Step-by-Step Automatic Telephone Central Office

Step-by-Step Automatic Telephone Central Office

 

a telephone central office in which the switching of subscriber and connecting lines is accomplished with a low-capacity step-by-step electromechanical switch with single-motion wipers. A step-by-step automatic central office establishes both direct and indirect routes.

REFERENCES

Babitskii, I. A. Shagovye ATS. Moscow, 1940.
Markhai, E. V., and I. A. Babitskii. Avtomaticheskie telefonnyestantsii, part 1. Moscow, 1944.