nanog mailing list archives

Re: optical gear cooling requirements


From: Rob Seastrom <rs () seastrom com>
Date: Tue, 03 Mar 2015 14:51:01 -0500


Alex Rubenstein <alex () 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.

-r



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