1
No.
Signal
I/O
Contents
No.
Signal
I/O
Contents
1
PRSTB
I
Data strobe
2
PRSTB-RET
—
Connected to logic GND
3
PRDT0
I
Data 0
4
PRDT0-RET
—
Connected to logic GND
5
PRDT1
I
Data 1
6
PRDT1-RET
—
Connected to logic GND
7
PRDT2
I
Data 2
8
PRDT2-RET
—
Connected to logic GND
9
PRDT3
I
Data 3
10
PRDT3-RET
—
Connected to logic GND
11
PRDT4
I
Data 4
12
PRDT4-RET
—
Connected to logic GND
13
PRDT5
I
Data 5
14
PRDT5-RET
—
Connected to logic GND
15
PRDT6
I
Data 6
16
PRDT6-RET
—
Connected to logic GND
17
PRDT7
I
Data 7
18
PRDT7-RET
—
Connected to logic GND
19
ACKNLG
O
Data input acknowledge
20
ACKNLG-RET
—
Connected to logic GND
21
BUSY
O
Busy
22
BUSY-RET
—
Connected to logic GND
23
RINF2
O
Printer status 2
24
INPRM-RET
—
Connected to logic GND
25
SLCTIN
I
Printer select
26
INPRM
I
Reset
27
RINF1
O
Printer status 1
28
RINF3
O
Printer status 3
29
ATF
I
Paper feed request
30
GND
—
Logic GND
INTERFACE BOARDS FOR
FTP-627/637DCL/ DSL25X SERIES
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
(4) Data input signal timing
BM30B-SRDS-G-TF (
JST
)
(2) Connector pin assignment
PRDT0~7
PRSTB
BUSY
ACKNLG
t1
t3
t2
t4
t5
Data set time
PRSTB pulse width
Data hold time
PRSTB to BUSY= “H”
ACKNLG pulse time
:t1
≥
0.5
µ
sec
:t2
≥
0.5
µ
sec
:t3
≥
0.5
µ
sec
:t4
≤
0.5
µ
sec
:t5
≈
5.0
µ
sec
■
INTERFACE
1. Centronics interface
(1) Connector (CN1)
Connector part number
: BM30B-SRDS-G-TFC (JST) or equivalent
Mating connector part number : SHDR-30V-S-B (JST) or equivalent