Regularly, the connection box 46 send the accumulated data in RAM memory to {TAIL ~ a storage device} in {HEAD ~ the processing unit} 48 
Regularly , the connection box 46 send the accumulated data in RAM memory to { TAIL ~ a storage device } in { HEAD ~ the processing unit } 48
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH