Lesson 1
TEXT:Data communications system
READING MATERIAL:The principle of the PCM
Lesson 2
TEXT:Interface
READING MATERIAL:OSI reference model
Lesson 3
TEXT:20-Milliampere current-loop
READING MATERIAL:Modems
Lesson 4
TEXT:Synchronous and asynchronous transmission
READING MATERIAL:Error detection techniques
Lesson 5
TEXT:Telecommunication channel
READING MATERIAL:FDM,T DM and STDM
Lesson 6
TEXT:Data communications network
READING MATERIAL:Voice metwork
Lesson 7
TEXT:Switching techniques
READING MATERIAL:Packet switching and x.25
Lesson 8
TEXT:Message switching system used in CAAC
READING MATERIAL:UMS workstation operations
Lesson 9
TEXT:TP4 packet switching system
READING MATERIAL:The virtual private network
Lesson 10
TEXT:Satellite communications
READING MATERIAL:FDMA,TDMA,SDMA and CDMA Used in satellite communications system
Lesson 11
TEXT:Hughes TES used in CAAC
READING MATERIAL:ISBN overview
Lesson 12
TEXT:Motorola trunked system used in CAAC
READING MATERIAL:Mobile communications system
Lesson 13
TEXT:DENRO ETVS system used in CAAC
READING MATERIAL:DENRO STVS Used in CAAC
Lesson 14
Lesson 15
Lesson 16
Lesson 17
Lesson 18
Lesson 19
Lesson 20
Lesson 21
Lesson 22
Appendices
References
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