3Com 5104M-FL1 installation and operation guide Vcci Class 1 Compliance

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Federal Communications Commission Notice

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.Operation of this equipment in a residential area is likely to cause harmful interference, in which case you must correct the interference at your own expense.

Canadian Emissions Requirements

Cet appareil numérique respecte les limites de bruits radioélectriques applicables aux appareils numériques de Classe A prescrites dans la norme sur la matériel brouilleur: "Appareils Numériques", NMB-003 édictée par le Ministère des Communications.

This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference-causing equipment standard entitled "Digital Apparatus", ICES-003 of the Department of Communications.

VCCI Class 1 Compliance

This equipment is in the 1st Class category (information equipment to be used in commercial or industrial areas) and conforms to the standards set by the Voluntary Control Council for Interference by Information Technology Equipment aimed at preventing radio interference in commercial or industrial areas.

Consequently, when the equipment is used in a residential area or in an adjacent area, radio interference may be caused to radio and TV receivers, and so on.

Read the instructions for correct handling.

Fiber Cable Classification Notice

Use this equipment only with cable classified by Underwriters Laboratories as to fire and smoke characteristics in accordance with Section 770-2(b) and Section 725-2(b) of the National Electrical Code.

VDE Class B Compliance

Hiermit wird bescheinigt, dass der 5104M-FL1 in Üebereinstimmung mit den Bestimmungen der Vfg 243/1991 funkentstöert ist.

Der Deutschen Bundespost wurde das Inverkehrbringen dieses Geraetes angezeigt und die Berechtigung zur Üeberprüefung der Serie auf Einhaltung der Bestimmungen eingeräeumt.

Einhaltung mit betreffenden Bestimmugen kommt darauf an, dass geschirmte Ausfuehrungen gebraucht werden. Fuer die Beschaffung richtiger Ausfuehrungen ist der Betreiber verantwortlich.

This is to certify that the 5104M-FL1 is shielded against radio interference in accordance with the provisions of Vfg 243/1991.

The German Postal Services have been advised that this equipment is being placed on the market and that they have been given the right to inspect the series for compliance with regulations.

Compliance with applicable regulations depends on the use of shielded cables. The user is responsible for procuring the appropriate cables.

UK General Approval Statement

The ONcore Switching Hub, ONline System Concentrator, and ONsemble StackSystem Hub are manufactured to the International Safety Standard EN 60950 and are approved in the UK under the General Approval Number NS/G/12345/J/100003 for indirect connection to the public telecommunication network.

Disclaimer

The information in this document is subject to change without notice and should not be construed as a commitment by 3Com Corporation. 3Com Corporation assumes no responsibility for any errors that may appear in this document.

Copyright Statement

© 1995, by 3Com Corporation. Printed in U.S.A. All rights reserved. 3Com is a registered trademark of 3Com Corporation. The information contained herein is the exclusive and confidential property of 3Com Corporation. No part of this manual may be disclosed or reproduced in whole or in part without permission from 3Com Corporation.

EN55022/CISPR22 Compliance

This equipment conforms to the Class A emissions limits for a digital device as defined by EN55022 (CISPR22).

Trademarks

Because of the nature of this material, numerous hardware and software products are mentioned by name. In most, if not all cases, these product names are claimed as trademarks by the companies that manufacture the products. It is not our intent to claim these names or trademarks as our own.

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

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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