This Network Cable Tester works with RJ11, RJ12, RJ45, and BNC connections. It quickly and effectively checks for cable continuity, miswiring, open, short, straight - through or cross pinning or whether the cable was installed correctly or not. This is the ideal device for any installer!.
Network Cable Tester - RJ11, RJ12, RJ45 and BNC TL4-2262
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