On-premise telephone test jack

Details On-premise telephone test jack On-premise telephone test jack

1983-05-27

1984-12-11

Schreyer, Stafford D.

17917525, 1791753R, H04M 124

Patent

active

044880111

ABSTRACT:
A telephone test jack located at a subscriber's station between a telephone company's telephone transmission line and the subscriber's telephone equipment for receiving a line cord plug of a conventional telephone set and having contact terminals for connecting the telephone set to the transmission line and switching contacts actuated by insertion of the line cord plug to disconnect the entire circuit on the subscriber's side of the test jack from the telephone line for the purpose of determining whether a malfunction is in the circuit on the subscriber's side of the test jack or in the circuit on the telephone company's side of the test jack.

REFERENCES:
patent: 4415778 (1983-11-01), Turner

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