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 (1000 ft.). Quick Test mode issues a pass/fail for large test batches. All components fit into a convenient travel case.