... and superior performance For RJ45,RJ12,RJ11&BNC1.Functions:1.Can test correspondingly double-twisted cables 1,2,3,4,5,6 ... circuit.2.NS-4688tests BNC,RJH and RJ45;NS-468 tests RJ 11and RJ45;NS-468N tests Rj45 and BNC,ST-248 tests RJ45 and ... ,two cables which can match each other(eg110 P4 and RJ45)will be connected to the tester.iv.If test cables ...