Commission Notice ii ONline 10BASE-T Security Module Installation and Operation GuideCanadian Emissions Requirements VDE Class B ComplianceRestricted Rights ONline 10BASE-T Security Module Installation and Operation Guideiv ONline 10BASE-T Security Module Installation and Operation Guide Chapter 1 - Introduction How to Use This GuideChapter 2 - Designing and Expanding the Network ContentsChapter 4 - Configuring Security Features Chapter 3 - Installing and Operating the Modulevi ONline 10BASE-T Security Module Installation and Operation Guide Precautionary Procedures Quick Installation ChartAppendix A - Specifications Chapter 5 - TroubleshootingONline 10BASE-T Security Module Installation and Operation Guide Appendix B - Technical Support viii ONline 10BASE-T Security Module Installation and Operation GuideIndex ONline 10BASE-T Security Module Installation and Operation Guide Figuresx ONline 10BASE-T Security Module Installation and Operation Guide ONline 10BASE-T Security Module Installation and Operation Guide TablesPage Audience How to Use This GuideONline 10BASE-T Security Module Installation and Operation Guide Structure of This Guide xiv ONline 10BASE-T Security Module Installation and Operation GuideConvention Document ConventionsIndicates ExampleRelated Documents xvi ONline 10BASE-T Security Module Installation and Operation GuideA Caution. A A Warning. A3Com Documents 6-Slot ONline System Concentrator Installation and OperationReference Documents ONline 10BASE-T Security Module Installation and Operation GuidePage The ONline 10BASE-T Security Module 1 IntroductionIntroduction 1 Application Theory of OperationFigure 1-1. ONline 10BASE-T Security Module Application ONline ManagementIntroduction 1 Page 2 Designing and Expanding the Network Designing and Expanding the Network 2Basic Network Rules Understanding the General RulesDefinition RuleRecommendations/Notes Table 2-1. Seven Basic Network Rulesevery microsecond delay shrinks the Many LAN products delay the signalTable 2-1. Seven Basic Network Rules Continued RuleDefinition RuleRecommendations/Notes The fiber link distancesLAN Product LAN EquivalenceEquivalent Fiber Table 2-2. LAN Product Equivalent DistancesTable 2-2. LAN Product Equivalent Distances Continued Fiber Backbone, Twisted Pair To-The-DeskLAN Product Equivalent FiberFiber Backbone, Twisted Pair To-The-Desk Example Designing and Expanding the Network 2 Figure 2-1. Sample Configuration Distance CalculationCable Gauge Twisted Pair Backbone, Twisted Pair To-The-DeskSupports Link Distances Up To Table 2-3. Maximum Link Distance on Twisted PairFigure 2-2. Unshielded Twisted Pair Network Patch PanelsDesigning and Expanding the Network 2 Figure 2-3. Redundant Twisted Pair Configuration Redundant LinksDesigning and Expanding the Network 2 To set link redundancy between two Security ModulesPage Installing and Operating the Module 3 3 Installing and Operating the ModuleQuick Installation Chart Precautionary ProceduresProcedure Unpacking ProceduresConfiguring the Module Installing the ModuleLED and Network VerificationUnpacking Procedures Figure 3-1. Security Module Dip Switch SW1 Location Setting the Dip SwitchInstalling and Operating the Module 3 Switch Settings SwitchNetwork Selection Table 3-2. DIP Switch SW1 Network Selection SettingsFunction SettingFactory Off OnInstalling the Cable Tie-Wrap Kit Installing the ModuleInstalling and Operating the Module 3 To install the tie-wrap kitFigure 3-2. Attaching the Tie-Wrap Bracket to the Module 3. Insert the tie-wrap through the opening on the tie-wrap bracketCaution Do not fasten the tie-wrap around the module ejectors Figure 3-3. Attaching Cables With 90 ConnectorsFigure 3-4. Installing an ONline 10BASE-T Security Module Installing the ModuleInstalling and Operating the Module 3 Figure 3-5. ONline 10BASE-T Security Module