Tropico digital switching system
GPTKB entity
Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
digital telephone exchange
|
| gptkbp:countryOfOrigin |
gptkb:Japan
|
| gptkbp:developedBy |
gptkb:NEC_Corporation
|
| https://www.w3.org/2000/01/rdf-schema#label |
Tropico digital switching system
|
| gptkbp:introducedIn |
1970s
|
| gptkbp:manufacturer |
gptkb:NEC_Corporation
|
| gptkbp:notableFor |
early adoption of digital technology in telephony
|
| gptkbp:technology |
digital switching
|
| gptkbp:usedFor |
telephone switching
|
| gptkbp:usedIn |
private branch exchanges
public telephone networks |
| gptkbp:bfsParent |
gptkb:CPqD
|
| gptkbp:bfsLayer |
7
|