Statements (24)
Predicate | Object |
---|---|
gptkbp:instanceOf |
telephone switch
|
gptkbp:alsoKnownAs |
gptkb:5XB_switch
|
gptkbp:capacity |
up to 10,000 lines
|
gptkbp:developedBy |
gptkb:Bell_Labs
|
gptkbp:hasComponent |
receiver
sender crossbar switch matrix line link frame marker system trunk link frame |
https://www.w3.org/2000/01/rdf-schema#label |
number five crossbar switch
|
gptkbp:introducedIn |
1948
|
gptkbp:predecessor |
panel switch
step-by-step switch |
gptkbp:replacedBy |
electronic switching system
|
gptkbp:successor |
gptkb:No._1_Electronic_Switching_System
|
gptkbp:technology |
electromechanical switch
|
gptkbp:usedFor |
telephone call switching
|
gptkbp:usedIn |
gptkb:public_switched_telephone_network
gptkb:Canada gptkb:United_States |
gptkbp:usedUntil |
1980s
|
gptkbp:bfsParent |
gptkb:Bell_System
|
gptkbp:bfsLayer |
5
|