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Any trade equipment that has communication interfaces with a computer can be used to work with the program.

Commercial equipment can be conditionally divided into the following groups:

  • Fiscal registrars;
  • POS printers;
  • Printers for printing labels;
  • Electronic balance;
  • Electronic scales with label printing;
  • Barcode scanners;
  • Standalone barcode scanners (Data Collection Terminal);
  • Bank terminals;
  • Readers of magnetic strips from cards (Card readers).

According to the communication interface, the trade equipment has the following differences:

  • Communication with RS232 serial port;
  • Communication with USB port;
  • Communication using a network interface (LAN).

All these devices can be connected with the program for the output / input of data of trade operations.

Data exchange occurs by writing temporary data to a text file. This file is then processed by a scripting shell, which in turn serves as an intermediary between the program and the OLE / ACTIVE-X hardware component designed to work with this hardware.

Such a mechanism allows, on the one hand, to connect any equipment that has OLE or ACTIVE-X components in the set, on the other hand, to isolate the program flows of commercial equipment and programs, which gives high reliability of such a connection.

In addition, the use of open source scripts does not restrict users in their choice of trade equipment. An expert with sufficient qualifications can connect any additional equipment if necessary.

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connection of commercial equipment, recorders, printers as used


Software development for trade;
Supply of computer equipment with installed software;
Control and accounting systems: scales, bar code scanners, check printers and other commercial equipment.


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