| 摘要 |
PURPOSE:To provide the recovery method for the reception message capable of preventing the loss of the receive message independent of this fault when a software causes a trouble. CONSTITUTION:A line changeover device 1 which receives the message from the outside outputs the received message to two communications processors 2 and 3 comprising a master/slave system. The communications processors 2 and 3 have connection lines in central processing units 4 and 5 respectively, and controlled to be connected with a master system at all times according to a system setting state. Further, a file 6 for storing message to be connected with the stand-by central processing unit is provided in either of the central processing units 4 or 5. |
