As a self-claimed network technician, I did a whole 5,000 square foot building with Ethernet Cat-6 cables almost 8 years ago. Well, since then I am glad I never had to use an ethernet cable tester but for those of you looking to save some money on this RJ-45 cable tester, you can make your own.
We are going to make DIY RJ45 Cable tester for incredible cheap.As you know cable testers are really expensive insturments and for people who always works with network it is an essential part.
I will try to help you to build one of them with basic electronic ways.

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