Table of Contents - Chapter 5

Local Asynchronous Communication (RS-232)


5.1 Introduction 57
5.2 The Need For Asynchronous Communication 58
5.3 Using Electric Current To Send Bits 58
5.4 Standards For Communication 59
5.5 Baud Rate, Framing, And Errors 61
5.6 Half And Full Duplex Asynchronous Communication 62
5.7 Limitations Of Real Hardware 63
5.8 Hardware Bandwidth And The Transmission Of Bits 64
5.9 The Effect Of Noise On Communication 64
5.10 Significance For Data Networking 65
5.11 Summary 66
Exercises S
Exercises 67