... the connect status of STP/UTP 5E /6E cable, telephone line, BNC cable, USB signal line;2. Use crosstalk test to solve the potential ... line crystal head open point ( left, right or middle );5. Test lived router and telephone lineProduct features:1. The results display in ... the LCD directly;2. Bring RJ45,RJ11,USB,BNC ports and alligator adapter cable with RJ11port;3. When ...