Network Cable Tester with IP Scanner, CAT5 CAT6 Ethernet Cable Tester, PoE Ping Test, Port Flashing, TDR Network Tester Cable Toner for RJ11 RJ45 Ethernet. PING Tester+IP Scanner This handheld Ping cable toner can be used to diagnose and maintain local area networks (Lans) running TCP/IP protocols.
