... circuit 5. CE ,ROHS Usage1.Put socket connect to the power. 2.Put the host computer ... power plug into the energy saving socket master jack,then put the computer enclosure(dispaly,printer, ... light is lit,this moment the master jack and controlled jack connect the power automatically.4.Regulate set knob ... power of electric equipment on the master jack and controlled jack in 30s.SecurityCut off power supply, ...