OC-3

E719379

OC-3 is a Synchronous Optical Networking (SONET) optical carrier level that transmits data at approximately 155 Mbps, commonly used for high-capacity telecommunications links.

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Statements (47)

Predicate Object
instanceOf SONET optical carrier level
telecommunications standard
approximateDataRate 155 Mbps
bitRatePerChannel 51.84 Mbit/s per STS-1
category optical carrier
commonDeploymentEra 1990s
2000s
dataRate 155.52 Mbit/s
definedIn ANSI T1.105 NERFINISHED
ITU-T G.707 NERFINISHED
encapsulation SONET frame structure
equivalentTo STM-1
frameDuration 125 microseconds
frameRate 8000 frames per second
fullName Optical Carrier level 3 NERFINISHED
hierarchyLevel 3
higherThan OC-1
layer physical layer
lowerThan OC-12
multiplexes 3 STS-1 signals
networkType circuit-switched network
overheadRate 6.912 Mbit/s
payloadRate 148.608 Mbit/s
standardizedBy ANSI NERFINISHED
ITU-T NERFINISHED
supports ATM traffic
IP over SONET
TDM traffic
data traffic
video traffic
voice traffic
technologyGeneration first-generation SONET/SDH speeds
totalChannels 3 STS-1 channels
transmissionMedium optical fiber
usedFor Internet service provider uplinks
backbone network connections
carrier-grade transport services
enterprise WAN connections
high-capacity telecommunications links
leased line services
metropolitan area networks
usedIn SDH
SONET NERFINISHED
Synchronous Digital Hierarchy NERFINISHED
Synchronous Optical Networking NERFINISHED
carrier networks
public switched telephone network backbone

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

SONET higherRateFamily OC-3