> I have no idea why someone will want to kill it's own USB port? And ask
> public funds for that!
> :)
> however, this can be a good promotion for Analog Device USB isolation por=
t:
> http://www.analog.com/en/products/interface-isolation/isolation/standard-
> digital-isolators/adum4160.html#product-overview
>=20
> which, BTW is so expensive that discourage any engineer to isolate the
> USB...unless it's impossible to do it elsewhere on the communication chai=
n.

I have found all devices using their icoupler technology to be rather expen=
sive, their buffers suitable for RS232 make other solutions practical.



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