Crossbar Switching Systems
by Peter Walker
Peter Walker gave a talk on Crossbar switching at the THG’s AGM in 2000. He has now converted the talk into print. In this article, Peter describes the principles of Crossbar switching and the history of the system.
The restoration of a kiosk
On 9th June 1981, a red K6 was installed on the ground floor display area of the Telecom Technology Showcase in Baynard House, Blackfriars, London. Twenty years later, on 25th September 2001, it was destined for removal to a more appropriate setting, with the National Kiosk Collection at Avoncroft.
Here we describe the end of an era: The Last Call at Blackfriars...
Electromechanical switching systems
What is STROWGER?
Strowger is an electromechanical telephone switching system, known by the name Strowger in Britain and some English-speaking territories, and as 'step' or Step-by-Step (SxS) in North America.