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Serial Interface
The RS-232 connector on the printer side is a female, DB-9.
Pin
Direction
1
In
2
In
3
Out
5
-
6
Out
7
Out
8
In
9
Out
Note: Pin 9 is reserved for a KDU (keyboard device unit). Do not connect this pin
if you use a general host such as a PC
.
Definition
DSR
RxData
TxData
Ground
DTR
RTS
CTS
+5V
58
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