From Kevin Lightner Sent Tue, Dec 1st 1998, 03:56
> I use high density foam between all >rack units with washers behinthe rack screws and another layer of high >density foam >between >the rack ears and the rails. The only other explanation for this noise >could be the >arrangement of the modules themselves... > >Anyone else had a simillar experience? Lifting chassis grounds via insulating washers can also *cause* such problems. K