Circuit Network Cable Tester
A network cable to be tested is connected to the 2 RJ-45 jacks. Initially, it doesn’t matter which end of the cable is connected to the RJ-45 jacks. Be sure they are completely seated into the jacks for accurate cable testing. Poorly connected cables will show a false failure.
It will help to see the intended operation of the cable tester by testing a known good cable and observing the
LEDs as the illuminated in the correct sequence. It is a good practice to do this each time the cable test is first used. Another good practice is to swap the connectors of the cable and re-run the test. This test will be more thorough and catch more difficult to detect errors.
The test begins when the push button switch is pressed and held. This powers up the tested and begins the testing cycle. It is important to hold the push button down during the entire test.
As the test runs, the LEDs will illuminate in sequence from
LED1 to LED8 for a correctly wired cable. They will blink once quickly and pause as each wire is tested. It is important to note that the LEDs sequence with a very regular pause between each wire for a correctly wired cable. Shorted wires will illuminate more than one LED in the step which has the shorted wires. A broken or disconnected wire will fail to illuminate any wire in the step which has the open or broken wire.