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A cable tester is a device used to verify the connectivity and performance of copper cables, including Ethernet cables, phone cables, and coaxial cables. Cable testers work by sending signals through the cable being tested and checking for any issues or faults.
There are several types of cable testers available, including:
Basic continuity testers: These check if wires are properly connected and can detect open circuits, short circuits, and crossed wires.
Wire mapping testers: These verify the proper wiring sequence, which is important for Ethernet cables.
Tone generators: These produce a tone that can be detected with a probe, making it easier to trace cables in walls, ceilings, or other hard-to-reach areas.
Certification testers: These provide more advanced testing capabilities and can verify that a cable meets specific performance criteria, such as those specified in TIA or ISO standards.
Cable testers are essential for installation and maintenance of copper cable systems, as they help ensure that cables are properly installed, grounded, and terminated. They can also help troubleshoot issues and identify problems with existing cabling.