[SI-LIST] COM Limit -- Why 3dB?

  • From: SI Guy <silistguy@xxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Mon, 17 Apr 2017 17:43:18 -0500

Does anyone know why the limit for COM in 25G ethernet spec is 3dB? Does
this have anything to do with the shannon-hartley theorem? I would imagine
but after putting in the numbers, I don't see a directly 1:1 relationship.
My brain has had bad gas today.

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