Cable Connection Installing and Operating the Module 3 Configuring the ModuleNetwork Assignment Port EnablePort Redundancy ONline set port 3.all mode enable ENTERModule Security Link IntegrityInstalling and Operating the Module 3 ONline set port 5.all linkintegrity enable ENTERReverting Module Configurations Saving Module ConfigurationsAutopartition Threshold Installing and Operating the Module 3 Showing Module ConfigurationsMonitoring the Front Panel Figure 3-6. Security Module Faceplate Installing and Operating the Module 3State ColorName Table 3-4. Interpretation of the Security Module LEDsLED and Network Verification Network ConfigurationLED State Installing and Operating the Module 3Page Configuring Security Features 4 4 Configuring Security FeaturesCommand Quick Reference for Configuring SecurityTable 4-1. Quick Reference for Configuring the Security Module ProcedureCommand ProcedureConfiguring Security Features 4. Initiate Autolearning toEavesdropping Security Configuring Security FeaturesConfiguring Security Features 4 Intrusion DetectionFigure 4-1. Example of Eavesdropping Security Figure 4-2. Example of Intrusion Detection Defining Port Security TypeConfiguring Security Features Defining Port Action on IntrusionEnabling Ports Configuring Autolearning MaskONline set security autolearn 3.all mask disable ENTER Configuring Security Features 4 Configuring Autolearning6. Upon completion of Autolearning, the following message is displayed Configuring Security Features 4 Defining a MAC Address ManuallyONline set security port 3.1 macaddress 08-54-6f-01-32-08 ENTER ONline set security autolearn 3.1 macaddress 08-54-6f-01-32-08 ENTERONline set security autolearn 3.1 download ENTER Downloading the Autolearning DatabaseNote overwriting existing addresses in the Security database Autolearn download done downloaded y addresses totalConfiguring Security Features 4 Configuring Security ModeSaving Security Configurations Showing Security ConfigurationsReverting Security Configurations Configuring Security Features 4 Showing Port ConfigurationsPage Configuring Security Features 4 Showing Security AutolearnShowing Security Intruder List Clearing the MAC Address Table Clearing Security ConfigurationsConfiguring Security Features 4 Clearing the Security Intruder List Clearing the Autolearning DatabaseONline clear security autolearn 3.1 macaddress all ENTER ONline clear security intruderlist ENTER Intruder List clearedEMM Security SNMP Variables Using 3Com MIB Security VariablesConfiguring Security Features 4 Using the Security Module SNMP Variables Configuring Security Features 4 Page Troubleshooting 5 TroubleshootingTroubleshooting 5 Troubleshooting Troubleshooting Using the Status LEDsProblem IndicationProblem TroubleshootingTroubleshooting 5 LED StatePossible Problem Troubleshooting Using the Activity LEDsTroubleshooting Solutions Table 5-2. Troubleshooting Using the Activity LEDsTroubleshooting 5 Technical AssistancePage Electrical Specifications A SpecificationsSpecifications A Mechanical Specifications Environmental SpecificationsGeneral Specifications Specifications A 50-Pin Connector and CableFigure A-1. 50-Pin Cable Male and Female Connectors ceiver TransPort # PolarityTrans Twisted Pair Connectors and CablesTrans Port #Figure A-2. RJ-45 Connector Pinouts Twisted Pair ConnectorsSpecifications A Twisted Pair Cables On-line Technical Support B Technical SupportTechnical Support B Email Technical Support Support from Your Network SupplierWorld Wide Web Site Technical Support B Support from 3ComReturning Products for Repair Accessing the 3Com MIBTechnical Support B 3Com Technical PublicationsPage Index NumericsIndex 2 Index Index 4 Index Unshielded Twisted Pair Network Sample Configuration Unpacking Procedures Unshielded Twisted Pair CableUploading Security Configurations Wiring Closet, A-8