RE: it's time for another poll
Rick,
Attached our votes below.
Regards
Yair.
Darshan Yair
Chief R&D Engineer
> PowerDsine Ltd. - Powering Converged Networks
> 1 Hanagar St., P.O. Box 7220
> Neve Ne'eman Industrial Zone
> Hod Hasharon 45421, Israel
Tel: +972-9-775-5100, Cell: +972-54-893019
Fax: +972-9-775-5111
> E-mail: <mailto:yaird@xxxxxxxxxxxxxx>.
> http://www.powerdsine.com
>
>
> -----Original Message-----
> From: Rick Brooks [SMTP:ribrooks@xxxxxxxxxxxxxxxxxx]
> Sent: ג, נובמבר 21, 2000 5:23 PM
> To: stds-802-3-pwrviamdi@xxxxxxxx
> Subject: it's time for another poll
>
> OK,
> we have decided one thing, but there are many other items that we have not
> really agreed to yet.
>
> I wanted to take a non-binding poll to see what people are thinking.
> In order to facilitate this, I have compiled several PD front end
> schematics for your enjoyment.
> I show the needed polarity diodes and the under-voltage lockout circuit,
> followed by some kind of power supply.
> The under-voltage lockout circuit could close the series load FET at the
> same time as opening the signature FET,
> but that is of course optional.
>
> These circuits help to illustrate how many components are needed for the
> various options.
> Please look at this file before proceeding:
> <http://www.ieee802.org/3/af/public/documents/pd_configs1.pdf>
>
>
> **************************************************************************
> ***********
> Please reply with you votes, or comments on these questions:
>
>
> 1) Should we accommodate crossover cables, i.e. take either polarity of
> power? (more cost in the PD)
> NO
>
>
> 2) Should we require having a non-linear component in series with the
> signature resistor for discovery?
> NO
>
>
> 3) Should we pick one and only one pair at this time to send power?
> NO
>
> We agreed to either pair or 45,78 at Mid Span and 12,36 at integrated
> Switch solution.
> If yes, then pick one: 1236_____ 4578_____
>
>
> 4) Should we specify power for both pairs, with the second pair being
> optional for higher power?
> NO
>
>
> 5) Should we leave open the possibility of using the second pair for power
> in the future?
> YES
>
>
> 6) If we were to allow power on both pairs,
> should we make discovery on each pair independent of the power on the
> other pair?
> YES
> **************************************************************************
> ***********
>
> This poll is certainly not official or binding, I'm just trying to get
> some discussion and opinions going.
>
> thanks,
> - Rick
>
>
>