| 摘要 |
PURPOSE:To receive a train signal message continuously for the prescribed number of times, by a reception terminal which can transmit a train signal reception request according to the train signal number information transmitted from a transmission terminal. CONSTITUTION:An address information including a train signal number information in a terminal 4A is transmitted to a nodal processor 2A, which check the adequacy and returns the transmission-enabled-response to the terminal 4A. The terminal 4A transmits the train signal message, which is received with the nodal processor 2A to store it to a memory 3B. The nodal procssor 2A transmits the transmission start signal to a nodal processor 2B and transfers the train signal message to the memory 3B. Next, the nodal processor 2B transmits the monitor information including the train signal number information to a terminal 4B, and it transmits the train signal reception request to the nodal processor 2B for the prescribed number of times according to it to receive the train signal message. |
