3Com 5017C with load sharing, 5017C-LS installation and operation guide Contents

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Contents

How to Use This Guide

Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii Structure of This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi 3Com Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii Reference Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

Chapter 1 — Introduction

Introducing the ONline System Concentrator . . . . . . . . . . . . . . . . . . . . . . . 1-1

Back Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

ONline System Concentrator Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Modular Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

TriChannel Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Port-Switching Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Fault-Tolerance Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

Backup Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

Load Sharing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

Backup Controller Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Redundant Cable Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Backup Concentrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

Hot Swapping of Media Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

Synchronous Backplane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12

Chapter 2 — Installation and Troubleshooting

Contents of the Shipping Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

FCC Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Site Selection Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

ONline 17-Slot System Concentrator Installation and Operation Guide v

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Contents Document Number Printed March VDE Class B Compliance Restricted Rights Page Contents Maintenance Appendix B Slot Usage Chart Appendix C Technical Support Page Figures Page Tables Page Audience How to Use This GuideThis guide contains the following chapters Structure of This GuideConvention Indicates Example Document ConventionsRelated Documents Reference Documents 3Com DocumentsPage Introducing the ONline System Concentrator IntroductionMultiple 17-Slot Concentrator Environment Front Panel Back PanelONline System Concentrator Front View ONline System Concentrator FeaturesModular Design Modular ONline ConfigurationTriChannel Architecture Port-Switching TechnologyONline System Concentrator Using Multiple Networks Load Sharing Fault-Tolerance CapabilitiesBackup Power Supply Redundant Cable Links Backup Controller ModuleRedundant Cable Link Configuration Backup ConcentratorHot Swapping of Media Modules Backup Concentrator ConfigurationSynchronous Backplane Contents of the Shipping Box Installation and TroubleshootingONline System Concentrator Shipping Box Contents FCC Regulations Ventilation Site Selection ConsiderationsLocation Requirements Rack Mount Installation Requirements Power RequirementsTable Top Installation Requirements InstallationInstalling the Cable Tray Cable Tray Rack Mounting Rack Mount SettingsRack Mount Positions Cable Tray Table Mounting Cable Tray Installation in RackRack Mounting the ONline System Concentrator Installing the ONline System ConcentratorAttaching the Rack Mount Flanges Chassis Mounted in Rack Table Top Mounting the ONline ConcentratorRemoving Fan Unit Installing the Backup Power Supply OptionalUnplugging the Fan Unit Power Supply Connectors 10. Installed Backup Power Supply Selecting the Power Supply Voltage11. Setting the Voltage Selector Switch Connecting Network Cables Installing ONline Modules12. Network Cable Connections Power Up and VerificationFan Operation Verification Power Supply Operation VerificationTroubleshooting with Controller Module LEDs Command. If this fails to See Primary Power LED Technical Assistance Configuration of your concentrator Where To Go From HereMaintenance Replacing the Power Supply Routine MaintenanceRemoving the Power Supply Unplugging the Power Supply Power Supply Plugs in ONline System Concentrator Backup Power Supply Installed Removing the Fan Unit Replacing the Fan UnitUnplugging the Fan Unit Other System Components ONline Module MaintenancePage Environmental GeneralRegulatory Compliance Power SourceMechanical Accessories Page Slot Usage Chart Table B-1. Concentrator Slot Usage Chart Table B-1. Concentrator Slot Usage Chart Page On-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