Telecommunications

9.1 9. TELECOMMUNICATIONS AND NETWORKS

LEARNING OBJECTIVES ,[object Object],[object Object],[object Object],[object Object],9.2

TELECOMMUNICATIONS ,[object Object],[object Object],[object Object],[object Object],9.5

INFORMATION SUPERHIGHWAY ,[object Object],[object Object],[object Object],[object Object],[object Object],9.6

SYSTEM COMPONENTS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],9.7

PROTOCOL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],9.8

ANALOG SIGNAL ,[object Object],[object Object],9.9

DIGITAL SIGNAL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],9.10 0010111010011101001010101110111100100010000101111010110

COMMUNICATION CHANNELS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],9.11

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],FIBER OPTICS 9.12 SIGNAL LASER CABLE PHOTO DETECTOR SIGNAL

LOW-ORBIT SATELLITE UPLINK MICROWAVE TRANSMISSION DOWNLINK 9.13

WIRELESS TRANSMISSION TECHNOLOGIES ,[object Object],[object Object],[object Object],[object Object],9.14

WIRELESS TRANSMISSION TECHNOLOGIES ,[object Object],[object Object],[object Object],[object Object],9.15

COMMUNICATIONS CHANNELS ,[object Object],[object Object],[object Object],9.16

SPEEDS & COST OF MEDIA 9.17 MEDIUM SPEED COST TWISTED WIRE 300 bps - 10 Mbps LOW MICROWAVE 256 Kbps - 100 Mbps SATELLITE 256 Kbps - 100 Mbps COAXIAL CABLE 56 Kbps - 200 Mbps FIBER OPTICS 500 Kbps - 10 Gbps HIGH bps: BITS PER SECOND Kbps: KILOBITS PER SECOND Mbps: MEGABITS PER SECOND Gbps: GIGABITS PER SECOND

NETWORK TOPOLOGIES STAR 9.19 HOST USER USER USER USER

NETWORK TOPOLOGIES BUS 9.20 USER USER USER USER USER USER

NETWORK TOPOLOGIES RING 9.21 USER USER USER USER

LOCAL NETWORKS ,[object Object],[object Object],9.22

LOCAL AREA NETWORK (LAN) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],9.23

ELEMENTS OF A BASIC LAN ,[object Object],[object Object],[object Object],[object Object],9.23

[object Object],[object Object],[object Object],[object Object],[object Object],WIDE - AREA NETWORK (WAN) 9.24

[object Object],[object Object],ENTERPRISE NETWORKING 9.31

INTERNETWORKING ,[object Object],[object Object],9.32 NETWORK A NETWORK B NETWORK C

CONNECTIVITY ,[object Object],[object Object],[object Object],9.33

PROBLEMS POSED BY ENTERPRISE NETWORKING ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],9.40

COSTS OF CLIENT/SERVER SYSTEMS ,[object Object],[object Object],[object Object],[object Object],[object Object],9.41

SOME SOLUTIONS TO PROBLEMS ,[object Object],[object Object],[object Object],[object Object],[object Object],9.41

9.45 9. TELECOMMUNICATIONS AND NETWORKS

Telecommunications

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