optical gear cooling requirements

Rob Seastrom rs at seastrom.com
Tue Mar 3 19:51:01 UTC 2015

Alex Rubenstein <alex at corp.nac.net> writes:

> My question: have the
> optical folks woken up and made things cool front to back, or are
> they still in to the bottom to top world?

Unless something's changed, AT&T NEDS still reads "Systems exhausting
more than 50 W/sq ft must exhaust the air vertically.".

You can always put baffles above and beneath to channel the air
into/from your hot/cold aisles.  Makes it nice to be able to have the
connectors on whichever side is convenient.


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