TRENDnet?s VDV & USB Cable Tester, model TC-NT3, is a comprehensive cable tester for network professionals. It accurately tests a variety of voice, data, video, and USB cables. The TC-NT3 identifies proper, severed, short circuit, and cross connected pins for cable distances of up to 300 meters (1,000 ft.). Quick Test mode issues a pass/fail for large test batches. All components fit into a convenient travel case.