2009/2/2 Singer XJ Wang <[email protected]> > [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
_______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
