The remote card processing unit is in {HEAD ~ communication} with {TAIL ~ a computer network} including a central computer system 
with
The remote card processing unit is in { HEAD ~ communication } with { TAIL ~ a computer network } including a central computer system
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH