UNI-T UT685B Kit Digital Cable Tester TDR Wire Locator RJ11 RJ45 Adapter Pair Coaxial POE Network Cable Length Sequence Detector. UT685B KIT TDR Cable Tester. UT685B KIT can test various types of cables (including twisted pair cable, coaxial cable, and POE network cable): you can find the cable, detect the cable length, and line sequence, and confirm whether it is POE and POE standards.
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