It is aof tester in the market.

It is easy to use LAN tester with wide variety of functions for fault finding and troubleshooting on IT cabling connections.

It allows determination the fault of cable, Quick and easy diagnostic of various wiring failures:

*** Crossed pairs
*** Crosstalk
*** Short-circuit
*** Mismatched pairs
*** Bad contacts
*** No shield

Advantage:
Non-destructive method to diagnose the cable connection
Easy to find out flaw of cable through tone generator.