Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
telephone switch
|
| gptkbp:capacity |
up to 10,000 lines
|
| gptkbp:controls |
common control
|
| gptkbp:developedBy |
gptkb:Bell_Labs
|
| https://www.w3.org/2000/01/rdf-schema#label |
No. 5 Crossbar switch
|
| gptkbp:introducedIn |
1948
|
| gptkbp:predecessor |
No. 1 Crossbar switch
|
| gptkbp:replacedBy |
electronic switching systems
|
| gptkbp:status |
obsolete
|
| gptkbp:switchingMatrix |
crossbar matrix
|
| gptkbp:technology |
electromechanical switch
|
| gptkbp:usedBy |
gptkb:AT&T
gptkb:Bell_System independent telephone companies |
| gptkbp:usedFor |
telephone exchanges
long-distance telephone switching toll switching |
| gptkbp:usedIn |
gptkb:North_America
|
| gptkbp:bfsParent |
gptkb:No._1XB_switch
|
| gptkbp:bfsLayer |
6
|