Troubleshooting | 3Com 3C10220 guide

3TROUBLESHOOTING

Solving EPS Problems 27

Solving NBX Telephone Problems 30

Solving Wireless Access Point Problems 32

A SAFETY INFORMATION

Important Safety Information 36
L’information de Sécurité Importante	37
Wichtige Sicherheitsinformationen	39

BTECHNICAL SPECIFICATIONS AND PIN ASSIGNMENTS

3COM CORPORATION LIMITED WARRANTY

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3Com 3C10220 manual Troubleshooting

Contents

3Com Ethernet Power Source Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Troubleshooting Conventions About this GuideList conventions that are used throughout this guide Documentation CommentsYear Compliance 3Com Support About this Guide 3COM Ethernet Power Source Overview Overview Power source is designed for use with a standardFed through the unused pairs 7/8 and 4/5 2 Receive on pins 3 Front Panel Connections LEDs 10/100BASE-TX Data and Power Output Ports LED Behavior Test LED Rear Panel Console Port Guidelines for Network Configuration Sample topologies are shown in and Figure 3COM Ethernet Power Source Overview Cabling Patch Panel Laptop with Wireless PCM Card 3COM Ethernet Power Source Overview Installing Ethernet Power Source END Devices Choosing a Suitable Site Rack-mounting Standard 19-inch equipment racksUnit, as shown in Figure Repeat and for the other side of the EPS Installing the Ethernet Power Source and END Devices List the RJ45 input and output plugs per port RJ-45 Input Plug per Port Switch SideRJ-45 Output Plug per Port DTE NIC Side Cable Power SplitterData Ethernet Power Source Access PointWiring Closet Patch Panel Premises 3Com Wireless Installing the Ethernet Power Source and END Devices Problems TroubleshootingSolving EPS Solving EPS Problems Solving EPS Problems To resolve the problem Solving NBX Business Telephone ProblemsSolving NBX Telephone Solving NBX Telephone Problems Solving Wireless Access Point Problems Wiring, hubs, and switches Troubleshooting Safety Information Important Safety Connect it to an AC outlet power supplyInformation Connected to an earthed grounded outlet ’information de Sécurité Importante France et Pérou uniquement Sécurité Importante Wichtige Sicher Heitsinformationen Appendix a Safety Information Technical Specifications for the Ethernet Power Source PIN Assignments Pin Number Signal Function Pin Assignments 3Com Corporation Limited Warranty Warranties Exclusive