The Digitus® PoE Tester can be connected to the existing PoE device via a network cable to detect the PoE supply voltage and the PoE mode. The PoE tester display indicates the PoE mode. The PoE tester display guarantees an identification of PSE (Power Source Equipment) Endspan PoE Switch, Midspan PoE Injector or 4Pair 60 watts. Tests PoE supply voltage according to IEEE 802.3af/at PoE Plus Identifies PSE (Power Source Equipment) Endspan PoE Switch, Midspan PoE Injector or 4Pair 60 watts PoE Injector via LED display PoE Mode A: 1/2 (), 3/6 (+) PoE Mode B: 7/8 (), 4/5 (+)