DIGITAL METER NF-488

1.[POE function] Test the information of standard / non-standard PoE device, such as voltage, polarity, midspan or endspan. 2.[Power & Current ] Test of real-time power, current, voltage consumed by PD devices in PoE power supply systems. 3.[Cable Continuity] Test the open, short, cross status in the network cable. 4.[Loopback] The loop test function of the switch.