... RJ45,RJ12,RJ11&BNC1.Functions:1.Can test correspondingly double-twisted cables 1,2,3,4,5,6,7,8andG,meanwhile ... BNC,ST-248 tests RJ45 and BNC.ii.Test of double-twisted cables;switch on the power.(s is slow ... liaghts is on.iii.If test patch panels or wall plate outlels,two cables which can match each other( ... RJ45)will be connected to the tester.iv.If test cables of the same axes,BNC turns on when the ...