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The Cl N System can authorize carols locally or <br />remotely through a bank card network or oil com- <br />pany network. The diagram below shows the typical <br />data now or a fuel transaction that is authorized by a <br />bank network. The Site Controller I must be con - <br />netted to the network'hrough a CFN Neiwoik Cote - <br />troller. The Site Controller 1I inay be connected <br />through a Network Controller, or may be. connected <br />directly to the bank network. <br />Card Authorization Request <br />AeBder To+mu►atAL <br />�,,,,.-✓"'� Sd0 `of4if�Q1ler i or fi <br />L=D <br />0: <br />ecnsae <br />a <br />Notwft COntrofler <br />Bank Card �. <br />Network <br />on <br />Card Authorization Approval NotwoA conte <br />$at c*Mfo or i at U <br />P,,,,e ,`mow Completer! Transaction <br />tin <br />40 <br />SiN CO^trAlWr ! o< H <br />Network Controiiet <br />Bank Card <br />Network <br />Neterork Controdor / 1 <br />Completion Acknowledge <br />= ® <br />$ire COAVOR t i of if <br />-r- --- --- Site Controller 11 only <br />LI <br />