•PoE function: identify which pins are providing power and detect how much voltage .   

•Identify telephone cable condition ( Tip or Ring) / polarity (anode or cathode).   

•Easily trace and locate cables without AC Current noise.    

•Hub blink for locating network port by  the flashing port light on Hub / Switch.   

•Measure cable length for Lan cable and Coax cable.  

•Check open, short, cross for  Lan cable and Coax cable.