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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 1 6 (Multiplexing) 6.1 (FDM) 6.2 (WDM) 6.3 (TDM) 6.4

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 2

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 3 ( ) (Multiplexer) (many to one) (Demultiplexer) (one to many)

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 4 ( )

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 5 6.1 (guard band) .

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 6 FDM . ( )

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 7 ( ) FDM (f1, f2, f3)

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 8 ( ) (Demultiplexing)

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 9 ( ) 1 4KHz . 20 32KHz . .

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 10 ( ) 2 100KHz . 10KHz ? (5 X 100) + (4 X 10) = 540KHz

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 11 ( ) 3 1MHz 1Mbps . FDM .

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 12 : 500Mhz 6Mhz 83 ( )

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 13 ( )

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 14 ( ) FDM AM : 10KHz FM : 200KHz TV : 6MHz 1 : 60KHz

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 15 6.2 FDM ,

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 16 ( ) WDM :

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 17 ( ) WDM .

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 18 6.3

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 19 ( ) TDM .

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 20 ( )

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 21 ( ) TDM n , n

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 22 ( ) (interleaving)

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 23 ( ) 6 TDM . 100byte/s 1 .

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 24 ( ) 7 2 100Kbps . . ? ? ? ?

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 25 ( )

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 26 (Bit stuffing) TDM 5:1 time slot 5:1 ( )

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 27 DS(Digital Signal) ( )

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 28 ( ) T ( , ) ServiceLineRate (Mbps)Voice Channels DS-1T-11.54424 DS-2 DS-2T-2 6.312 6.31296 DS-3 DS-3T-3 44.736 44.736 672 672 DS-4T-4274.1764032

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 29 ( ) T

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 30 ( ) T-1

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 31 ( ) E E T- E LineRate (Mbps)Voice Channels E-1 2.048 2.048 30 30 E-2 8.448 8.448 120 120 E-3 34.368 34.368 480 480 E-4139.2641920

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 32 ( ) TDM

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 33 TDM ISDN(Integrated Service Digital Network) SONET(Synchronous Optical Network) ATM(Asynchronous Transfer Mode) ( )

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HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 34 6.4