The Intellinet Network Solutions 5-in-1 Cable Tester is an affordable and versatile MIS tool that tests five common LAN and computer cables up to 600 ft. long: Ethernet (RJ45), 10Base, RJ11, FireWire (1394) and USB. It checks for continuity, crossover and shorting. Testing is completed with the press of a button, and LEDs indicate connections and faults of wires and pins. Designed for use with both shielded (STP) and unshielded (UTP) cables up to 180 m (600 ft.) long.