3Com 5017C with load sharing, 5017C-LS Multiple 17-Slot Concentrator Environment

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Figure 1-1 shows a model system that includes each of these cable types. In this diagram, an ONline Ethernet Repeater Module is connected to a 10BASE5 segment via an AUI cable and a transceiver. Also shown is the physical connection between an ONline Ethernet Fiber Module and a 10BASE2 segment, via a fiber cable, fiber media access unit, and IEEE repeater. Unshielded and shielded twisted pair connections to-the-desk are also included in this sample configuration.

Figure 1-1. Multiple 17-Slot Concentrator Environment

Network segments attach to the concentrator through media modules you install into the chassis. The ONline Controller Module, which provides re-timing and re-transmission of received signals, must be installed in one of the concentrator's seventeen slots. The remaining sixteen slots can be configured with any combination of media modules.

1 - 2 ONline 17-Slot System Concentrator Installation and Operation Guide

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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 How to Use This Guide AudienceStructure of This Guide This guide contains the following chaptersDocument Conventions Convention Indicates ExampleRelated Documents 3Com Documents Reference DocumentsPage Introduction Introducing the ONline System ConcentratorMultiple 17-Slot Concentrator Environment Back Panel Front PanelONline System Concentrator Features ONline System Concentrator Front ViewModular ONline Configuration Modular DesignPort-Switching Technology TriChannel ArchitectureONline System Concentrator Using Multiple Networks Load Sharing Fault-Tolerance CapabilitiesBackup Power Supply Backup Controller Module Redundant Cable LinksBackup Concentrator Redundant Cable Link ConfigurationBackup Concentrator Configuration Hot Swapping of Media ModulesSynchronous Backplane Installation and Troubleshooting Contents of the Shipping BoxONline System Concentrator Shipping Box Contents FCC Regulations Ventilation Site Selection ConsiderationsLocation Requirements Power Requirements Rack Mount Installation RequirementsInstallation Table Top Installation RequirementsInstalling the Cable Tray Rack Mount Settings Cable Tray Rack MountingRack Mount Positions Cable Tray Installation in Rack Cable Tray Table MountingInstalling the ONline System Concentrator Rack Mounting the ONline System ConcentratorAttaching the Rack Mount Flanges Table Top Mounting the ONline Concentrator Chassis Mounted in RackInstalling the Backup Power Supply Optional Removing Fan UnitUnplugging the Fan Unit Power Supply Connectors Selecting the Power Supply Voltage 10. Installed Backup Power Supply11. Setting the Voltage Selector Switch Installing ONline Modules Connecting Network CablesPower Up and Verification 12. Network Cable ConnectionsPower Supply Operation Verification Fan Operation VerificationTroubleshooting with Controller Module LEDs Command. If this fails to See Primary Power LED Technical Assistance Where To Go From Here Configuration of your concentratorMaintenance Routine Maintenance Replacing the Power SupplyRemoving the Power Supply Unplugging the Power Supply Power Supply Plugs in ONline System Concentrator Backup Power Supply Installed Replacing the Fan Unit Removing the Fan UnitUnplugging the Fan Unit ONline Module Maintenance Other System ComponentsPage General EnvironmentalRegulatory Compliance Power SourceMechanical Accessories Page Slot Usage Chart Table B-1. Concentrator Slot Usage Chart Table B-1. Concentrator Slot Usage Chart Page Technical 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