PROBLEM TO BE SOLVED: To provide a topology graphic display to simplify transmission work. ;SOLUTION: This device is a topology graphic display to indicate each name of plural connected equipment and node numbers or the like on a screen and also to transmit a packet incorporating data, control information and the like to the above plural equipment. In this case, the packet to be transmitted to the plural equipment is prepared in advance for transmission as the necessity arises, wherein the packet is contained in a packet list and preserved in accordance with a sequence, and the packet is transmitted by a drug and drop of a mouse or the like.;COPYRIGHT: (C)1999,JPO
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