Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
modem
|
| gptkbp:category |
gptkb:ITU-T_recommendations
Telecommunications standards |
| gptkbp:definedIn |
gptkb:ITU-T
|
| https://www.w3.org/2000/01/rdf-schema#label |
X.21 interface
|
| gptkbp:introducedIn |
1976
|
| gptkbp:relatedTo |
gptkb:X.25_protocol
|
| gptkbp:replacedBy |
more modern interfaces such as Ethernet
|
| gptkbp:supports |
data rates up to 10 Mbps
synchronous data transmission |
| gptkbp:usedFor |
digital signaling
circuit-switched and packet-switched data transmission V.11 electrical interface |
| gptkbp:usedIn |
gptkb:Europe
gptkb:Japan public data networks |
| gptkbp:uses |
15-pin D-sub connector
|
| gptkbp:bfsParent |
gptkb:X.25_protocol
gptkb:ITU-T_Recommendation_X.25 |
| gptkbp:bfsLayer |
7
|