In the case of a data bus for several users, the users have hierarchical transmission authorizations the users are synchronized by a synchronization signal and the communication of {TAIL ~ the user} with {HEAD ~ the highest priority}, which can be emitted at regular time intervals by this user, serves as a synchronization signal 
In the case of a data bus for several users , the users have hierarchical transmission authorizations the users are synchronized by a synchronization signal and the communication of { TAIL ~ the user } with { HEAD ~ the highest priority } , which can be emitted at regular time intervals by this user , serves as a synchronization signal
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH