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l
Serial interface
I
I
Pin No.
Signal
Name
Direction
Function
1
GND
Chassis ground.
2
TXD
OUT
C&es
data from the printer.
3
RXD
IN
Carries data to the printer.
14
1 RTS
1 OUT
1 On when the printer is ready to 1
receive data.
t Unused.
7 -
-.'-
GND
-
8-19
N/C
20
--
DTR
OUT
I
I
I
I receive data.
I
121-25
1 N/C
1 Unused.
-
102
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