Statements (34)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:digital_transmission_format
|
| gptkbp:application |
gptkb:ISDN
leased lines PSTN backbone |
| gptkbp:channelNumber |
E1: 32 channels
E2: 128 channels E3: 512 channels E4: 2048 channels |
| gptkbp:contrastsWith |
T-carrier (used in North America)
|
| gptkbp:dataRate |
gptkb:E1:_2.048_Mbps
E2: 8.448 Mbps E3: 34.368 Mbps E4: 139.264 Mbps |
| gptkbp:developedBy |
gptkb:European_Conference_of_Postal_and_Telecommunications_Administrations
|
| gptkbp:frameType |
E1: 32 time slots
|
| gptkbp:grapeVariety |
gptkb:E4
gptkb:E2 gptkb:E3 E1 |
| gptkbp:introducedIn |
1970s
|
| gptkbp:relatedTo |
gptkb:T-carrier
|
| gptkbp:replacedBy |
gptkb:SDH
gptkb:SONET |
| gptkbp:standardizedBy |
gptkb:ITU-T
|
| gptkbp:type |
gptkb:PCM_(Pulse_Code_Modulation)
|
| gptkbp:usedFor |
digital transmission of multiple telephone calls
|
| gptkbp:usedIn |
gptkb:Asia
gptkb:Europe telecommunications most of the world except North America |
| gptkbp:bfsParent |
gptkb:ANSI_T1.102
gptkb:G.703 |
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
E-carrier
|