Speedy Cutover Service, SXS switching cutover to ESS filmed live at Glendale CA central office, 1984
994K views • 11 years ago
AT&T Tech Channel
A 1984 AT&T film showing the live cutover of a Glendale, California central office from step-by-step switching to an electronic switching system. Installers prepare the site and then cut cables in a coordinated operation.
