Historical perspectives on the US telephone loop
- 1 March 1991
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Communications Magazine
- Vol. 29 (3) , 24-28
- https://doi.org/10.1109/35.75524
Abstract
Past activities that have produced the telephone loop design prevailing in most parts of the world today are reviewed. The discussion covers the technology on which the early subscriber loops were based, the introduction of electronics, the structure of the loop, central office power systems, and loop testing.Keywords
This publication has 3 references indexed in Scilit:
- The evolution of digital loop carrierIEEE Communications Magazine, 1991
- Simplified Transmission Engineering in Exchange Cable Plant DesignTransactions of the IRE Professional Group on Communications Systems, 1954
- The Planning of Telephone Exchange PlantsTransactions of the American Institute of Electrical Engineers, 1928