Digital Data CommunicationsA non-mathematical introduction to data communications aiming to provide a solid knowledge of how modern data communications, technology operates, a grounding in how it has evolved and where this evolution is likely to take it in the future. It includes a chapter on network topologies, as well as coverage of the telephone system, modems and modem standards and local area networks. |
From inside the book
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Page 2
Jack Quinn. 1-1 both digital and data communications , two closely related branches of electronic communications that are rapidly merging into one . Chapter 1 ... Communications 1-1 DATA COMMUNICATIONS DEFINED 1-1-1 DATA VERSUS INFORMATION.
Jack Quinn. 1-1 both digital and data communications , two closely related branches of electronic communications that are rapidly merging into one . Chapter 1 ... Communications 1-1 DATA COMMUNICATIONS DEFINED 1-1-1 DATA VERSUS INFORMATION.
Page 3
... data communications . Data communications is the transfer of information that is in digital form before it enters the communications system . The ... Data Communications 1-1-2 DATA COMMUNICATIONS AND DIGITAL COMMUNICATIONS COM- PARED.
... data communications . Data communications is the transfer of information that is in digital form before it enters the communications system . The ... Data Communications 1-1-2 DATA COMMUNICATIONS AND DIGITAL COMMUNICATIONS COM- PARED.
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... data communications is a standard analog telephone circuit . Telephone companies can also supply high - speed digital circuits as media . Digital circuits are used mainly by ... data Chapter 1 11 Introduction to Data Communications.
... data communications is a standard analog telephone circuit . Telephone companies can also supply high - speed digital circuits as media . Digital circuits are used mainly by ... data Chapter 1 11 Introduction to Data Communications.
Common terms and phrases
ACIA ACIA's amplitude analog ASCII asynchronous communications bandwidth baud binary BISYNC byte of data cable called carrier Causes the modem CCITT Centronics channel chapter character character-oriented protocols clock signal communications link communications system connected control register converts Data bit data communications data compression data line data word DCE to DTE demodulator devices diagram dial DTE to DCE EBCDIC electronic equipment error Ethernet FDDI Figure frame frequency full-duplex half-duplex HDLC IEEE input intelligence signal interrupt interrupt request ISDN layer local loop logic levels loop Mb/s mode modem modem standards node office switch operate OSI Model output parity bit phase point-to-point poll printer protocol pulse modulation receiving terminal routers sampling secondary sent serial data shift register status register stop bit synchronous telephone circuit telephone line telset Token Ring topology transfer transmission types voltage