Aoibox Network Cable Tester Kit with PoE NCV Detection Port Flash Length Test for CAT5 CAT6 RJ45 Cables

All‑in‑One Network Cable Diagnostic Tool: Combines multiple testing modes including continuity testing, cable scanning, length measurement, PoE verification, port flash identification, quality. 1.5–200 m High‑Precision Length Measurement: Measures Ethernet cable runs with up to 99% accuracy and instantly displays results, helping technicians locate open circuits, short circuits, or. PoE Voltage and Polarity Detection up to 60V DC: Tests standard PoE equipment following at/af standards, identifying power supply mode, voltage presence, and polarity to confirm proper power. Port Flash Identification on Active Switches: Quickly locate the correct port on connected 10M, 100M, or 1000M hubs and switches using the port flashing function, simplifying cable tracing in. NCV AC Voltage Detection 50V–1000V: Built‑in non‑contact voltage sensing alerts users to the presence of AC voltage in nearby wiring, adding an extra layer of safety when diagnosing network. Supports CAT5 CAT6 CAT6a STP and UTP Cabling: Designed for common Ethernet and telephone line testing, verifying RJ45 wiring integrity and physical cable condition during installation, repair,.