Y Connection - Epson DM-D500 Technical Reference Manual

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
Printer
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
Transmit data from the computer
Transmit data from the printer to the computer
DM-D500
(Display)