The UNI-T UT685B Kit is a professional Time Domain Reflectometer (TDR) cable tester designed for comprehensive cable diagnostics across twisted pair (UTP/FTP/SSTP), coaxial and POE network cabling standards. It integrates RJ11, RJ45 and coax test ports to test continuity, length, wire mapping, fault location, and POE standard detection (802.3AF/AT/BT) without external adapters.
Key functional modes include:
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Cable length measurement up to 500 m with high resolution (0.33 m) and accuracy.
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Line sequence and open/short fault detection for network and telephone cables.
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Digital hunt wire tracer with remote receiver for locating and identifying cables in bundles.
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Port blink function to map ports on switches/patch panels.
Designed for field use and installation verification, the UT685B Kit improves troubleshooting efficiency for IT infrastructure, low-voltage installations, telecom setups and network maintenance tasks. Built-in protections include CE, UKCA and RoHS compliance.














