No. 5 Crossbar switching system

GPTKB entity

Statements (18)
Predicate Object
gptkbp:instanceOf telephone switching system
gptkbp:alsoKnownAs gptkb:5XB_switch
gptkbp:component crossbar switch
gptkbp:developedBy gptkb:Bell_Labs
https://www.w3.org/2000/01/rdf-schema#label No. 5 Crossbar switching system
gptkbp:introducedIn 1948
gptkbp:notableFeature modular design
faster call setup
improved reliability over previous systems
gptkbp:replacedBy electronic switching systems
Panel switch
gptkbp:technology electromechanical
gptkbp:usedFor telephone exchanges
local and tandem telephone switching
gptkbp:usedIn gptkb:United_States
gptkbp:usedUntil 1980s
gptkbp:bfsParent gptkb:No._4C_toll_switching_system
gptkbp:bfsLayer 6