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To make credit card payment work, central system and charging stations must be properly configured. All charging stations must be added to the same virtual location and to the same payment cluster.
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1.1 Payment cluster
Payment cluster is a virtual category, created in the central system, because charging stations does not need to be physically on the same network or at the same space. Because it is possible that the user will need to be operating with two charging stations, the charging stations of the payment cluster should still be installed in relatively close vicinity.
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User can start charging on payment master or on the payment satellite, however authorization and actual payment can be done only on the payment master charging station.
1.2 Charging Process, Athorization and Payment
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Figure 1: LCD screen on the charging station
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