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.
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