Specifications

Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEET NEXT
E
DM-D110
Specification
(STANDARD)
15 14
3.4 Printer Interface
3.4.1 Printer interface connector
The option stand provides the printer interface connector (D-SUB 9 pin Male type) as shown in Figure
3.4.1.
5
1
6
9
Figure 3.4.1 Printer Interface Connector
3.4.2 Printer interface connector signal assignments
Table 3.4.1 Connector Signal Assignments
Pin
Number
Signal
Name
Signal
Direction
Function
2 RXD Input
Receive data from the printer (printer → host)
3 TXD Output
Transmit data to the printer (DM → Printer)
4 DTR Output Indicates whether the host is ready to receive data.
[SPACE] The host is ready to receive data.
[MARK] The host is not ready to receive data.
5 GND - Signal GND
6 DSR 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 the SPACE is output.
[MARK] The printer cannot receive data. Even if the printer
becomes ready to receive data, the MARK is not output.
9 RESET Output
Reset signal to the printer (host → printer)