* Incorporates TDR Technology. * Tests for short, opens, miswires, reversal, split pairs, and shield continuity. * Built-in PORTfinder to locate corresponding sockets on hub/switch. * Calibrate Velocity Propagation ability for non-standard cables to increase measuring accuracy. * Tone generator sends signals to either all or selected pin conductors. * Test results displayed in pin-to-pin/wiremap format. * Compatible with any twisted pair of category 3/4/5 and 6 cables.