Copper cables; internal / external telephone cables, signal and control cables, antenna cables, installation cables, data cables, industrial communication cables, railway signal cables. It continues to develop in parallel with technology advancing day by day. The development in telecom networks and the return to the cable sector were solved with fiber optic cables. Fiber optic cables; It is superior to copper cables with many features such as wide band gap, low loss, electromagnetic supply, small size and lightness.