[802.3af] Classification currents range
- To: "'Donald S. Stewart'" <dsstewart@avaya.com>, "'R karam'" <rkaram@cisco.com>, "'Rick Brooks'" <ribrooks@nortelnetworks.com>, "'Schwartz, Peter'" <Peter.Schwartz@micrel.com>, "'Dave Dwelley'" <ddwelley@linear.com>, "'Lynch, Brian'" <brian_lynch@ti.com>, "'bruce.inn@micrel.com'" <bruce.inn@micrel.com>, "'Steve Carlson'" <scarlson@hspdesign.com>, "'AvinoamL@powerdsineusa.com'" <AvinoamL@powerdsineusa.com>
- Subject: [802.3af] Classification currents range
- From: Yair Darshan <YairD@powerdsine.com>
- Date: Tue, 21 Aug 2001 18:13:02 +0200
- Cc: "'stds-802-3-pwrviamdi@ieee.org'" <stds-802-3-pwrviamdi@ieee.org>
- Sender: owner-stds-802-3-pwrviamdi@majordomo.ieee.org
Guys,
It seems that the gaps between currents specified for various classes
of PDs during the classification procedure are too small and may produce
a measurement accuracy issue.
I am suggesting to change Table 3 in the Draft for the following numbers:
Class0 <1.5mA
Class1 8 - 10 ma
Class2 13 - 16 ma
Class3 19 - 23 ma
Class4 27 - 33 ma
Class5 37 - 45 ma
Greater than 49mA: Invalid result, not a PD.
Comments?
Yair.
Darshan Yair
Chief Engineer
> PowerDsine Ltd. - Powering Converged Networks
> 1 Hanagar St., P.O. Box 7220
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