... visual field 61.6 x 25.2 mm)Type of Tester Cable : STP / UTP twin twisted cable, coaxial cable, telephone ... lineTester Port: Tester RJ45 master port (M), tester LOOPBACK RJ45 port (L), far-end recognizer RJ45 ... Sequence and Locating Cable Error : Check errors such as open circuit, short circuit, reverse connection, cross over or cross-talk interference.Locating ...