3com 3CNJPSE24 Manuel d'utilisateur télécharger pdf (Page 28)

Appendix C — Troubleshooting

Ethernet Power Supply User s Guide C-1

Troubleshooting

Introduction

This section helps you locate problems related to the Ethernet

Power Supply setup and functionality.

This section provides a problem and resolution sequence to

assist in troubleshooting minor operating problems. If the

provided resolutions do not solve your problem, call 3Com for

further assistance.

If you encounter problems, make sure:

— Power is applied to the Ethernet Power Supply.

— A crossover type Ethernet cable is not used.

— An input Ethernet cable is connected to the

Data port.

— An output Ethernet cable is connected to the

Data & Power port.

— The input and output cable pairs are attached to

corresponding ports.

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 39 40

Pas de commentaire

3com 3CNJPSE24 Manuel d'utilisateur Page 28