Labels:text | screenshot | letter OCR: THE TRADITIONAL ANALOG WAY Public telephone network Host Analog Analog modem Host modem 33.6Kbps Full duplex - Digitdl waves Q.00- Sine waves Figure 1: The transmitting bort sends a digital bit stream (digital wowves) to the modern. The wodem, in turn, uses the digital data to modulate the analog signal (ine weaves) sent through the network. On the receiving cide, the modem demodulates the analog signal to regenerate the digital data to be delivered to the destination boa. In reality, a number of pulse code modulation (PCM) analog/digital conversions might occur within the network there use of digital carriers and switching facilities is widespread.
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