High reliability and superior performance For RJ45,RJ12,RJ111.Functions:1.Can test correspondingly double-twisted cables 1,2,3,4,5,6,7,8andG,meanwhile can judge wrong connection,short circuit and open 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 BNC,ST-248 tests RJ45 and BNC.ii.Test of double-twisted cables;switch on the power ...