|
gptkbp:instanceOf
|
digital transmission system
|
|
gptkbp:alternativeTo
|
gptkb:E-carrier_system
|
|
gptkbp:channelNumber
|
24 (T1)
4032 (T4)
672 (T3)
96 (T2)
|
|
gptkbp:countryOfOrigin
|
gptkb:United_States
|
|
gptkbp:dataRate
|
1.544 Mbps (T1)
274.176 Mbps (T4)
44.736 Mbps (T3)
6.312 Mbps (T2)
|
|
gptkbp:deployment
|
Chicago to St. Louis
|
|
gptkbp:developedBy
|
gptkb:Bell_Labs
|
|
gptkbp:encodes
|
pulse code modulation
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
T-carrier system
|
|
gptkbp:introducedIn
|
1962
|
|
gptkbp:marketedAs
|
gptkb:T3_line
gptkb:T1_line
|
|
gptkbp:medium
|
gptkb:Cyclops
fiber optics
twisted pair copper wires
microwave radio relay
|
|
gptkbp:refreshRate
|
8000 frames per second (T1)
|
|
gptkbp:relatedStandard
|
gptkb:ANSI_T1.102
gptkb:ITU-T_G.703
|
|
gptkbp:relatedTo
|
gptkb:E-carrier_system
digital signal hierarchy
|
|
gptkbp:replacedBy
|
gptkb:SONET
analog carrier systems
fiber optic systems
|
|
gptkbp:standardizedBy
|
gptkb:T2
gptkb:T3
gptkb:T4
T1
|
|
gptkbp:supports
|
voice channels
data channels
|
|
gptkbp:supportsProtocol
|
gptkb:DS1
gptkb:DS3
|
|
gptkbp:technology
|
gptkb:time-division_multiplexing
|
|
gptkbp:type
|
digital
|
|
gptkbp:usedBy
|
private networks
telephone companies
|
|
gptkbp:usedFor
|
leased lines
internet backbone
enterprise connectivity
digital transmission of multiple telephone calls
|
|
gptkbp:usedIn
|
gptkb:Japan
gptkb:North_America
|
|
gptkbp:usesFrameStructure
|
193 bits (T1)
|
|
gptkbp:usesSignaling
|
gptkb:robbed-bit_signaling
|
|
gptkbp:bfsParent
|
gptkb:Bell_System
|
|
gptkbp:bfsLayer
|
5
|