Automatic telephony; a comprehensive treatise on automatic and semi-automatic systems (1921)
Smith, Arthur Bessey, b. 1875, Campbell, Wilson Lee · New York : McGraw-Hill · leaf 36
is the case. The first and T RUN KING 19 second levels run to the distant office to incoming connectors, while thefourthand fifth levels carry the local traffic to local connectors in thefourth and fifth hundreds. This is one way of handling such a case. The 10,000-line system may also be divided… … Fig. 19.—Ten-thousand-line, 2-office exchange. one office, and the rest in the other office. It is however, not essentialthat consecutive thousands be placed in one office. We could just aswell put the; second, fifth, ninth and any other thousands in one office,and the rest in the other. The…
Telephone
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