The data are read from the card and {TAIL ~ input} to {HEAD ~ a security module} of the apparatus 
The data are read from the card and { TAIL ~ input } to { HEAD ~ a security module } of the apparatus
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH