Epson DM-D500 Technical Reference Guide - Page 62

Data Flow, Stand-alone Connection

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Data Flow Stand-alone Connection In a stand-alone connection, the customer display is directly connected to the computer serial port. The printer is connected to another computer port. In the stand-alone connection, data flows as indicated below. Computer DP-501 DM-D500 (Display) Power supply Transmit data from the computer Transmit data to the computer • In the stand-alone connection, data is sent from the host computer to the customer display, and from the customer display to the host. (When 2-3 is selected in jumpers JP1 and JP2 on the DP-501) • Enabled only when the display is selected by the peripheral equipment command of ESC/POS for using user setting commands. • Settings for communication must be the same for the computer and customer display. • Data transmission from DM-D500 to a computer is disabled (default setting). It is not used by the driver either. To use this function, it must be enabled with the ESC/POS command. 62

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62
Data Flow
Stand-alone Connection
In a stand-alone connection, the customer display is directly connected to the computer serial port. The printer
is connected to another computer port. In the stand-alone connection, data flows as indicated below.
•
In the stand-alone connection, data is sent from the host computer to the customer display, and from the cus-
tomer display to the host. (When 2-3 is selected in jumpers JP1 and JP2 on the DP-501)
•
Enabled only when the display is selected by the peripheral equipment command of ESC/POS for using user
setting commands.
•
Settings for communication must be the same for the computer and customer display.
•
Data transmission from DM-D500 to a computer is disabled (default setting). It is not used by the driver
either. To use this function, it must be enabled with the ESC/POS command.
DP-501
Power
supply
DM-D500
Transmit data from the computer
Transmit data to the computer
(Display)
Computer