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Telephone network interface apparatus for interconnecting a plurality of incoming telephone lines to a plurality of subscriber premises lines and for providing demarcation points therebetween including a multi-line interface plug provided with a plurality of conductors interconnecting the multi-line

Telephone network interface apparatus for interconnecting a plurality of incoming telephone lines to a plurality of subscriber premises lines and for providing demarcation points therebetween including a multi-line interface plug provided with a plurality of conductors interconnecting the multi-line interface plug with a plurality of subscriber terminals, a multi-line interface jack mounted on a base and provided with a movable member movable into a plurality of different positions, with the movable member in one of the positions and the multi-line interface plug inserted in the multi-line interface jack, all of the plurality of subscriber lines are interconnected with all the incoming telephone lines, and with the multi-line plug removed, a demarcation point provided between one of the subscriber premises lines and one of the incoming telephone lines facilitating a determination of where a fault exists with respect to the one line and with the movable member positioned in another of the positions, a second demarcation point provided between another of the subscriber premises lines and another of the incoming telephone lines facilitating a determination of where a fault exists with respect to the other line, subscriber security means provided on the base means and operable by the subscriber to deny others except telephone company personnel access to at least a portion of the appararatus, and control means for rendering the subscriber security means inoperable by the subscriber when the movable member is in any position other than the one position.

대표청구항 ▼

Telephone network interface apparatus for interconnecting a plurality of incoming telephone lines to a plurality of subscriber premises lines and for providing demarcation points therebetween and for receiving the telephone plug of a standard operating telephone to facilitate determination of whethe

Telephone network interface apparatus for interconnecting a plurality of incoming telephone lines to a plurality of subscriber premises lines and for providing demarcation points therebetween and for receiving the telephone plug of a standard operating telephone to facilitate determination of whether faults exist on the subscriber premises lines or incoming telephone lines, said telephone plug of said standard operating telephone for being connected to a single incoming telephone line, comprising: base means; a plurality of subscriber terminals mounted on said base means for interconnection with a plurality of subscriber premises lines; a plurality of telephone company terminals mounted on said base means for interconnection with a plurality of incoming telephone lines; a multi-line interface plug provided with a plurality of conductors interconnecting said multi-line interface plug with said plurality of subscriber terminals; a multi-line interface jack mounted on said base means and provided with a movable member movable into a plurality of different positions, said multi-line interface jack interconnected with said plurality of incoming telephone lines; upon said movable member being in one of said positions and said multi-line interface plug being inserted in said multi-line interface jack, all of said plurality of subscriber lines being interconnected with all of said plurality of incoming telephone lines; upon said movable member being in said one position and said multi-line interface plug being removed from said multi-line interface jack, a demarcation point being provided between one of said subscriber premises lines and one of said incoming telephone lines and upon said telephone plug of said standard operating telephone being inserted in said multi-line interface jack a determination of whether a fault exists on said one subscriber premises line or said one incoming telephone line is facilitated; upon said multi-line interface plug being removed from said multi-line interface jack, and said movable member being positioned in another of said positions, a second demarcation point being provided between another of said subscriber premises lines and another of said incoming telephone lines and upon said telephone plug of said standard operating telephone being inserted in said multi-line interface jack a determination of whether a fault exists on said another subscriber premises line or said another incoming telephone line is facilitated; subscriber security means provided on said base means and operable by said subscriber to deny others except telephone company personnel access to at least said plurality of subscriber terminals, said multi-line interface plug and said multi-line interface jack; control means provided on said subscriber security means for rendering said subscriber security means inoperable by said subscriber upon said movable member being in any of said positions other than said one position and for allowing said subscriber security means to be operable by said subscriber upon said movable member being in said one position; and telephone company personnel override means mounted on said base means for permitting telephone company personnel to override said subscriber security means and provide said telephone company personnel with access to at least said multi-line interface plug and said multi-line interface jack.