Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 403
le jack. LineB-Z04, has a multiple jack, J, on each section of the B division, ananswering jack and drop on section 3 of the B division and on sec-tion 5 of the A division. In a similar manner a schematic representation of a four-divisionboard is shown in Fig. 295, in which four lines, A-ioi,… … FIG. 296.-SCHEMATIC DIAGRAM OF DIVIDED MULTIPLE SWITCH-EOARDWITH FOUR DIVISIONS. siring a connection with another subscriber will press the buttonon his telephone corresponding to the division to which the sub-scriber wanted belongs, which will throw the drop of the callingsubscriber in the…
Telephone
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