Dp-110 Printer Interface Connector - Epson DM-D110 Technical Reference Manual

4.3.1 DP-110 Printer Interface Connector

The printer interface connector connects a standard model DM-D110 to the printer via the DM-D
stand.
Type: D-SUB 9-pin connector (male type)
The optional stand provides the printer interface connector shown in the figure below.
4.3.1.1 Printer interface connector pin assignments
Table 1-1 Printer interface connector pin assignments
Pin Signal
Number Name
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
9 RESET
Rev. A
Signal
Function
Direction
Input Receive data from the printer (printer to host)
Output Transmit data to the printer (DM to printer)
Output Indicates whether the host is ready to receive data.
SPACE The printer is ready to receive data.
MARK The printer is not ready to receive data.
— Signal GND
Input This indicates whether the display is ready to receive data from the printer.
SPACE The printer can receive data. When the printer becomes ready to
receive data SPACE is output.
MARK The printer cannot receive data. If the printer becomes ready to
receive data, MARK is not output.
Output Reset signal to the printer (host to printer)
DM-D110 Technical Reference Guide
Hardware 4-7