Network Communications Chapter 17

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Presentation transcript:

Network Communications Chapter 17 Synchronous Optical Network SONET

SONET Components Figure 17.1 Electrical to optical Converter MUX STS-1 E/O Electrical to optical Converter Optical cable Regenerator ADM ADD/DROP Multiplexer STS DEMUX Figure 17.1

SONET Data Rates Table 17.1 OC Level OC – 1 OC – 3 OC – 9 OC – 12 STS Signal STS – 1 STS – 3 STS – 9 STS – 12 STS – 18 STS – 24 STS – 36 STS – 48 STS - 192 Mux - 3 OC-1 4 OC-3 4 OC-12 4 OC-48 Data Rate Mb/s 51.84 155.52 446.56 622.08 933.12 1244.16 1866.23 2488.32 ~9600

STS – 1 Frame Format Figure 17.2

Generating STS-3 Figure 17.3

STS – 3 Frame Format Figure 17.4

Generating OC-9 Figure 17.5

Virtual Tributaries Figure 17.6

VT 1.5 Frame Format DS-1 x 28 in a OC-1 Figure 17.7

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