... the CE and ROHS digital LCD network cable tester , multi network cable tester , network patch cable tester NS-DX Series Digital Muti- ... detect the cat5, 5 E, 6 E, 7 E, coaxial cable, telephone line fault of the connection, including: open, short circuit, cross ... wiring/connection error of orientation4.measure the cable length, show line length (a) on every page, and determine the fault (open) distance5 ...