Epson TM-T20II-i ePOS-Device XML Users Manual For TM-i firmware v4.1 - Page 15
Example of data processing using the Communication Box, Service I/F.
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Example of data processing using the Communication Box Chapter 1 Overview App1 1 App2 1 The TM-Intelligent receives the barcode data scanned by the scanner. 2 The ePOS-Device Service I/F notifies App2 of the barcode data. 3 App2 acquires the barcode data and converts it to POS data. 4 App2 sends the display data to the Communication Box of the ePOS-Device Service I/F. 5 The ePOS-Device Service I/F notifies App1 that the display data is stored in the Communication Box. 6 App1 acquires the display data stored in the Communication Box. 15
15
Chapter 1
Overview
1
Example of data processing using the Communication Box
1
The TM-Intelligent receives the barcode data scanned by the scanner.
2
The ePOS-Device Service I/F notifies App2 of the barcode data.
3
App2 acquires the barcode data and converts it to POS data.
4
App2 sends the display data to the Communication Box of the ePOS-Device
Service I/F.
5
The ePOS-Device Service I/F notifies App1 that the display data is stored in the
Communication Box.
6
App1 acquires the display data stored in the Communication Box.
App1
App2