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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.
• 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
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