Main Functions

• 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.