Hi Gary, 

Have to ask a dumb question. 
Do you mean a "rack" as in a 7 foot 19 inch style floor standing "rack" 
that is part of a bay in something like a CO, or do you mean a "shelf" 
that's mounted in 7 foot high 19 inch wide "rack"? 

Sorry, confused ... 

Regards,  Doug 


Gary Allen wrote:
> 
> Hi EMCers,
> 
> For PSUs for each of say 17 cards in a telecoms 19" rack, an alternative
> is one PSU card at the end of the rack.  However this means long
> (backplane?) busses of supplies.
> I suspect that EMI would be worse for the alternative central PSU
> solution.
> 
> Is this the case in anyones experience?
> And are there solutions offerable with such a brief brief?
> And any literature on WEB or elsewhere?

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