HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 29 ( ) T
Slide 30
HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 30 ( ) T-1
Slide 31
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
Slide 32
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) ( )
Slide 34
HANNAM UNIVERSITY Http://netwk.hannam.ac.kr 34 6.4