Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb: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 |
| gptkbp:introducedIn |
1948
|
| gptkbp:predecessor |
panel switch
step-by-step switch |
| gptkbp:replacedBy |
gptkb:electronic_switching_system
|
| gptkbp:successor |
gptkb:No._1_Electronic_Switching_System
|
| gptkbp:technology |
gptkb: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
|
| https://www.w3.org/2000/01/rdf-schema#label |
number five crossbar switch
|