Originally Posted By Deromax
Originally Posted By Owl's_Warder
Once equipment is placed within racks, cabinets, or other types of enclosures, sufficient ambient cooling is often NOT available and the air must be circulated somehow to compensate.
IMHO, if the cabinet have rear vents at the bottom and the top, a natural draft will establish and should be enough even without fans, unless you are in tropical climate with no A/C! wink
You bring up the other factor to be mindful of with these devices. If you're in a humid climate, condensation will be a concern. That, and heat buildup are the two things to be mindful of, and both can be handled with a small fan. With condensation, keeping the air moving is the key. As the unit is cooling after powering off, the condensation forms. Then a corrosive process begins from the moisture that settles on the internal components.
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