poe connector 1.Approval:CE,FCC,ISO9001 2.Input: 165VAC~280VAC, ... excellent performance as below:1.The power circuit has the function of Input over or under voltage, output over voltage, ... minute. Power supply lightning protection circuit has the failure alarm function and safety protection devices like insurance tube etc.5.Cooling ... at least 4 hours),Relative humidity:5% ~90%RH poe connector 24 ports