Network Cable Tester rj45 rj11 rj12 Cable Tester
Multi-Function Cable Tester for Testing Telephone or Network Cables: For
rj-11, rj-12, rj-45, Cat5, Cat5e, TIA-568A/568B; 1, 2, 3, 4, 5, 6, 7 8 LED
lights. Powered by one 9V battery (not included).
 
Product Features
  

         
Multi-Function Cable Tester for Testing Telephone or Network Cables: For rj-11, rj-12, rj-45, Cat5, Cat5e, TIA-568A/568B; 1, 2, 3, 4, 5, 6, 7 8 LED lights. Powered by one 9V battery (not included).
         
This cable tester can test correspondingly double-twisted cables 1,2,3,4,5,6,7,8, meanwhile, can judge wrong connection, short circuit and open circuit.
         
This cable tester can not test any electrified product.
         
Test can not be done while rj45s copper screezers are not totally pressed. Any disobeys may lead to a permanent damage of the end.