First of all, in V2, there is only one supported communication method which is USB/RS232. In this version, all the data are structured following a specific order. The structure is different between the query of the cash register and the reply of the POS.
Following The following tables will detail the structure of data <message> including STX, ETX and LRC.
| Note |
|---|
There is no field for tickettickets, it is up to the cash register to build it on its own. |
Data structure of the cash register query
...