| 摘要 |
PURPOSE:To simplify the system by providing a transmission and reception controller to each of computers exchanging mutually a message of multi-block so as to establish a data link and omit a transmission control procedure for an open phase. CONSTITUTION:Two computers 51, 52 are formed identically, the computer 51 at the transmission side generates a message transfer request and block data is stored in a data transmission area 81. Further, a transmission controller 61 drives a data transmitter 63 to transmit a signal 106. The device 61 gives interruption to the computer 52 via a data transmission signal 94 to drive a receiver 66 and prepares the reception in a reception data area 84. Then the device 63 transmits the data from the area 81 to the computer 52 at the reception side as block data. A reception end signal 117 of the block data drives a reception controller 68 to check the data in the area 84. Then when a timer 71 is over, a transmission controller 75 controls a data transmission area 61 of the own station to permit the data transmission. |
