Telephone network interface tester

Details Telephone network interface tester Telephone network interface tester

1988-04-29

1989-06-20

Schreyer, Stafford D.

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Testing of subscriber loop or terminal

379 32, H04M 124

Patent

active

048415596

ABSTRACT:
A device for interposing in a telephone service line for testing the service line and a telephone network attached to the service line. Included is a first circuit for testing the service line, a second circuit for testing the telephone network, a third circuit for providing a normal connected between the service line and the telephone network, a fourth circuit for generating a reset signal on the service line, and a fifth circuit for testing an individual handset. Connectors are provided for connecting the device in circuit between a telephone service line and a telephone network. A multiposition switch is included for switching between the first through fifth circuits.

REFERENCES:
patent: 4513176 (1985-04-01), Fostueit
patent: 4581494 (1986-04-01), Pickens

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