... , RJ-12, RJ-45, CAT5, CAT5e, 10/100BaseT, TIA-568A/568B, AT&T 258-A RJ45 Network Cable Tester test 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 With this RJ12 Network Cable ...