Description: Cable Tester for RJ45 / RJ11 Keep your network running smoothly by testing your cables to uncover problematic shorts, open wires, crossing pairs and other wiring mishaps Use for testing your homemade Ethernet patch cables to make sure they are in working order prior to connecting to your devices Tests RJ45 cables, RJ11 telephone cables and network cables Easy to read LED display indicates problems Hand-held for portability?Detachable master/ remote unit for versatility Connect cable to both master unit and remote to test cable for problems Specification: Power supply:1x9V battery ( not included) Material:Plastic Size:100*95*30mm Following are abnormal connections: If one cable, for example cable NO.3 is open circuited, the two NO.3 lights of the main tester and remote tester will not turn on. If several cables are not connected, 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. 2and NO. 4, then displays on: Main tester: 1-2-3-4-5-6-7-8-G Remote tester: 1-4-3-2-5-6-7-8-G If two cables are short circuited, neither of the corresponding lights is on of the remote tester while main tester remains unchanged. If three cables, including three, are short circuited, none of the corresponding lights is on. If test patch panels or wall plate outlles, two cables which can match each other (RJ45) will be connected to the tester. If test cables of the same axes, BNC turns on when the cable works. 9V reduplicated battery is used in this tester. Battery is advised to change if any weak light appears.( Battery is not included.) Package Includes: 1xRJ45 RJ11 Network Tester
