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Amazon.com: RJ45 Cable Tester - Network Cable Tester for LAN Phone RJ45 RJ11 RJ12 Cat5 Cat5e Cat6 Cat6a Cat7 Ethernet Cable Tester - Automatic Operation, Remote Testing - Durable and Sturdy : Electronics
Ethernet cable tester often shows cable 5 light as off. Is this normal? The cables often work with no issues. - Quora
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mykit Multi-Function Network Cable Tester RJ45 RJ11 Wire Ethernet Tracer Remote Toner Tool Kit with Bag Probe Audio Tone for LAN CAT5 CAT6 Tracker Telephone Line Finder Speed Check Home Repair: Amazon.com:
![networking - Do you need to check both ends of a network cable test tool or are they the always the same? - Super User networking - Do you need to check both ends of a network cable test tool or are they the always the same? - Super User](https://i.stack.imgur.com/z5s4t.jpg)