Re: [802.3_RTPGE] PoE Ad-hoc questions - final

[Geoff Thompson <thompson@xxxxxxxx>]

Dave-

I think there is a larger question to be answered here.
That would be:

Does the automotive industry actually want "standardized PoE" of the same style that the current PoE standard provides?

That is, does the auto industry really want the sort of multi-vendor plug-and-play facility that we provide along with its lack of optimization for cost?

The alternative would be for them to do PoAE (Power over Automotive Ethernet) on a more finely tuned basis.  That is, each instance (with specific exceptions*) would be "engineered" to closely match supply size, conductor size, fault detection and PD characteristics to each specific application within the vehicle.

In such a context a standard might not be necessary or the PoAE standard might be much more wide open than the current standard with the expectation that each connection and the component connection options on each end would be designed by engineering experts.  Sort of (conceptually) more like Ethernet over fiber than Ethernet over twisted-pair.

* The specific exceptions being user accessible accessory interfaces which would use the existing standard.

Best regards,
    Geoff

Geoffrey O. Thompson
GraCaSI S.A.
Mountain View, CA 94043
<thompson@xxxxxxxx>

On 126//12 3:15 PM, Dave Dwelley wrote:

All -

Here is the final question list from the PoE Ad-hoc in Minneapolis. End users (automotive/industrial/other): please look at this list and be prepared to discuss these points in San Diego.

Thanks to those who contributed questions, and I look forward to seeing you at the Plenary -

Dave