Epson DM-D500 Technical Reference Guide - Page 64

Y Connection, When the printer is connected via serial

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Y Connection Y connection allows to connect the customer display and cash drawer from the serial port of the computer, via the printer. In the Y connection, data flows as indicated below. Computer Transmit data from the computer Transmit data from the printer to the computer Printer DM-D500 (Display) Power supply • In the Y connection, the same data is sent from the computer to the printer as well as the customer display. • Data for the customer display and that for the printer are distinguished by the peripheral equipment com- mand of ESC/POS. • When the printer is connected via serial, the settings for communication must be the same for the computer and customer display. In addition, when turning on the power, turn on the customer display before the printer. 64

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64
Y Connection
Y connection allows to connect the customer display and cash drawer from the serial port of the computer, via
the printer. In the Y connection, data flows as indicated below.
•
In the Y connection, the same data is sent from the computer to the printer as well as the customer display.
•
Data for the customer display and that for the printer are distinguished by the peripheral equipment com-
mand of ESC/POS.
•
When the printer is connected via serial,
the settings for communication must be the same for the computer
and customer display.
In addition, when turning on the power, turn on the customer display before the printer.
Power
supply
Printer
DM-D500
Transmit data from the computer
Transmit data from the printer to the computer
(Display)
Computer