Easy read correct pin configuration of 10 base T, 10 base 2, RJ45/RJ11 modular cables, 258A, TIA568A/568B, Token ring, etc. Check for cable continuity, miswiring, open, short, grounding and pin configuration. Remote terminator test the cable before or after the cable installation up to 1000ft. away. One button operation ideal for professional and do-it-yourselfer.