ARRANGEMENT FOR INTEGRATING SWITCHING SYSTEMS OF DIFFERENT TYPES

摘要

An arrangement for integrating a switching system of the direct controlled type with a switching system of the marker controlled type having common control equipment wherein the existing linefinder groups of the direct control system are equipped with access trunks to connect concentrated traffic from lines to the central switching matrix of the marker controlled system, in the same manner as the line concentrating matrices and originating junctors function for the lines in a marker controlled system. One or several ranks of selectors and connectors also distribute traffic from central switching matrix to the lines in the same manner as the line concentrating matrices and terminating junctors function for the lines in a marker controlled system. In order that the common control features can be applied to the lines of the direct control system, the marker controlled system further is arranged to obtain the line number identity by means of detection equipment associated with the linefinders.