[802SEC] Comments on 802.3ch PAR

[James Gilb <000008e8b69871c2-dmarc-request@ieee.org>]

Dear David

I have the following comments and questions regarding the 802.3ch PAR

1) The media type (copper vs. optical) is not specified in the scope. 
Is it the intention of the WG that this standard might specify either or 
both?

2) The typical reach is not specified.  While for an automobile, 15 m 
may be appropriate, for a tandem or triple trailer truck, 50 m may be 
appropriate.  I think the scope should list the target connection length 
for the proposed work.  The CSD requirements that this a project is 
technically feasible and cost effective cannot be evaluated without 
knowing the target distance.

For example, the scope could say "supporting link distances of at least 
15 m" or "supporting link distances of approximately 50 m"

James Gilb

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