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2 Definition of Terms / Abbreviations
The term „accounting“ is a collective term for different methods of accounting. 3 kinds of accounting are differentiated which are basically distin-
guished regarding their hardware interface and their type of usage:
2.1 Accounting via MDB interface = vending machine
All connected units which communicate via the MDB interface with the coffee machine, serve the purpose of direct vending to the end customer
and are called vending machines. In this case, the coffee machines are mainly operated in self-service.
2.2 Accounting via serial interface = external accounting
If units are connected by a serial interface, the accounting does not take place in the coffee machine but in an external unit – thus, the term exter-
nal accounting.
In case of external accounting, it is differentiated between direct and indirect accounting as well as accounting at ISB/KMT2:
Direct connection: One or more coffee machines are connected directly to a cash system/POS system
Indirect connection: One or more coffee machines are connected via an ISB (old) or a KMT2 (new) to a cash system/POS system
Stand alone at ISB/KMT2: A coffee machine is connected to an ISB (old) or a KMT2 (new) and accounting takes place there as well.
2.3 Accounting via infrared / RDA interface
Via the infrared resp. RDA interface, among others, the machine counters can be read out. By means of the counters the customer is able to compare
his turnover with the number of beverages dispensed. In contrast to accounting via vending machine resp. external accounting, adjusting and con-
trolling can here only be carried out afterwards.
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