Planet SGSD-1022 User Manual page 22

8. POWER OVER ETHERNET OVERVIEW .......................................................................... 675
What is PoE?...................................................................................................................................................675
The PoE Provision Process...........................................................................................................................677
Stages of powering up a PoE link ........................................................................................................................ 677
Line Detection.............................................................................................................................................................677
Classification ..............................................................................................................................................................678
Start-up .......................................................................................................................................................................678
Operation....................................................................................................................................................................678
Power Disconnection Scenarios .................................................................................................................................678
9. TROUBLE SHOOTING...................................................................................................... 680
APPENDEX A ........................................................................................................................ 681
A.1 Switch's RJ-45 Pin Assignments ...........................................................................................................681
A.2 10/100Mbps, 10/100Base-TX ...................................................................................................................681
APPENDEX B : GLOSSARY................................................................................................. 683
User's Manual of SGSD-1022 / SGSD-1022P
22
SGSW-2840 / SGSW-2840P