... taken by one person 2.detect CATE/CAT6/open circuit/short circuit 3.pass the CE and ... be done by one person2.can detect the cat5, 5 E, 6 E, 7 E, coaxial cable, ... of the connection, including: open, short circuit, cross connect, reverse connect and string around3.wiring/connection error of ... (a) on every page, and determine the fault (open) distance5.with digital audio found line function (TONE SCAN ...