Recommend Rj45 Network Cable Tester

Cable Tester for RJ11, RJ45, Cat 5e, Cat 5, Cat 6, 10/100 Base-T, AT&T 258 A, TIA-568A/568B etc. Test correspondingly double-twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and Ground. Checks for open and short terminals, straight through or crossover wiring types. 9 LED lights to indicated wiring connection on both remote and master unit Grounding Test. Easy read LED display which indicates problems. Power: 9V battery (Battery not Included). Keep your network running smoothly by testing wrong connection, short circuit and open circuit. Ideal for IT enthusiasts who wish to make their own network cables.