[asterisk-users] Quiet 24 port POE gig switch

[Christian Victor]

2009/2/2 Singer XJ Wang <wang at pythian.com>

> [snipped]
>
>> You can do that by using fans other than the tiny, whiney, 40mm fans
>> that vibrate at 6000 to 18,000 Hz. A couple of 80 or 120 mm muffin
>> fans at the back or front, pushing air in (hence the deep
>> dimensions), but the top and bottom would need recesses to allow
>> sufficient airflow when the positions above and below are filled.
>>
>>
> How are you getting these 80 or 120mm fans in a 1U chassis? Remember you
> got barely 45mm to play
> with at the back and front of the switch. How are you going to mount a 80mm
> or 120mm fan on there? Are you assuming that the units mounted
> above (or below) your switch is a short 1U? You can't assume that...
>

Ever heared of a centrifugal fan? ;-)

Chris
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20090202/6b19c74a/attachment.htm