... wrong connection, short circuit and open circuit 5, Cable Tester for RJ11, RJ12, RJ45, Cat 5e ... clarify cable, continuity, open and short. 7, Verifying Cable continuity, open, short and cross wire pair up to ... 1000ft with remote kit. 8, 9 LED lights to indicated wiring connection on both remote and master unit 9, Auto ... Package Content:1, 1 x LAN Network/Phone Cable Tester RJ11 RJ12 RJ45 Cat5 2, 1 x ...