Understanding Data Communications: From Fundamentals to NetworkingThis expanded and completely updated edition, of the popular text reflects the major changes to communications technology since 1990. New coverage includes discussions of ATM and Frame Relay, Ethernet and Token-Ring Networks, and expanded treatment of satellite communications. There is also new material on the ATM LAN versus WAN evolution as well as new sections on LAN networking and Internetworking. Emphasis is given throughout to reflect the emergence of the Internet with timely information on TCP/IP, NetWare, and LAN applications. |
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Page 317
... equipment could be connected to the PSTN by the use of a DAA located between the ' foreign ' equipment and the telephone network . FCC equipment registration program Two key problems associated with the use of DAAS was their cost and ...
... equipment could be connected to the PSTN by the use of a DAA located between the ' foreign ' equipment and the telephone network . FCC equipment registration program Two key problems associated with the use of DAAS was their cost and ...
Page 320
... equipment and facilities . To ensure that ' foreign ' equipment has a correct level of performance , a PTT will establish an approval process similar to the previously discussed FCC Equipment Registration program . Under the PTT ...
... equipment and facilities . To ensure that ' foreign ' equipment has a correct level of performance , a PTT will establish an approval process similar to the previously discussed FCC Equipment Registration program . Under the PTT ...
Page 321
... equipment and service . The network equipment entry in Table 9.2 refers to equipment sold to communications carriers which is used by those carriers for the operation of their network . Large electronic switches , among other equipment ...
... equipment and service . The network equipment entry in Table 9.2 refers to equipment sold to communications carriers which is used by those carriers for the operation of their network . Large electronic switches , among other equipment ...
Contents
Telegraph and Telephone Operations | 7 |
Measurement Units and Media Overview | 37 |
Fundamental Data Transmission Concepts | 63 |
Copyright | |
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Common terms and phrases
acoustic coupler analog application area network ASCII AT&T bandwidth binary block bridge bytes cable capability channel character circuit communications carriers CompuServe connected connector control unit cost data communications data compression data link data rate data stream data transmission dialing display distance encoding equipment error detection Ethernet facilities fiber field file transfer flow frame relay frequency full-duplex functions half-duplex header IEEE illustrated in Figure interface inverse multiplexer ISDN ITU-T kbps layer leased line local area network mainframe computer Mbps method modulation multiplexer multiport modem operating rate packet network permits personal computer port protocol PSTN receive data remote represents resulting ring router routing sequence signal standard station switched synchronous Table technique telephone company telephone network terminal device transmission medium transmit data Tymnet vendors wire workstation