. American telephone practice . CONNECTOR FIG. 517.—FIRST AND SECOND SELECTORS AND CONNECTOR AFTERPULLING SECOND DIGIT. as was the vertical magnet before. As a result of this when thefourth and last movement of the dial is made the series of impulsescoming over the vertical side of the line will actuate the verticalrelay as usual, but its action will be to cause the rotary magnet ofthe connector to attract its armature a corresponding number oftimes, thus moving the wipers around into engagement with thecontacts of the line of the subscriber desired. Assuming for the present that th
. American telephone practice . CONNECTOR FIG. 517.—FIRST AND SECOND SELECTORS AND CONNECTOR AFTERPULLING SECOND DIGIT. as was the vertical magnet before. As a result of this when thefourth and last movement of the dial is made the series of impulsescoming over the vertical side of the line will actuate the verticalrelay as usual, but its action will be to cause the rotary magnet ofthe connector to attract its armature a corresponding number oftimes, thus moving the wipers around into engagement with thecontacts of the line of the subscriber desired. Assuming for the present that this line is not busy, the connectorwipers will remain on these contacts during the conversation whichis to follow. The final impulse over the rotary side of the line fol-lowing the fourth movement of the dial will actuate the rotary relay,R2 R, which will close the circuit of the private magnet, P2 M, and AUTOMATIC SWITCH-BOARD SYSTEMS. 719 release the side switch to its third position. The connection is nowcompleted, as this last movement of the
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Keywords: ., boo, bookcentury1900, bookdecade1900, bookidamericantelepho00mill
