Mastech MS6813 Misuratore di cavi di rete rilevatore di linea telefonica localizzatore RJ45 101Base
(1 x MS6813 transmitter. 1 x MS6813 receive. d) Press "BNC" button on the transmitter, if coaxial cable indicator display green light, the network connection in good condition, if the indicator display red light, the network is miswired.