> While gargoyling for some info on isolated fet drive as a follow on from
> the
> discussion the other day, I came across this poster.
>
> http://www.mbari.org/staff/coletti/docs/towfish_os.pdf
>


Yep, that's pretty neat! The Monterey Bay Aquarium is north of me about
100 miles or so. We go by there every year or so to see what's new. One
thing in the text was:

"cable. One pair of conductors are used to deliver AC
(alternating current) power and another pair to establish
network connectivity via an SDSL (Synchronous Digital
Subscriber Line) connection."

Doesn't SDSL stand for SYMMETRIC digital subscriber line?

Harold



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