Cable Tester Multi-Network (USB, RJ45 and RJ11)

USB, RJ45 and RJ11 Network Cable Tester
Tests corresponding double twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and G
Judges wrong connection, short circuits, and open circuit
Cable tester with AM to BM ,AM to AM,RJ45 to RJ45 .