Table of Contents
Advertisement
Serial interface
Pin No.
Signal
Name
Direction
Function
1
GND
—
Chassisground.
2
TXD
OUT
Carries
data
fromtheprinter.
3
RXD
IN
Carriesdata to the printer.
4
RTS
OUT
On
whenthe printeris readyto
reeeivedata.
5-6
N/C
Unused.
7
GND
—
Signalground.
8-19
N/C
Unused.
20
DTR
OUT
On
whenthe printeris readyto
receivedata.
21-25
N/C
Unuswl.
110
Advertisement
Table of Contents
