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3Com 5104M-FL1 installation and operation guide Installing the 10BASE-FL Module

Models: 5104M-FL1

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2.Locate a blank slot in the concentrator. If there is no blank slot, remove a blank panel on the concentrator to expose a slot for the 10BASE-FLModule.

3.Insert the module into the board guides at the top and bottom of the slot and slide it into the concentrator. Makesure that the co nnector is well seated into the backplane of the concentrator.

Figure 3-2 shows the installation of the 10BASE-FL Module

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Figure 3-2. Installing the 10BASE-FL Module

4.Fasten the spring-loaded screws on the front of the 10BASE-FL Module faceplate to the concentrator using your fingers (do not overtighten).

5.Remove the plastic fiber optic dust covers from the cable ports. Keep unused cable ports capped to keep the optics clean.

6.Attach the fiber cables to the fiber ports on the front of the 10BASE-FL Module as shown in Figure 3-3.

Installing and Operating the Module 3 - 9

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3Com 5104M-FL1 installation and operation guide Installing the 10BASE-FL Module

Contents

Page Vcci Class 1 Compliance Page Page Contents Installing and Operating the Module Appendix a Specifications Page Figures Page Tables Page Audience How to Use This GuideStructure of This Guide Text Convention Example Document ConventionsText Conventions 3Com Documents Related DocumentsReference Documents Page Introduction 10BASE-FL Module Description Theory of Operation 10BASE-FL and Foirl Ieee Standards ComparisonBASE-F Standards 10BASE-F Standard DescriptionBASE-FL Module Connections Designing and ExpandingtheNetwork Basic Network Rules Understanding the General RulesSeven Basic Network Rules Rule Definition Recommendations/NotesAs equivalent distance. Every Assume that one LAN Product Equivalent LAN EquivalenceLAN Product Equivalent Distances Calculating Maximum Link Distance Determining Maximum 10BASE-FL Link DistancesDetermining Link Budget Cable Size Transmit Receive Optical Link Loss Power BASE-FL Module Optical Power BudgetDBm ONline toSplicing Connector Type Range of Loss Per Typical Loss dB Pair dB Connector and Splice Insertion LossTypical Fiber Loss Characteristics Splice Type Range of Loss dB Typical Loss dBMeter Fiber Link With Mechanical Splice Example Fiber Link With Mechanical SpliceMeter Fiber Link Through Two Patch Panels Example Fiber Link Through Patch PanelsChoosing a Network Backbone Cabling Structure Star ConfigurationStar-Wiring Configuration Serial ConfigurationSerial Configuration Using 10BASE-FL Modules 10BASE-FL Module Configurations10BASE-FL Backbone, 10BASE-FL to-the-Desk All-10BASE-FL Network with 3 Concentrators Example a Network with 6 Concentrators Example a Network with 3 ConcentratorsNetwork with 6 Concentrators Fiber Equivalent Distances Between Transceivers 10BASE-FL Backbone, Unshielded Twisted Pair to-the-DeskTotal Fiber Number Equivalent PathExample Sample Configuration Distance Calculation Sample Configuration Distance Calculation 10BASE-FB Fiber Backbone, 10BASE-FL to-the-Desk Example Fiber Backbone, 10BASE-FL to-the-Desk Sample Fiber Backbone, 10BASE-FL to-the-Desk ConfigurationConnecting External Network Devices Ieee Example Connecting a Thin Ethernet 10BASE2 SegmentDesigning and Expanding the Network 2 Standard Redundant Configuration In this configuration Fault-Tolerant ConfigurationsConfiguring Ports for Fault Tolerance Setting Redundancy Implementing Backbone Cable Plant Fault Tolerance10. Redundant Fiber Backbone Configuration Remote Failure Signaling 11. Total Backbone Fault-Tolerant Configuration Implementing Total Backbone Fault Tolerance12. Network With 3 Concentrators ONline Ethernet 10BASE-FL Installation and Operation Guide Installing and Operating the Module Unpacking Procedures Precautionary ProceduresStep Procedure Section Title Quick InstallationQuick Installation Procedures Setting the Dip Switches BASE-FL Module Dip Switch Locations Setting Dip Switch SW1Function Off Default Dip Switch SW1 SettingsFactory Switch Setting Switch Function Factory Default Setting Dip Switch SW2Dip Switch SW2 Settings for Switches 1 to Dip Switch SW2 Settings for Switches 5 Installing the ModuleSwitch Settings Channel SelectionInstalling the 10BASE-FL Module BASE-FL Module Connection Configuring the Module Enabling Ports Enabling Port Redundancy Selecting a NetworkSET Port slot.port Mode Redundant slot.port BASE-FL Modules Connected with Redundancy/RFS Enabled Enabling Remote Failure SignalingSaving Module Configuration Showing Module ConfigurationMonitoring the Front Panel Shows the location of these indicatorsBASE-FL Module Faceplate and ONline System Concentrator LED Name Color State Indicates Interpreting the 10BASE-FL Module LEDsNetwork Check Codes LED State Module Is Configured forVerifying the LED and Network Assignments Troubleshooting Troubleshooting Using the Port Activity LEDs Troubleshooting Using the Port Activity LEDsLED Name 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 Technical Assistance RFS TroubleshootingONline Ethernet 10BASE-FL Installation and Operation Guide Specifications Table A-1. General Specifications General SpecificationsTable A-2. Transmit Power Peak Values Optical SpecificationsTransmitter Specifications Supported Fiber Optic Cables Receiver SpecificationsTable A-3. Receiver Specifications Table A-4. Fiber Optic Interface Specifications Power RequirementsTable A-5. Power Requirements Fiber Optic InterfaceMechanical Specifications Environmental SpecificationsTable A-6. Electrical Specifications Table A-7. Mechanical SpecificationsFiber Cables and Connectors 10BASE-FL Cable and Connector SpecificationsConnector Type Part Number Table A-8. Connector Type Part NumberOn-line Technical Support Technical SupportWorld Wide Web Site Support from Your Network SupplierEmail Technical Support Support from 3Com Returning Products for Repair Accessing the 3Com MIB3Com Technical Publications Page Index Index RFS VDE compliance Verify LED Operation, 3-19Network Assignment