Easily trace and locate communications wire and cables without AC Current noise
Hub blink for locating network port by the flashing port light on Hub / Switch
PoE function: identify which pins are providing power and detect how much voltage
Identify telephone cable condition ( Tip or Ring) / polarity (anode or cathode)
Measure cable length for Lan cable and Coax cable
Check open, short, cross for Lan cable and Coax cable
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