Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb: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 |
| 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
|
| https://www.w3.org/2000/01/rdf-schema#label |
No. 1 ESS switch
|