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Abstract

A data communication analysis and simulation tool capable of simulating in real time the transmissions and data responses of at least one line replaceable unit communicating on at least one communication bus with at least one line replaceable unit under test, comprising a computer operating under a real time operating system and having available memory and means for accepting user input, and a programmed simulator resident in said computer comprising a plurality of processes to effectuate the simulation of the transmissions and data responses of at least one line replaceable unit. The programmed simulator allocates a portion of the available memory as a shared memory segment serving as a central database and supporting inter-process communication. The programmed simulator further generates graphical and textural images in response to communicated data from the line replaceable unit under test and user input to a monitor coupled to the computer. The programmed simulator inputs digital and analog inputs and updates the data transmissions in real time, inputs communication data and outputs digital outputs in real time, and maintains data validity and freshness in real time. It allows entry of named engineering unit data to be transmitted and displays received data in engineering units. The simulator is automatically configured for transmission from user defined text file simplifying adaptation. Further, the simulator allows user defined configuration and monitor conditions to be inputed and saved by the user.

First Claim