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Analog vs. Digital Transmission - WPI

Analogvs. DigitalTransmissionCompareat two levels:1. Data|continuous(audio) (text)2. Signaling|continuouslyvaryingelectromagn eticwave |transmitwithoutregardto signalcontent Di erencein how attenuationis handled, improvingdigitaltechnology dataintegrity. Repeaterstake outcumulative problemsin easierto multiplexlargechannelcapacitieswithdigit al easyto applyencryptionto digitaldata betterintegrationif allsignalsarein , theroleplayedby phonecompaniesin datatransmission, , everyoneagreesthat ber istheway to as we prefer ber,analogcommunicationswillbe withus is characterizedby:1.

Fig 2-29 shows equipment con guration. Can also not have splitter and have a lter on each telephone line. ADSL is just a physical layer standard allowing higher speed access to telephone customers. Being upgraded to ber optics into the home. CS 513 5 week2-physcont.tex

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