Cable POE Alimentación Pasiva a través de Ethernet Cable Adaptador Divisor POE RJ45 Inyector
IEEE80 2.3af allows two usages. In this way, pairs 1, and 2, and pairs 3, and 6 can be of any polarity. The standard does not allow both cases to be app. 1 pair POE Cable Adapter. Power Pin Pin: 4/5 (+), 7/8 (-).