poe connector 1.Approval:CE,FCC,ISO9001 2.Input: 165VAC~280VAC,47Hz~ ... %~90%RH3.Places that are ventilate and cool, clean, no conductive dust, no corrosive gases.4.Places without explosion hazard.Technical ... at least 4 hours),Relative humidity:5% ~90%RH poe connector 24 ports