Epson DM-D210 Technical Reference Guide - Page 102

Printer Interface Connector Serial: DP-210

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Printer Interface Connector (Serial): DP-210 Type: D-Sub 25-pin connector 13 1 Appendix 2 14 Pin assignments Pin Signal Number Name 1 FG 2 TXD 3 RXD 6 DSR 7 GND 20 DTR 25 RESET Signal Direction Function - Frame ground Output Receive data from the TM printer. (TM Printer -> Computer) Input Transmit data to the TM printer. (Computer -> TM Printer) Input This indicates whether the display is ready to receive data from the TM printer.  [SPACE]: The TM printer can receive data. When the TM printer becomes ready to receive data SPACE is output.  [MARK]: The TM printer cannot receive data. If the TM printer becomes ready to receive data, MARK is not output. - Signal GND Output Indicates whether the host is ready to receive data.  [SPACE]: The TM printer is ready to receive data.  [MARK]: The TM printer is not ready to receive data. Output Reset signal to the printer. (Computer -> TM Printer) 102

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102
Appendix
Printer Interface Connector (Serial): DP-210
Type: D-Sub 25-pin connector
Pin assignments
Pin
Number
Signal
Name
Signal
Direction
Function
1
FG
-
Frame ground
2
TXD
Output
Receive data from the TM printer. (TM Printer -> Computer)
3
RXD
Input
Transmit data to the TM printer. (Computer -> TM Printer)
6
DSR
Input
This indicates whether the display is ready to receive data from the TM printer.
[SPACE]: The TM printer can receive data.
When the TM printer becomes ready to receive data SPACE is output.
[MARK]: The TM printer cannot receive data.
If the TM printer becomes ready to receive data, MARK is not output.
7
GND
-
Signal GND
20
DTR
Output
Indicates whether the host is ready to receive data.
[SPACE]: The TM printer is ready to receive data.
[MARK]: The TM printer is not ready to receive data.
25
RESET
Output
Reset signal to the printer. (Computer -> TM Printer)
13
2
14
1