Cable Length Test:Accurately measure the cable length without calibration, and the range is 1-500 m. It can detect the cross, short circuit, and open circuit of cables. Scanning Modes:Three scanning modes can be selected: normal mode/anti-interference mode/PoE mode. Port Flashing:Through the flashing port indicator on the hub/switch, the hub flashes to locate the network port, which can quickly find the network cable on the switch/router. It can be used for 10M/100M/1000M hubs/switches. POE Test:Determine which pins are supplying power and detecting voltage, determine the type of PSE (according to/af standard), and detect the presence of AC voltage (50V-1000V). Test the physical state of STP and UTP lan cables. Cable Pressing Test:Add cable pressing function test to test whether the crystal head is pressed well.