_{Lecture 2}

• Data Transmission Steps
• Encoding
• Serial vs. Parallel
• Communication Software
• Modem Conversation
• Analog Transmission
• Modulation/Demodulation
• Baud vs. BPS
• Asynch vs. Synch
• > 1 Bit per Baud
• Dial-up Long Distance
• 2/4 Wire
• Narrow/Broad Band
• OSI/DOS/Netware
• Central DC Hardware
• Distributed DC Hardware
• Data Communication Software
• Communications Channels
• Protocols
• Topologies