| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a solving method easily extendable and manageable for a redundant communication network by avoiding drawbacks of conventional techniques. <P>SOLUTION: In a method for causing the redundant communication network including network subscriber apparatuses to operate, each network subscriber apparatus uses a telegram to check a network channel to which the network subscriber apparatus is connected, by itself. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
