The nc 500 tests not only the networks and coaxial cables for correct wiring but can also determine cable lengths by using the tdr technology the device is easy to use through the illuminated touch screen display together with the accessories set nc 510 up to 8 network cables can be assigned uniquely the nc 500 can feed additional different tones in the testing leads together with the optionally available test probe 200xp these lines can be localised quickly