| 摘要 |
PROBLEM TO BE SOLVED: To attain the inspection of the parallel interface path of an information processor while automatically changing the combination of the loop of a signal only by storing the loop combination data for each number of times of the reception of inspection data from an information processor in an inspection signal looping device. SOLUTION: A signal outputted from the parallel interface of an information processor 1 through a connector 1a for external connection is returned to the parallel interface by a connected inspection signal looping device 2, and when an expected signal is returned, normality is judged in the inspection system of the parallel interface. The combination of the loop of a signal, that is, which signal line each signal outputted from the parallel interface is returned to is automatically changed so that the workability of inter-parallel interface path short-circuit check can be improved. |
