3Com 3C10220 About this Guide, Conventions, List conventions that are used throughout this guide

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ABOUT THIS GUIDE

This guide provides all the information that you need to install and use either of the Ethernet Power Source (EPS) units:

3C10220 — with 12 10BASE-T/100BASE-TX ports

3C10222 — with 24 10BASE-T/100BASE-TX ports

The guide is intended for use by installers or network administrators who are responsible for installing and setting up network equipment. It assumes a basic working knowledge of LANs.

Conventions

Table 1 and Table 2 list conventions that are used throughout this guide.

 

Table 1

Notice Icons

 

 

 

 

 

 

Icon

Notice Type

Description

 

 

 

 

 

 

Information note

Information that describes important features or

 

 

 

instructions

 

 

Caution

Information that alerts you to potential loss of data or

 

 

 

potential damage to an application, system, network,

 

 

 

or device

 

 

Warning

Information that alerts you to potential personal injury

 

 

 

 

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Contents 3Com Ethernet Power Source Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Troubleshooting List conventions that are used throughout this guide About this GuideConventions Comments DocumentationYear Compliance3Com Support About this Guide 3COM Ethernet Power Source Overview Fed through the unused pairs 7/8 and 4/5 Power source is designed for use with a standardOverview Front Panel Connections LEDs 2 Receive on pins 3LED Behavior 10/100BASE-TX Data and Power Output PortsTest LED Console Port Rear PanelSample topologies are shown in and Figure Guidelines for Network Configuration3COM Ethernet Power Source Overview Cabling Patch Panel Laptop with Wireless PCM Card 3COM Ethernet Power Source Overview Installing Ethernet Power Source END Devices Suitable Site Choosing aStandard 19-inch equipment racks Rack-mountingUnit, as shown in Figure Repeat and for the other side of the EPSInstalling the Ethernet Power Source and END Devices RJ-45 Output Plug per Port DTE NIC Side RJ-45 Input Plug per Port Switch SideList the RJ45 input and output plugs per port Data Power SplitterCable Access Point Ethernet Power SourceWiring Closet Patch Panel Premises 3Com WirelessInstalling the Ethernet Power Source and END Devices Solving EPS TroubleshootingProblems Solving EPS Problems Solving EPS Problems Solving NBX Business Telephone Problems To resolve the problemSolving NBX TelephoneSolving NBX Telephone Problems Solving Wireless Access Point Problems Wiring, hubs, and switches Troubleshooting Safety Information Connect it to an AC outlet power supply Important SafetyInformation Connected to an earthed grounded outletSécurité Importante ’information deSécurité Importante France et Pérou uniquementHeitsinformationen Wichtige SicherAppendix a Safety Information PIN Assignments Technical Specifications for the Ethernet Power SourcePin Assignments Pin Number Signal Function3Com Corporation Limited Warranty Warranties Exclusive