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Steve and all, The problem shown in this presentation can
be easily solved by mandating detection and classification signature for every
2P in the PD. Specifically separate signatures for each
2P and not a common one as measured at the RJ45. See attached presentation in page 13 for
the proposed scope of work. This is the idea of how standard can be
simplified. Doing the above is not requiring any special
specifications from the PSE. The Endspan PSE will detect and classify
pair A. The Midspan PSE will detect and classify
pair B. Both channels will turned on within the
current 802.3af timings or similar to it. Since each channel A and B are not tied
together at the diode bridge output, the PD can be operated easily by using the
PD circuitry which is TBD (implementation independent). Yair From:
owner-stds-802-3-poep@xxxxxxxx [mailto:owner-stds-802-3-poep@xxxxxxxx] On Behalf Of Guys, I think I’ve solved another problem that’s
inherent with DS. See the attached pdf. (Only about 10 more tough
problems to go!) I’d sure appreciate some comments. Steve |