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1. Physical layer Interfacing
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WARNING !!! ***
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Macintosh to terminal (or other DTE device):
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E.g. to interface the IBM PC to the MAC mini-DIN:
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MC6850
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2.Analog Data, Digital Signals
PCM
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Delta Modulation (DM)
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3.4 Analog Data, Analog Signals
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Proof: DSBTC (double sideband transmitted carrier)
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Angle Modulation
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Example
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3.Hamming Example
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4.Transmission and Switching
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Circuit Switching
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Packet Switching
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Hybrid Switching
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ISDN
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Evolution of ISDN
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ISDN System Architecture
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The Digital PBX NT
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The ISDN Interface
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