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3Com 5104M-FL1 installation and operation guide Structure of This Guide

Models: 5104M-FL1

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Structure of This Guide

This guide contains the following chapters and appendix:

Chapter 1 - Introduction – Introduces the principal features of the ONline Ethernet 10BASE-FL Module.

Chapter 2 - Designing and Expanding the Network – Shows and explains examples of network configurations using the ONline System Concentrator and the ONline 10BASE-FL Module.

Chapter 3 - Installing and Operating the Module – Provides illustrated procedures for installing the 10BASE-FL Module into the ONline System Concentrator.

Chapter 4 - Troubleshooting – Provides help in isolating and correcting problems that may arise during the installation process and during normal operation.

Appendix A - Specifications – Provides product dimensions, power requirements, and other specifications for the module.

Appendix B - Technical Support – Lists the various methods for contacting the 3Com technical support organization and for accessing other product support services.

Index

xiv ONline Ethernet 10BASE-FL Module Installation and Operation Guide

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3Com 5104M-FL1 installation and operation guide Structure of This Guide

Contents

Page Vcci Class 1 Compliance Page Page Contents Installing and Operating the Module Appendix a Specifications Page Figures Page Tables Page How to Use This Guide AudienceStructure of This Guide Text Convention Example Document ConventionsText Conventions Related Documents 3Com DocumentsReference Documents Page Introduction 10BASE-FL Module Description BASE-F Standards 10BASE-FL and Foirl Ieee Standards ComparisonTheory of Operation 10BASE-F Standard DescriptionBASE-FL Module Connections Designing and ExpandingtheNetwork Seven Basic Network Rules Understanding the General RulesBasic Network Rules Rule Definition Recommendations/NotesAs equivalent distance. Every Assume that one LAN Product Equivalent LAN EquivalenceLAN Product Equivalent Distances Determining Maximum 10BASE-FL Link Distances Calculating Maximum Link DistanceDetermining Link Budget DBm BASE-FL Module Optical Power BudgetCable Size Transmit Receive Optical Link Loss Power ONline toSplicing Typical Fiber Loss Characteristics Connector and Splice Insertion LossConnector Type Range of Loss Per Typical Loss dB Pair dB Splice Type Range of Loss dB Typical Loss dBExample Fiber Link With Mechanical Splice Meter Fiber Link With Mechanical SpliceExample Fiber Link Through Patch Panels Meter Fiber Link Through Two Patch PanelsStar Configuration Choosing a Network Backbone Cabling StructureSerial Configuration Star-Wiring Configuration10BASE-FL Module Configurations Serial Configuration Using 10BASE-FL Modules10BASE-FL Backbone, 10BASE-FL to-the-Desk All-10BASE-FL Network with 3 Concentrators Example a Network with 3 Concentrators Example a Network with 6 ConcentratorsNetwork with 6 Concentrators Total Fiber Number Equivalent 10BASE-FL Backbone, Unshielded Twisted Pair to-the-DeskFiber Equivalent Distances Between Transceivers PathExample Sample Configuration Distance Calculation Sample Configuration Distance Calculation 10BASE-FB Fiber Backbone, 10BASE-FL to-the-Desk Sample Fiber Backbone, 10BASE-FL to-the-Desk Configuration Example Fiber Backbone, 10BASE-FL to-the-DeskConnecting External Network Devices Example Connecting a Thin Ethernet 10BASE2 Segment IeeeDesigning and Expanding the Network 2 Standard Redundant Configuration In this configuration Fault-Tolerant ConfigurationsConfiguring Ports for Fault Tolerance Implementing Backbone Cable Plant Fault Tolerance Setting Redundancy10. Redundant Fiber Backbone Configuration Remote Failure Signaling Implementing Total Backbone Fault Tolerance 11. Total Backbone Fault-Tolerant Configuration12. Network With 3 Concentrators ONline Ethernet 10BASE-FL Installation and Operation Guide Installing and Operating the Module Precautionary Procedures Unpacking ProceduresStep Procedure Section Title Quick InstallationQuick Installation Procedures Setting the Dip Switches Setting Dip Switch SW1 BASE-FL Module Dip Switch LocationsFunction Off Default Dip Switch SW1 SettingsFactory Switch Setting Switch Function Factory Default Setting Dip Switch SW2Dip Switch SW2 Settings for Switches 1 to Switch Settings Installing the ModuleDip Switch SW2 Settings for Switches 5 Channel SelectionInstalling the 10BASE-FL Module BASE-FL Module Connection Configuring the Module Enabling Ports Selecting a Network Enabling Port RedundancySET Port slot.port Mode Redundant slot.port Enabling Remote Failure Signaling BASE-FL Modules Connected with Redundancy/RFS EnabledShowing Module Configuration Saving Module ConfigurationShows the location of these indicators Monitoring the Front PanelBASE-FL Module Faceplate and ONline System Concentrator Interpreting the 10BASE-FL Module LEDs LED Name Color State IndicatesNetwork Check Codes LED State Module Is Configured forVerifying the LED and Network Assignments Troubleshooting LED Name Troubleshooting Using the Port Activity LEDsTroubleshooting Using the Port Activity LEDs Possible Cause Corrective Action StateLED State Indication Possible Cause Corrective Action Troubleshooting Using the Port Status LEDsTroubleshooting Using the Port Status LEDs Replace remote device RFS Troubleshooting Technical AssistanceONline Ethernet 10BASE-FL Installation and Operation Guide Specifications General Specifications Table A-1. General SpecificationsTable A-2. Transmit Power Peak Values Optical SpecificationsTransmitter Specifications Supported Fiber Optic Cables Receiver SpecificationsTable A-3. Receiver Specifications Table A-5. Power Requirements Power RequirementsTable A-4. Fiber Optic Interface Specifications Fiber Optic InterfaceTable A-6. Electrical Specifications Environmental SpecificationsMechanical Specifications Table A-7. Mechanical Specifications10BASE-FL Cable and Connector Specifications Fiber Cables and ConnectorsTable A-8. Connector Type Part Number Connector Type Part NumberTechnical Support On-line Technical SupportWorld Wide Web Site Support from Your Network SupplierEmail Technical Support Support from 3Com Accessing the 3Com MIB Returning Products for Repair3Com Technical Publications Page Index Index RFS VDE compliance Verify LED Operation, 3-19Network Assignment