Maintenance terminal of a validation and identification unit

Details Maintenance terminal of a validation and identification unit Maintenance terminal of a validation and identification unit

1992-01-31

1993-08-31

Schreyer, Stafford

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Using portable test set

379 27, 379 29, H04M 124

Patent

active

052415813

ABSTRACT:
Maintenance terminal of a validation and identification unit defined as a tool designed to accomplish two functions allowing the local initialization of the validation and identification unit or of the adaptation unit of public modular telephones, so being not necessary for the operation system of modular telephones to call these, allowing extensive diagnosis and failure identification, also in a local mode, whenever the central processing unit be operative through the use of an interactive man-machine language.

REFERENCES:
patent: 4922516 (1990-05-01), Butler et al.

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