[c-nsp] Multiple power supply failures. Advise needed

Mikael Abrahamsson swmike at swm.pp.se
Wed Sep 2 01:26:34 EDT 2009


On Tue, 1 Sep 2009, Seth Mattinen wrote:

> Yeah, metal dust would be a killer. I don't know what to say either; 
> magnetic air filters? Maybe salvage/buy some powerful magnets and mount 
> them in your airflow. See if they collect anything over time. If they 
> do, at least you'll have evidence.

I've heard stories about problems caused by inadequate filtering in sites 
and not really metallic dust but carbon particles/dust from diesel 
engines. When it's enough of it it can help move currents around the 
circuit board that was not intended by the designers...

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se


More information about the cisco-nsp mailing list