Title :
Use and design of 4-wire telephone trunk concentrators
Author_Institution :
Canadian National Telecommunications, Engineering Department, Toronto, Canada
fDate :
5/1/1971 12:00:00 AM
Abstract :
The paper describes the use and design of 4-wire trunk concentrators to save 4-wire facilities between two points, and gives an example of their use. The relative merits of electronic and electromechanical designs are discussed.
Keywords :
telephone switching equipment; 4-wire facilities; 4-wire trunk concentrators; common control; crosspoint; electromechanical design; electronic design; link circuits; telecommunication equipment; telephone switching equipment; trunk lines;
Journal_Title :
Electrical Engineers, Proceedings of the Institution of
DOI :
10.1049/piee.1971.0118
