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