Instruction manual
17
2. Interface Specifications
2-1. I/O connection terminals
• Connector plug 4234-0001LCSC (manufactured by 3M)
• I/O connector signal layout
( Signal name
______________________
is Active Low)
Terminal
No.
Name Direction Description Terminal
No.
Name
1
STROBE
_________________
Input With the fall of the
command signal for reading
data, data is latched.
The pulse amplitude must
be 0.5 μs or higher.
2 Return GND
3
5
7
9
11
13
15
17
DATA 0
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
Input
Input
Input
Input
Input
Input
Input
Input
8-bit parallel data signal.
When the data is 1, "HIGH".
When 0, "LOW".
4
6
8
10
12
14
16
18
Return GND
Return GND
Return GND
Return GND
Return GND
Return GND
Return GND
Return GND
19
ACK
_________
Output Data input end signal 20 NC
21 BUSY Output Signal indicating whether
or not data is acceptable
With the fall of the
STROBE signal, data is
accepted and then becomes
Active.
22 NC
23 PE Output Paper end signal
− −
24
FEED
____________
Input Paper feed signal
− −
25
ERROR
_______________
Output Error processing signal
− −
26
RESET
_______________
Input Initialize signal
− −
27 Vcc Input +5Vdc circuit power supply 28 VP
29
31
GND Input Power supply GND 30
32
GND
33 VP Input +5Vdc printer power supply 34 VP
Note: Be sure to connect all the power-supply terminals (27 to 34.)