the AC power is present.●?AC power, the PS_ON/OFF port plus (≧ 3.0V / 2.0mA) DC signal, each voltage must have output.5. Product qualification●?We have our own factories which has a better quality control for product.●?We’re the dolby,HDMI License,HDCP Licnese membership●?We will do EMC and EMI testing in the laboratory6. Deliver,shipping and serving●?Our factory is in Shenzhen,which is easier for delivering to Shenzhen●?We use antistatic bag to proctect mainboards.● The package i