This tester can be used to test twisted pair cables with RJ11,RJ12 or RJ45 connectors. It can test wires 1,2,3,4,5,6,7,8 and G of twisted pair cable one by one, and can be used to detect wrong connection, short circuit, and open circuit.
Features
1.Checks continuity and configuration of wiring with RJ45 plugs.
2.Tests for open circuits, shorts, miswires, reversals, and wrong connection.
3.Powered by 1 piece 6F22 battery (9V)