Displaying 1 result from an estimated 1 matches for "poweroverethernet".
2004 Jan 20
0
[A-bit-OT] Power Over Ethernet Discovery process
Hi,
Since someone asked, here's how POE standard does discovery
process for a POE device. of course is a passive detection...
but that's why you don't have POE always-on on a POE enabled
switch port....
you can find more info in article area of
http://www.poweroverethernet.com
and full specs @ http://www.ieee802.org/3/af/index.html
You will find a resistance value in the quote below.
The value is 19k to 26.5k for PSE detection signature, with a mid
value of 22.75K
<quote>
The Discovery Process
Power Over Ethernet PSEs are responsible for ensuring that conve...