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