Diagnostic method for addressing arrangement verification

Details Diagnostic method for addressing arrangement verification Diagnostic method for addressing arrangement verification

1984-10-15

1987-02-17

Smith, Jerry

Excavating

371 20, G06F 1100

Patent

active

046445404

ABSTRACT:
This disclosure teaches a diagnostic method for finding faults in a unique addressing scheme. A telecommunications system controls external devices by operating control and sense point printed wiring cards. These printed wiring cards are organized to operate when selected by a processor. Two address components select the identity of a particular printed wiring card of a number of printed wiring cards to be operated. This invention detects any addressing apparatus which is permanently active, stuck to logic one. This method operates continuously to build a table of faulty equipment indications.

REFERENCES:
patent: 4025906 (1977-05-01), Riikonen
patent: 4339801 (1982-07-01), Hosaka
patent: 4398299 (1983-08-01), Darling
patent: 4475195 (1984-10-01), Carey

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