Test cable installations up to 200 meters (656 feet). The simplest and most affordable wire-mapping device for networking cables available on the market. Use it to read the actual wiring configuration for Cat5, coaxial and modular telephone cables by comparing one transmitting end to another receiving end. Easy verification for cabling faults including discontinuity, open wires, shorts, miswiring and crossed pairs is quickly detected with the LANtest's unique LED display. Can also test the grounding. Perform all the above tests on installed cables with the included remote terminator.