poe connector 1.Approval:CE,FCC,ISO9001 2.Input: 165VAC~280VAC,47Hz ... it is off after several seconds shows short circuit and limited flow phenomena did exit.2. After electric communication, the ... in front board is on.Daily maintenance and maintenance:Long-distance power supply poe PROCET PT- PSE2401G-T can work uninterruptedly ... at least 4 hours),Relative humidity:5% ~90%RH poe connector 24 ports