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[802.3af] Midspan PSEs using alteranative A


I have a question regarding midspan PSEs.

In Draft 3.1 page 37 line 22 midpsan PESs are limited to alternative B.

Is there a reason to forbid midspan PSEs using alternative A ?

(The reason for this question is using midspan PSEs in a 2-pair- cable

Thanks for your Help


  Dirk S. Mohl
  Automation and Network Solutions / AEB
  Hirschmann Electronics GmbH & Co. KG
  Stuttgarter Strasse 45-51
  72654 Neckartenzlingen, Germany

  Phone +49 7127 14 1622
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