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3Com 5104M-FL1 installation and operation guide Serial Configuration, Star-Wiring Configuration

Models: 5104M-FL1

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Figure 2-3. Star-Wiring Configuration

Serial Configuration

Use a serial configuration (Figure 2-4) for smaller diameter networks that are not expected to grow. Serial configurations reduce the overall network diameter (by 560 meters for each concentrator in any path)

2 - 14 ONline Ethernet 10BASE-FL Installation and Operation Guide

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3Com 5104M-FL1 installation and operation guide Serial Configuration, Star-Wiring Configuration

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 Document Conventions Text ConventionsText Convention Example Related Documents 3Com DocumentsReference Documents Page Introduction 10BASE-FL Module Description 10BASE-FL and Foirl Ieee Standards Comparison Theory of OperationBASE-F Standards 10BASE-F Standard DescriptionBASE-FL Module Connections Designing and ExpandingtheNetwork Understanding the General Rules Basic Network RulesSeven Basic Network Rules Rule Definition Recommendations/NotesAs equivalent distance. Every Assume that one LAN Equivalence LAN Product Equivalent DistancesLAN Product Equivalent Determining Maximum 10BASE-FL Link Distances Calculating Maximum Link DistanceDetermining Link Budget BASE-FL Module Optical Power Budget Cable Size Transmit Receive Optical Link Loss PowerDBm ONline toSplicing Connector and Splice Insertion Loss Connector Type Range of Loss Per Typical Loss dB Pair dBTypical Fiber Loss Characteristics 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 10BASE-FL Backbone, Unshielded Twisted Pair to-the-Desk Fiber Equivalent Distances Between TransceiversTotal Fiber Number Equivalent 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 Fault-Tolerant Configurations Configuring Ports for Fault ToleranceStandard Redundant Configuration In this configuration 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 ProceduresQuick Installation Quick Installation ProceduresStep Procedure Section Title Setting the Dip Switches Setting Dip Switch SW1 BASE-FL Module Dip Switch LocationsDip Switch SW1 Settings Factory Switch SettingFunction Off Default Setting Dip Switch SW2 Dip Switch SW2 Settings for Switches 1 toSwitch Function Factory Default Installing the Module Dip Switch SW2 Settings for Switches 5Switch Settings 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 IndicatesLED State Module Is Configured for Verifying the LED and Network AssignmentsNetwork Check Codes Troubleshooting Troubleshooting Using the Port Activity LEDs Troubleshooting Using the Port Activity LEDsLED Name Possible Cause Corrective Action StateTroubleshooting Using the Port Status LEDs Troubleshooting Using the Port Status LEDsLED State Indication Possible Cause Corrective Action Replace remote device RFS Troubleshooting Technical AssistanceONline Ethernet 10BASE-FL Installation and Operation Guide Specifications General Specifications Table A-1. General SpecificationsOptical Specifications Transmitter SpecificationsTable A-2. Transmit Power Peak Values Receiver Specifications Table A-3. Receiver SpecificationsSupported Fiber Optic Cables Power Requirements Table A-4. Fiber Optic Interface SpecificationsTable A-5. Power Requirements Fiber Optic InterfaceEnvironmental Specifications Mechanical SpecificationsTable A-6. Electrical 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 SupportSupport from Your Network Supplier Email Technical SupportWorld Wide Web Site 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