Utility meter to telephone line interface

Details Utility meter to telephone line interface Utility meter to telephone line interface

1989-10-23

1991-05-21

Ng, Jin F.

Telephonic communications

Telephone line or system combined with diverse electrical...

To produce visual-graphic copy

379106, 379399, H04M 1100

Patent

active

050181920

ABSTRACT:
A telephone line to utility meter interface for use in connecting a telephone line pair to a plurality of utility meters, includes a weather sealed and lockable housing with a telephone line cord plug and receptacle and a terminal block disposed therein. The incoming telephone line pair may be isolated from the utility meters for testing, via the insertion of a known operating telephone having a standard telephone plug into the receptacle within the housing which is integrally molded into the terminal block. The terminal block also includes integrally molded test cable retainer. The utility meters may individually be interrogated by the aid of electrical interrogation circuitry activated by a specific electrical signal appearing on the subscriber telephone line.

REFERENCES:
patent: 4540849 (1985-09-01), Oliver
patent: 4800588 (1989-01-01), Poster, Jr.

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