CMS:Strowger Step-by-Step (SXS) Switch
The third floor Strowger Step-by-Step (SXS) Switch is a Western Electric 355 A from about 1949. The museum's model is retrofitted with boxes that convert touch-tone signals to dial-pulse.
The third floor Strowger Step-by-Step (SXS) Switch is a Western Electric 355 A from about 1949. The museum's model is retrofitted with boxes that convert touch-tone signals to dial-pulse.