3Com 8800 manual Introduction

Page 8

8CHAPTER 1: INTRODUCTION

Image 8

Contents 3Com Switch Power Over Ethernet 3Com Corporation Campus Drive Marlborough, MA USA United States Government LegendContents Contents Introduction PoE Power Rack Rear View Architecture and Configurations Introduction Power Supply PoE Power RackSystem Description OverviewPower Supply Module Visual indicatorsSystem Controller Descriptions, colors, and functions are shown in TableRS485 and RS232 signals are described in and Table Pin DefinitionDistribution Panel Refer to FigureSafety Symbols SafetySafety Statements Safety Installation and Testing IntroductionGuidelines EMI ConsiderationsModule Technical Specifications Number Model Ports Type Disconnect DetectionRemoving Power Supply Module and Dummy Faceplate Frame Grounding Powering on the Device Installation and Testing ENGINEERING, Maintenance Troubleshooting MaintenanceTroubleshooting LED IndicationENGINEERING, Maintenance and Troubleshooting