Appendix b: interface specifications, Serial – AMT Datasouth 4000 User Manual
Page 70
User's Guide 70
Appendix B: INTERFACE SPECIFICATIONS
This appendix presents the interface specifications of I/O ports for the printer. These specifications
include pin assignments, protocols and detailed information about how to properly interface your printer
with your host or terminal.
Serial
The RS-232 connector on the printer side is a female, DB-9.
Pin
Direction Definition
1
In
DSR
2
In
RxData
3
Out
TxData
5
-
Ground
6
Out
DTR
7
Out
RTS
8
In
CTS
9
Out
+5V
Note: Pin 9 is reserved for KDU (keyboard device unit) only, therefore do not connect this pin if you
are using a general host like a PC.
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