Slide 1 COMPUTER NETWORKS The Physical Layer Guided Transmission Data Magnetic Media Twisted Pair Coaxial Cable Fiber Optics Twisted Pair (a) Category 3 UTP. (b) Category…

Magnetic Media Floppy disk CDs Magnetic tapes Advantage High bandwidth (bulk of data) Disadvantage Delay is too long Twisted Pair Waves from different twists cancel out ,…

The Physical Layer Chapter 2 The Theoretical Basis for Data Communication Fourier Analysis Bandwidth-Limited Signals Maximum Data Rate of a Channel Bandwidth-Limited Signals…

Objectives: Chapter 2: Physical Layer Transmission media and cabling LAN Physical Layer Ethernet WAN Technologies Network Devices Guided Transmission Data Magnetic Media…

Chapter 2 The Physical Layer * The lowest layer of reference model. It defines the mechanical, electrical, and timing interfaces to the network. * BANDWIDTH AND INFORMATION…

The Physical Layer Part1 The Theoretical Basis for Data Communication Fourier Analysis Bandwidth-Limited Signals Maximum Data Rate of a Channel Bandwidth-Limited Signals…