Strumento di prova tester cavi di rete RJ45 RJ11 RJ12 CAT5 CAT6 UTP USB LAN filo Etherne
1-2-3-4-5-6 -------- (RJ12). - 2-3-3 -------------- (RJ11). This cable tester can not test any electrified product.9V reduplicated battery or AAA battery is used in this tester.Battery is advised to change if any weak light appears.