Cable tester 468

Cable tester 1) Put one end of the cable into the main tester.2)Switch on the power, which works if the light flashed.3) Once switched on, LEDS of the remote tester will scan the cable accordingly. If the cable are out of work, the LEDS will ture green then red or other others, or the LEDS will not be on or be on disorderly.4) If the cables are shielded, shielding is tested when GND is turned on. If shielding is normal, the corresponding LEDS and GND will turn green. If not, the LEDS will first become green the red or will not be on at all.