Look at marine equipment specs.   They define vibration tolerances quite well.  
 Not my specialty, but I had brief exposure one time.  

Tim McKee
WN9Z

Sent from my iPhone

> On Sep 15, 2020, at 21:00, Crist Clark <cjc+na...@pumpky.net> wrote:
> 
> 
> I've been living and working in earthquake country for many years. The 
> primary focus I've always encountered for network gear is to make sure it is 
> properly secured to the racks and the racks properly secured to the building 
> (and hope the building is well secured).
> 
> I'm working on a project now where we're doing seismic isolation for the 
> servers. I think the main concern there is spinning disks. The cabinets are 
> effectively "floating," well, rolling really, on the data center floor. There 
> are various vendor solutions for this. Of course, the network gear living up 
> close and personal with the servers is along for the ride. That's all fine. I 
> don't think it's a problem for the network gear.
> 
> But now there are people with the idea that seismic isolation is the 
> technology we need for all of our electronics, down to network gear in IDRs. 
> I am trying to find any real information about this, but Google-fu is not 
> producing results for me. I asked some of our vendor sales people, they said 
> they'd get back, but never did. I don't know if shake tolerances is something 
> published for your typical data center and campus network gear.
> 
> Anyone have some best practice info from some reliable sources or seen any 
> shake tolerance data for network gear?

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