| 摘要 |
A method for operating a redundant ringlike communications network, that communicates bidirectionally, includes communicating at least one primary participant and at least two secondary participants with one another by a data transmission device; communicating the secondary participants with one another directly by the data transmission device, indirectly by the primary participant and the data transmission device, or both; and exchanging by the participant the data to be exchanged between the secondary participants, between its data transmission device connections.
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