DOWNLINE LOADING SYSTEM,申请号JP19890081974-传众专利搜索

DOWNLINE LOADING SYSTEM

申请公布号：JPH02259950(A)

申请号：JP19890081974

申请日期：1989.03.31

申请公布日期：1990.10.22

申请人：

TOSHIBA CORP

发明人：NAKAHARU TOSHIYUKI

分类号：G06F13/00;H04L29/14

主分类号：G06F13/00

摘要：PURPOSE:To enable the restart of downline loading even when the alternation of a master station in current use occurs by replying the alternation occurrence information of the master station in current use to a slave station for a downline loading data request from the slave station, and succeeding the downline loading with the slave station between the master station in current use after alternation based on the information. CONSTITUTION:When the alternation of the master station in current use is performed during executing the downline loading between the slave station and the master station in current use, for example, the old master station in current use(master station in current use before alternation) stores the address of a new master station(master station in current use after alternation), etc., and replies the alternation of the master station for the next downline loading request from the slave station, and also, informs the address of the new master station is current use. The slave station receiving the information transmits the next downline loading request to the new master station in current use after alternation. In such a manner, the downline loading can be restarted from the beginning.