3Com 5017C-LS, 5017C with load sharing On-line Technical Support

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C Technical Support

3Com provides easy access to technical support information through a variety of services. This appendix describes the following services:

On-line Technical Services

Support from Your Network Supplier

Support from 3Com

Returning Products for Repair

On-line Technical Support

3Com offers worldwide product support through the following on-line systems:

Email Technical Service

World Wide Web Site

Technical Support C - 1

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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 Fault-Tolerance Capabilities Backup Power SupplyLoad Sharing 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 Site Selection Considerations Location RequirementsVentilation 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 GeneralPower Source MechanicalRegulatory Compliance 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 SupportSupport from Your Network Supplier Email Technical SupportWorld Wide Web Site Support from 3Com Returning Products for Repair Accessing the 3Com MIB3Com Technical Publications Page Index Index