Standard DC rack rail distance, front to back question

Thu Apr 27 15:17:27 UTC 2023

Lucky you with a 19" data rack. All I have are 23" telco racks but I 
will say, the 23" extension ears from Cisco are serious and my router 
chassis' don't sag.

Mark

On 4/27/2023 10:04 AM, Chris Marget wrote:
>
> On Thu, Apr 27, 2023 at 9:53 AM Chuck Church <chuckchurch at gmail.com> 
> wrote:
>
>     for a Cisco ASA1001, there aren’t rails, but rather front and back
>     ‘ears’ you use to hit both front and back posts.
>
>
> Front *and* back ears? I'm not sure what an ASA 1001 is (ASR?) but my 
> experience with these boxes is that they have a single pair of ears 
> which can be mounted front OR back.
>
> The heavier / deeper 1RU devices do tend to sag alarmingly.
>
>      Is there a ‘standard’ distance between front and back rails that
>     devices usually adhere to?
>
>
> If you're thinking of setting the front/back distance to accommodate a 
> specific device, table 2 might be of some interest:
> https://i.dell.com/sites/doccontent/business/solutions/engineering-docs/en/Documents/rail-rack-matrix.pdf
>
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