[c-nsp] Galvanic isolation for Ethernet?

Howard Jones howie at thingy.com
Mon Aug 18 05:38:12 EDT 2014


On 18/08/2014 09:54, Victor Sudakov wrote:
> Colleagues,
>
> Do you know any devices to provide galvanic isolation for twisted pair
> Ethernet?
>
> We have regular Ethernet surge protection devices (AFAIK APC) between
> the switch and the attached equipment but they don't help. This is the
> second Catalyst already with a burnt group of ports.
>
> Any advice is appreciated.
>
An SFP and some multimode fibre? (or a media converter to do the same - 
Gig-E media converters are cheap)

What happens in the environment between the two devices? Is it passing 
outside, or between buildings or something else?



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