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an established connection. The cutoff relay was controlled by a sleeve lead that, as with the multiple switchboard, could be activated by either the originating section or the terminating. On the terminating end, the line circuit was connected to a final selector, which was used in call completion. Thus, when a call was completed to a subscriber, the final selector circuit connected to the desired line, and then performed a sleeve (busy) test. If the line was not busy, the final selector operated the cut-off relay via the sleeve lead, and proceeded

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