NF488 3 IN 1 POE POWER TESTER VOLTAGE CURRENT CONTINUITY DOSS NF-488Features: Test the information of the standard PoE device, such as af\at standard, power supply voltage, power supply polarity, and crossover mode. Identify the supply voltage, power supply polarity, and crossover mode of non standard PoE devices. Check the short circuit, crossover and open circuit status in the network cable with the far end. Test the power consumed by DC appliances. The loop back test function of the switch. Specification: NF 488
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NF488 3 IN 1 POE POWER TESTER VOLTAGE CURRENT CONTINUITY DOSS NF-488