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. DP-501 Computer DM-D500 (Display) Power supply Transmit data to the computer • 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. 62