I bought a cat5 cable at Value village. I can test it with my $3000 Fluke, but I had an idea. Take an old computer and add two nics. That's the hardware. You would plug both ends into the two nics and ...

Frennzy: "If you want to *build* a cable tester, then build one. Learn about electronics, and expected termination patterns. Learn about impedance and frequency testing. Learn how to design and build ...