| 摘要 |
An apparatus and a method which permits a plurality of master stations to be attached to a communications channel and to provide an arbitrating mechanism within each master by which one master station is designated as in control of the communications channel. The method overcomes the single point failure of the true master slave station by providing redundant masters. Furthermore, each station in the network is polled by a grant transmission at a constant interval of time irrespective of which master is in control of the bus to assure efficient utilization of the bus.
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