Have you guys heard about the new ethernet technology over existing MU cables? Developed by GE, here's the brochure.

http://www.getransportation.com/rail/rail-resources/doc_download/481-ge-emu-bridge-fact-sheet-.html




SP5103 Wrote:
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> I'm not sure to what degree modern locos can
> monitor their dynamic brake systems and notify the
> engineer if they aren't functioning as expected.
> There was a recommendation years ago that the
> engineer be able to monitor at least the dynamic
> brake amps of trailing units from the controlling
> unit, but I'm not sure that ever happened though I
> have heard of a similar system used on some cab
> cars. To my knowledge, the recommendation never
> was acted further on as far as becoming a
> regulation.
>
> M-K now MPI track tests their new/rebuilt/repaired
> locos by doubleheading them, one in dynamics and
> one in power working them against each other.