Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
digital transmission system
|
| gptkbp:alternativeTo |
gptkb:T-carrier_systems
|
| gptkbp:developedBy |
gptkb:European_Conference_of_Postal_and_Telecommunications_Administrations
|
| gptkbp:E1Channels |
32 channels
|
| gptkbp:E1SignalingChannels |
2 channels
|
| gptkbp:E1VoiceChannels |
30 channels
|
| gptkbp:frameType |
E1: 125 microseconds
E1: 256 bits |
| https://www.w3.org/2000/01/rdf-schema#label |
E-carrier systems
|
| gptkbp:introducedIn |
1960s
|
| gptkbp:multiplexingMethod |
gptkb:time-division_multiplexing
|
| gptkbp:replacedBy |
gptkb:Synchronous_Digital_Hierarchy
fiber optic transmission |
| gptkbp:standardizedBy |
gptkb:E4
gptkb:ITU-T gptkb:E2 gptkb:E3 E1 |
| gptkbp:usedFor |
data transmission
voice transmission |
| gptkbp:usedIn |
gptkb:public_switched_telephone_network
gptkb:Asia gptkb:Europe telecommunications private branch exchange most of the world except North America |
| gptkbp:width |
gptkb:E1:_2.048_Mbps
E2: 8.448 Mbps E3: 34.368 Mbps E4: 139.264 Mbps |
| gptkbp:bfsParent |
gptkb:G.704
|
| gptkbp:bfsLayer |
6
|