... 3.Quality warranty 4.Copetitive price NETWORK CABLE TESTER JV505 Function: 1. Tester for Coaxial Cable (BNC) 2. Tester for 10-Base-T AT&T ... , ETA/TIA568, Token Ring Cable 3. Twin-end: Can Test cables of the same BNC axes and double-twisted cables 4. Tests ... , 3, 4, 5, 6, 7,8 and G 5. Judges wrong connection, short circuit, and open circuit 6. Inner packing: Poly bag ...