This device can easily clarify cable continuity, open or short circuit. The 9 LED lights can indicate wiring connection on both remote and master unit.
Cable Tester for RJ-11, RJ-12, RJ-45, CAT5, CAT5e, 10/100 Base-T, TIA-568A / 568B, AT and T 258-A
Correspondingly double-twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and Ground
9 LED lights to indicate wiring connection on both remote and master unit
Detachable remote tester, test remote cable up to 1000ft. in length
Auto scanning function for rapid testing