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