| 摘要 |
PURPOSE:To correct a program in a short time by correcting and holding the load module of a control processor when a software fault occurs or the function is changed with a communication processor and then correcting the load module of the communication processor through an IPL. CONSTITUTION:A communication processor 2 is set under a communication- enable state by applying an IPL 6 to an LM 4 via an optical transmission line 3 against the processor 2 from a control processor 1. Then the program correction of the processor 2 is required in case a software fault occurs or the function is changed with the processor 2. In this case, a part 5 of the LM 4 is changed to the processor 1 with application of a command carried out via a console 7. Thus the LM 4 of the processor 1 is held as a new program. Then the IPL 6 is applied for correction of an LM 8 of the processor 2 and a new program is obtained. In such a way, the program of the processor 2 is easily corrected in a short time.
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