3Com 5017C-LS Table Top Mounting the ONline Concentrator, Chassis Mounted in Rack

Page 43

Figure 2-5. Chassis Mounted in Rack

Table Top Mounting the ONline Concentrator

You can set the ONline Concentrator directly on a table top or shelf that can support at least 100 pounds (45 kg). A fully loaded concentrator weighs about 75 lbs (34 kg). 3Com recommends you set the unit on top of the ONline cable tray as the cable tray provides a central area for cable management and provides the required 1 3/4" (4.5 cm) of clearance for sufficient air flow. Regardless of whether the cable tray is used or not, the four (4) rubber feet must remain on the bottom of the unit.

If the cable tray is used, place the ONline unit on top of the cable tray and insert the rubber feet from the unit into the holes in the cable tray, which stabilizes the unit on the tray.

If the cable tray is not used, place the unit on the table or shelf.

Installation and Troubleshooting 2 - 13

Image 43
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 Backup Power Supply Fault-Tolerance CapabilitiesLoad 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 Location Requirements Site Selection ConsiderationsVentilation 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 GeneralMechanical Power SourceRegulatory 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 SupportEmail Technical Support Support from Your Network SupplierWorld Wide Web Site Support from 3Com Returning Products for Repair Accessing the 3Com MIB3Com Technical Publications Page Index Index