3Com 8800 manual Architecture and Configurations

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Architecture and Configurations

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Figure 3 The PoE Power Rack Configured with Three Power Supply Modules (Front VIew)

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Contents 3Com Switch Power Over Ethernet United States Government Legend 3Com Corporation Campus Drive Marlborough, MA USAContents Contents Introduction PoE Power Rack Rear View Architecture and Configurations Introduction Overview Power SupplyPoE Power Rack System DescriptionDescriptions, colors, and functions are shown in Table Power Supply ModuleVisual indicators System ControllerPin Definition RS485 and RS232 signals are described in and TableRefer to Figure Distribution PanelSafety Statements SafetySafety Symbols Safety EMI Considerations Installation and TestingIntroduction GuidelinesNumber Model Ports Type Disconnect Detection Module Technical SpecificationsRemoving Power Supply Module and Dummy Faceplate Frame Grounding Powering on the Device Installation and Testing LED Indication ENGINEERING, Maintenance TroubleshootingMaintenance TroubleshootingENGINEERING, Maintenance and Troubleshooting