Statements (19)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:network_protocol
|
| gptkbp:category |
gptkb:International_Standard
|
| gptkbp:connectorType |
15-pin D-subminiature connector
|
| gptkbp:dataRate |
10 Mbps
|
| gptkbp:developedBy |
gptkb:International_Telecommunication_Union
|
| https://www.w3.org/2000/01/rdf-schema#label |
X.21 protocol
|
| gptkbp:introducedIn |
1976
|
| gptkbp:relatedTo |
gptkb:X.25_protocol
|
| gptkbp:replacedBy |
modern digital protocols
|
| gptkbp:standardizedBy |
gptkb:ITU-T
|
| gptkbp:supports |
synchronous data transmission
|
| gptkbp:usedFor |
data transmission
digital signaling V.11 electrical interface |
| gptkbp:usedIn |
gptkb:Europe
gptkb:Japan leased line services |
| gptkbp:bfsParent |
gptkb:X.25_protocol
|
| gptkbp:bfsLayer |
7
|