Chapter 2: Physical Layer
Guide
This series of blog posts belongs to the mind map series. The textbook is a 5-day practice book for network planning designers (Zhu Xiaoping Shi You). Through mind maps, it is convenient for candidates to remember and understand the relevance of knowledge points. It is necessary to understand the knowledge points in depth. Reading the original book for 5 days training for network planners, the fourth knowledge point of the third article is the wired transmission medium, the author's knowledge level is limited, there are mistakes and omissions, I hope to point out, thank you.
2.4 Wired transmission medium
2.4.1 Coaxial cable
2.4.2 Shielded twisted pair
2.4.3 Unshielded twisted pair
2.4.4 Fiber
