|
gptkbp:instanceOf
|
gptkb:telecommunications_company
|
|
gptkbp:alsoKnownAs
|
gptkb:DS1
gptkb:T1_circuits
|
|
gptkbp:canBeBonded
|
multiple T1s for higher bandwidth
|
|
gptkbp:channelNumber
|
24
24 DS0 channels
|
|
gptkbp:contrastsWith
|
gptkb:E1_lines
|
|
gptkbp:dataRate
|
1.544 Mbps
|
|
gptkbp:developedBy
|
gptkb:AT&T_Bell_Laboratories
|
|
gptkbp:E1Comparison
|
E1 has 32 channels, 2.048 Mbps
|
|
gptkbp:frameBitStructure
|
192 data bits + 1 framing bit
|
|
gptkbp:frameType
|
193 bits per frame
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
T1 lines
|
|
gptkbp:legacyUse
|
still used in some rural areas
|
|
gptkbp:limitation
|
up to 1.5 miles without repeaters
|
|
gptkbp:memoryBusWidth
|
64 kbps
|
|
gptkbp:OSIModelLayer
|
data link layer
physical layer
|
|
gptkbp:partOf
|
gptkb:T-carrier_system
|
|
gptkbp:physicalLayer
|
gptkb:fiber
twisted pair copper
|
|
gptkbp:refreshRate
|
8000 frames per second
|
|
gptkbp:replacedBy
|
gptkb:Ethernet
gptkb:T3_lines
|
|
gptkbp:requires
|
CSU/DSU equipment
|
|
gptkbp:signalingType
|
gptkb:robbed-bit_signaling
|
|
gptkbp:standardizedBy
|
gptkb:Bell_Labs
1962
|
|
gptkbp:status
|
largely replaced by modern broadband
|
|
gptkbp:supportsProtocol
|
gptkb:DS1
|
|
gptkbp:technology
|
gptkb:time-division_multiplexing
|
|
gptkbp:type
|
digital
|
|
gptkbp:usedBy
|
businesses
internet service providers
telephone companies
|
|
gptkbp:usedFor
|
gptkb:ISDN_PRI
gptkb:private_branch_exchange_(PBX)_connections
internet access
digital transmission
voice communication
data communication
frame relay networks
leased line services
|
|
gptkbp:usedIn
|
gptkb:Japan
gptkb:North_America
|
|
gptkbp:YouTubeChannel
|
gptkb:DS0
|
|
gptkbp:bfsParent
|
gptkb:Frame_Relay
|
|
gptkbp:bfsLayer
|
5
|