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INTERFACE
1. Centronics standard
(1) Connector
Connector part number
Mating connector part number : FCN-217Q030-G/0 (Fujitsu Components) or equivalent
(2) Connector pin assignment
No.
Signal
1
PRSTB
3
PRDT0
5
PRDT1
7
PRDT2
9
PRDT3
11
PRDT4
13
PRDT5
15
PRDT6
17
PRDT7
19
ACKNLG
21
BUSY
23
RINF2
25
SLCTIN
27
RINF1
29
ATF
Notes:
• Symbol "— —" means a negative logic signal.
• "–RET" signal is a return signal of the twisted pair cable.
• "I" or "O" means a signal direction from the interface board side.
(3) Connector pin number
FCN-215Q030-G/0 (Fujitsu
equivalent
3
1
2
FTP-623MCL400/FTP-623DCL002
: FCN-215Q030-G/0 (Fujitsu Components) or equivalent
FCN-214Q030-G/0 (Fujitsu Components) or equivalent
FCN-215Q030-G/0 (Fujitsu Components) or equivalent
I/O
Contents
I
Data strobe
I
Data 0
I
Data 1
I
Data 2
I
Data 3
I
Data 4
I
Data 5
I
Data 6
I
Data 7
O
Data input acknowledge
O
Busy
O
Printer status
I
Printer select
O
Printer status
I
Paper feed request
Components
) or
29
30
No.
Signal
I/O
2
PRSTB-RET
—
4
PRDT0-RET
—
6
PRDT1-RET
—
8
PRDT2-RET
—
10
PRDT3-RET
—
12
PRDT4-RET
—
14
PRDT5-RET
—
16
PRDT6-RET
—
18
PRDT7-RET
—
20
ACKNLG-RET
—
22
BUSY-RET
—
24
INPRM-RET
—
26
INPRM
I
28
RINF3
O
30
GND
—
(4) Data input signal timing
PRDT0~7
t1
PRSTB
t2
BUSY
t4
ACKNLG
Data set time
PRSTB pulse width
Data hold time
PRSTB to BUSY= "H"
ACKNLG pulse time
Contents
Connected to logic GND
Connected to logic GND
Connected to logic GND
Connected to logic GND
Connected to logic GND
Connected to logic GND
Connected to logic GND
Connected to logic GND
Connected to logic GND
Connected to logic GND
Connected to logic GND
Connected to logic GND
Reset
Printer status
Logic GND
t3
t5
:t1 0.5 sec
:t2 0.5 sec
:t3 0.5 sec
:t4 0.5 sec
:t5=1.0~1.5 sec
6
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