Maintenance monitor for telephone switching systems

Details Maintenance monitor for telephone switching systems Maintenance monitor for telephone switching systems

1974-12-09

1976-09-14

Olms, Douglas W.

H04M 324

Patent

active

039808394

ABSTRACT:
A data processing system for monitoring a telephone switching system comprises a microprocessor controller, random access and read only memories, and data input and error output means. The data processing system analyzes the received data to determine if the switching system is operating correctly, and if it is not outputs coded information indicating the errors discovered and methods for switching system repair.

REFERENCES:
patent: 3287703 (1966-11-01), Slotnick
patent: 3492445 (1970-01-01), Lecoanet
patent: 3573746 (1971-04-01), Robinson
patent: 3626383 (1971-12-01), Oswald
patent: 3833773 (1974-09-01), Johnson
patent: 3898395 (1975-08-01), Crosley et al.

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