The source unit has a check data unit generating at least one check datum for control data for the medical device , and a transmitting unit transmitting the control data and {HEAD ~ the check datum} to {TAIL ~ the collection unit}  
to
The source unit has a check data unit generating at least one check datum for control data for the medical device , and a transmitting unit transmitting the control data and { HEAD ~ the check datum } to { TAIL ~ the collection unit }
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 OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH