PoE Tester - 

The PoE tester is a new generation of easy-to-use PoE detection adaptor, suitable for network installers, system integrators, company management information systems, and even home users to quickly identify the existence of Power over Ethernet on application network. Designed to detect whether IEEE 802.3af/at/bt and 24V voltage are running on the cable, and to identify the type of PSE (power supply equipment). Detects 48V output through mode A and mode B, and detects 24V output through mode C. Mode A (supplied on pins 4, 5, 7, 8), Mode B (supplied on pins 1, 2, 3, 6), Mode C 24V (supplied on pins 4, 5, 7, 8 ).