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Glossary
Glossary–6
CTS 710 SONET Test Set User Manual
SONET
An acronym for Synchronous Optical NETwork.
SPE
An acronym for Synchronous Payload Envelope.
STE
An acronym for Section Terminating Equipment.
STS
An acronym for Synchronous Transport Signal.
STS-N
An acronym for Synchronous Transport Signal level-N (STS-1,
-3, -9, -12, -18, -24, -36, -48). The different STS-N rates (and
their optical equivalents) for the SONET Signal Hierarchy are
listed in the following table:
SONET Signal Hierarchy
Electrical Signal Optical Signal Data Rate (Mb/s)
STS-1 OC-1
51.84
STS-3 OC-3
155.52
STS-9 OC-9
466.56
STS-12 OC-12
622.08
STS-18 OC-18
933.12
STS-24 OC-24
1244.16
STS-36 OC-36
1866.24
STS-48 OC-48
2488.32
TE
An acronym for Terminal Equipment.
Glossary
Glossary–6
CTS 710 SONET Test Set User Manual
SONET
An acronym for Synchronous Optical NETwork.
SPE
An acronym for Synchronous Payload Envelope.
STE
An acronym for Section Terminating Equipment.
STS
An acronym for Synchronous Transport Signal.
STS-N
An acronym for Synchronous Transport Signal level-N (STS-1,
-3, -9, -12, -18, -24, -36, -48). The different STS-N rates (and
their optical equivalents) for the SONET Signal Hierarchy are
listed in the following table:
SONET Signal Hierarchy
Electrical Signal Optical Signal Data Rate (Mb/s)
STS-1 OC-1
51.84
STS-3 OC-3
155.52
STS-9 OC-9
466.56
STS-12 OC-12
622.08
STS-18 OC-18
933.12
STS-24 OC-24
1244.16
STS-36 OC-36
1866.24
STS-48 OC-48
2488.32
TE
An acronym for Terminal Equipment.