[c-nsp] Galvanic isolation for Ethernet?

[Victor Sudakov]

A.L.M.Buxey at lboro.ac.uk wrote:
> 
> should never run copper for networks between buildings (and some
> would say ever outside buildings) - thats optic territory. we use
> optical isolation...

In an ideal world, I agree. 

In the real world, I am not aware of any official standards,
regulations or building codes that prohibit using Ethernet between
buildings or outside buildings. If you know any, could you please
provide a link.

> but if you really want to 
> protect your ports maybe these will help:
> 
> http://datainterfaces.com/surge-protectors.aspx

They do not seem to offer galvanic isolation, I think they use gas
discharge modules. How do I know they are any better than those we
already have (APC ProtectNet)?

You are not advising them from your own experience, are you?
> 
> (if  anyone else has experience of these....or you end up using
> them...please review and give me some feedback as I do have some
> annoying (and expensive) corner cases that they might be useful
> for....)
> 

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
sip:sudakov at sibptus.tomsk.ru