SONET Systems CET 533. North American Digital Hierarchy and SONET TypeChannelsData Rate DS-0164 Kbits/sec DS-1241.533 Mbits/sec DS-367244.736 Mbits/sec.

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Presentation transcript:

SONET Systems CET 533

North American Digital Hierarchy and SONET TypeChannelsData Rate DS-0164 Kbits/sec DS Mbits/sec DS Mbits/sec OC-1*1 DS Mbits/sec 560 System; 560 Mbps; 8064 DS0 = 336DS1 = 12 DS3

Optical Leve l Electrical Level Line Rate (Mbps) Payload Rate (Mbps) Overhead Rate (Mbps) SDH Equival ent OC-1STS OC-3STS STM-1 OC-12STS STM-4 OC-48STS STM-16 OC-192STS STM-64 OC-768STS STM-256 SONET and SDH SONET is short for Synchronous Optical NETwork the United States version of the standard published by the American National Standards Institutue SDH is an acronym for Synchronous Digital Hierarchy international version of the standard published by the International Telecommunications Union

Segments of a SONET network Linear Topology Add / Drop Multiplexers Line/Path Terminating Element

STS Frame 90 Bytes

STS -1 Frame (9x90x8) bits/frame x8000 samples/frame = Mbps

SONET Overheads

STS-1 and its position in SPE Transport overhead includes Section and Line overheards

Section and Path Overhead Read

Line Overhead

Interleaved parity code (BIP-8) byte Applications

SONET Hierarchy - VT1.5  1.7 Mbps (equivalent to a DS1) - VT is virtual tributary (VT1.5, VT2, VT6)

SONET MUX With different Interfaces

SONET Ring Application www2.embarq.com/wholesale/socr.html Two SONET rings connected together