DocumentCode
1432373
Title
The number 5 crossbar dial telephone switching system
Author
Korn, F. A. ; Ferguson, James G.
Author_Institution
Bell Telephone Laboratories, Inc., New York, N.Y.
Volume
69
Issue
8
fYear
1950
Firstpage
679
Lastpage
684
Abstract
The Number 5 Crossbar System is the newest switching system to be installed for use with dial telephones. It is capable of operation with all present local, tandem, and toll switching systems. It can be used for as few as four digits in a subscriber number, or as many as 11 digits may be used to code the called subscriber completely
Keywords
Connectors; Joining processes; Maintenance engineering; Registers; Relays; Switches; Switching systems;
fLanguage
English
Journal_Title
Electrical Engineering
Publisher
ieee
ISSN
0095-9197
Type
jour
DOI
10.1109/EE.1950.6434003
Filename
6434003
Link To Document