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Maintenance monitor for telephone switching systems

  • US 3,980,839 A
  • Filed: 12/09/1974
  • Issued: 09/14/1976
  • Est. Priority Date: 12/09/1974
  • Status: Expired due to Term
First Claim
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1. A data processing system for the monitoring and maintenance of an electronic switching system wherein the said processing system obtains data from said switching system indicating the present operating status of the switching system and the processing system detects and diagnoses operation errors based on the form of this said data and communicates these results to maintenance personnel, said processing system comprising:

  • a. processor means for analyzing and testing the switching system data to thereby detect and diagnose operation errors occuring in the said switching system;

    b. system controller means for controlling the nature and sequence of the analysis done by said processor means;

    c. memory means for the storage of data while it is manipulated by said processor means and system controller means and for the storage of ongoing switching system operation status;

    d. data input means includingi. input data storage means and data input control means for the inputting and temporary storage of data supplied by said switching system independent of processor control, andii. means for coupling the input data from the input data storage means to the memory means when the processor means is ready to accept new data from analysis and testing; and

    e. output means includingi. means for receiving said detected operation errors from the processor means andii. means for storing and outputting said detected operation errors.

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