Statements (21)
Predicate | Object |
---|---|
gptkbp:instanceOf |
electronic switching system
|
gptkbp:alsoKnownAs |
gptkb:Number_One_Electronic_Switching_System
|
gptkbp:architecture |
centralized control
|
gptkbp:ceased_operations |
2000s
|
gptkbp:controlLanguage |
gptkb:Bell_System_No._1_ESS_control_language
|
gptkbp:developedBy |
gptkb:Bell_Labs
|
gptkbp:hardware |
discrete transistors
ferrite core memory reed relays |
https://www.w3.org/2000/01/rdf-schema#label |
No. 1 ESS switch
|
gptkbp:introducedIn |
1965
|
gptkbp:locationOfFirstDeployment |
gptkb:Succasunna,_New_Jersey
|
gptkbp:replacedBy |
gptkb:No._5_ESS_switch
electromechanical switching systems |
gptkbp:significance |
first large-scale electronic switching system for telephone calls
|
gptkbp:technology |
stored program control
|
gptkbp:type |
gptkb:Class_5_telephone_switch
|
gptkbp:usedBy |
gptkb:AT&T
|
gptkbp:usedIn |
telephone exchanges
|
gptkbp:bfsParent |
gptkb:Bell_System
|
gptkbp:bfsLayer |
5
|