SONET Digital Hierarchy
SONET Designation SDH Designation Data Rate
OC-1
OC-3
OC-9
OC-12
OC-18
OC24
OC-36
OC-48
OC-192
STM-1
STM-3
STM-4
STM-6
STM-8
STM-12
STM-16
51.84 Mbps
155.52 Mbps
466.56 Mbps
622.08 Mbps
933.12 Mbps
1.244 Gbps
1.866 Gbps
2.488 Gbps
9.952 Gbps
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