A link apparatus in a node of a mulitinode, {HEAD ~ collision resolution, multiplexing communications system} connected between a microcontroller and {TAIL ~ a integrated driver} and receiver of the node for assuming some of the functions of the MCU in delivering and receiving messages to and from a signal wire communications bus 
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A link apparatus in a node of a mulitinode , { HEAD ~ collision resolution , multiplexing communications system } connected between a microcontroller and { TAIL ~ a integrated driver } and receiver of the node for assuming some of the functions of the MCU in delivering and receiving messages to and from a signal wire communications bus
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