Network Cable Tester Ethernet Cable Tester RJ45 Cable Tester LAN Phone Line Test Tool for RJ45 RJ11 Cat5 Cat6 Cat7

The twisted pair test: Turn on the power, plug the network cable into the main tester and the remote tester respectively. If the wiring is normal, the indicator lights of the main tester and the remote tester will display the same in sequence: Main tester: 1-2-3-4-5-6-7-8-G Remote tester: 1-2-3-4-5-6-7-8-G (RJ45) 1-2-3-4-5-6 ------(RJ12) 1-2-3-4 ----------(RJ11) If the wiring is not normal, it is displayed as follows: If one cable, for example cable NO.2 is open circuited, the NO.2 lights of the main tester and remote tester will not turn on. If several cables are open circuited, several lights will not turn on respectively. If less than two cables are connected, none of the lights is on. If two ends of a cable is disordered, for example NO. 3 and NO. 5, then displays on: Main tester: 1-2-3-4-5-6-7-8-G Remote tester: 1-2-5-4-3-6-7-8-G If two cables are short circuited, neither of the corresponding lights is on of the remote tester, if three cables are short circuited, none of the corresponding lights is on, while main tester remains unchanged. Note: 9V battery (included) is used in this tester. Battery is advised to change if any weak light appears.