The Backbone of Connectivity-How Fiber Internet Actually Works A Beginner's Guide

This is an introduction to the topic of fiber internet, explaining it as the physical structure that makes up the backbone of digital connectivity. This note analyzes how information is transmitted from core, distribution, and access networks, and at the same time focuses on the most important components used in the field of fiber optics, including cables, color codes, installation methods, OTDR testing techniques, and fusion splicing.