... /UTP 5E /6E cable, telephone line, BNC cable, USB signal line;2. Use crosstalk test to solve ... . Judge the open circuit point, and the net line crystal head open point ( left, right or middle ... 2. Bring RJ45,RJ11,USB,BNC ports and alligator adapter cable with RJ11port;3. When the voltage ... . Computer, telephone, TV network line project;3. Other metal wire line engineering and maintenance;Package items utp ...