Epson ES-1200C - Manual (Page 61)

Signal pin assignments
Pin
No.
1
2
3
4
5
7
9
10
11 29 BUSY
12-15 NC
16
17
18
Function
19 STROBE
m DATA0 IN/OUT
21 DATA1 IN/OUT
22 DATA2 IN/OUT
23 DATA3 IN/OUT
24 DATA4 IN/OUT
25 DATA5 IN/OUT
26 DATA6 IN/OUT
27 DATA7 IN/OUT
28 ACKNLG About a
pulse.
Low that data
has been and
that the scanner ready
to accept more data.
When this signal is hlgh,
the scanner cannot
receive data. The signal
is high:
during data entry
2) during scanning
3) when the scanner
not ready
4) when the scanner has
an error
Not used
Logical ground level
Scanner chassis ground
Not used
GND
C-GND
NC
STROBE pulse to read In
or send data. Pulse
width must be more
than 0.5 microseconds
at the
terminal.
These slgnals represent
information of bits 1 to 8
respectively. Each signal
Is at a high level when
data is logical 1 and low
when it 0.
4-6 Technical Specifications