The present invention is concerned with how {TAIL ~ the cascade connection} between {HEAD ~ stacked devices} is implemented and, while it is useful in the above mentioned context of computer communication networks, it is also useful in any situation where it is desired to be able to stack similar units together and connect them for intercommunication purposes 
The present invention is concerned with how { TAIL ~ the cascade connection } between { HEAD ~ stacked devices } is implemented and , while it is useful in the above mentioned context of computer communication networks , it is also useful in any situation where it is desired to be able to stack similar units together and connect them for intercommunication purposes
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