Gigabit optical-to-electrical modules must be used with Category 5e, Category 6, and Category 6e network cables
10G optical-to-electrical modules must be used with Category 7 and Category 8 10G network cables
self-loop-test-dat
https://t.me/electrodragon3/342
RJ45-DAT
fiber-optic
https://www.electrodragon.com