No. 1 Electronic Switching System
GPTKB entity
Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
telephone switching system
|
| gptkbp:alsoKnownAs |
1ESS
|
| gptkbp:architecture |
centralized control
|
| gptkbp:component |
ferrite core memory
reed relays wire spring relays |
| gptkbp:controls |
stored program control
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:developedBy |
gptkb:Bell_Labs
|
| https://www.w3.org/2000/01/rdf-schema#label |
No. 1 Electronic Switching System
|
| gptkbp:introducedIn |
1965
|
| gptkbp:locationOfFirstDeployment |
gptkb:Succasunna,_New_Jersey
|
| gptkbp:replacedBy |
electromechanical switching systems
No. 5 Electronic Switching System |
| gptkbp:significance |
first large-scale stored program control telephone exchange
|
| gptkbp:technology |
electronic switching
|
| gptkbp:usedBy |
gptkb:AT&T
|
| gptkbp:usedFor |
gptkb:public_switched_telephone_network
|
| gptkbp:usedUntil |
2000s
|
| gptkbp:bfsParent |
gptkb:number_five_crossbar_switch
|
| gptkbp:bfsLayer |
6
|