Rj45 / Rj11 Cable Tester Normal

An RJ45 / RJ11 cable tester is a compact network diagnostic tool used to check the continuity and wiring accuracy of Ethernet (RJ45) and telephone (RJ11) cables. It helps detect common faults such as open circuits, short circuits, crossed wires, reversed pairs, and miswiring. The device typically includes a main unit and a detachable remote unit, allowing users to test installed cables over longer distances. LED indicators display the status of each wire pair, making it easy to identify wiring problems quickly. Ideal for technicians, IT professionals, and installers, it ensures reliable network and phone connections.