... 3.One way output: 15.4W 4.Approval: CE,FCC,ISO9001 poeFeatures and functions poe PROCET PT-PSE401 is a four ports concentrated ... etc.5.Cooling way:air-cooled6.Sound of noise<50Db7.5 seconds after starting up a computer, normally output. Operating Environment1 ... 280VAC,47Hz~63Hz.Maximum power output: 75W. One way power output: 13.8W.Total power output has 4 circuits , each output voltage/current: -48VDC/ ...