Wentronic cable tester / network tester / Cable Tester for RJ11, RJ12, RJ45, ISDN, CAT5, CAT6, BNC (Accessories)
I used the network tester to check whether I have network cable placed correctly on a patch panel. It's quick and easy, if the other side is already installed. In addition, I checked my patch cords and so am actually a long-sought problem came on the