Epson DFX-8000 User Manual - Page 257
The column heading Direction refers to the direction of signal, flow from the printer
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Interface Specifications Pin assignments for the serial interface: I IPin Number I1 1 Signal CG T- Direction Description 1 - Printer chassis ground. 1 2 1 TXD 1 OUT I I 3 RXD IN Transmits' data for X-on/X-off. Receives data. 1 4-6 1 NC 1 - Not used. Signal (logic) ground. Not used. 1 11 ( I 12-19 DTR 1 OUT I NC - Indicates whether the printer is ready to receive input data. MARK level ,indicates printer is not ready to receive data. Not used. 1 20 1 DTR 1 OUT Same as pin 11. 121-251 NC 1 - Not used. l The column heading "Direction" refers to the direction of signal flow from the printer, 8-16 Technical Specifications
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Interface Specifications
Pin assignments for the serial interface:
Pin
I I
Number
Signal
Direction
I
1
1
CG
1
-
1
2
1
TXD
1
OUT
I
I
3
RXD
IN
1
4-6
1
NC
1
-
1
11
(
DTR
1
OUT
I
I
12-19
NC
-
1
20
1
DTR
1
OUT
121-251
NC
1
-
T-
Description
Printer chassis ground.
Transmits’ data for X-on/X-off.
Receives data.
Not used.
Signal (logic) ground.
Not used.
Indicates
whether the printer is ready to
receive input data. MARK level
,indicates
printer is not ready to receive data.
Not
used.
Same as pin
11.
Not used.
l
The column heading “Direction” refers to the direction of signal
flow from the printer,
8-16
Technical Specifications