... , jumper, reverse, crossover, matching connections and cable break point for 5E/6E cable, BNC cable,USB and phone line and visually displays ... up to 1,200 meters for network cable, coaxial cable, telephone line, USB cable. The accuracy of the measurement of length and ... connection between network cable and router is good or not, and router can be live tested. Shomlin LCD network cable tester SML-8838 ...