Fujitsu FTP-627 manual Interface, Centronics interface, Connector CN1, Connector pin assignment

INTERFACE BOARDS FOR

FTP-627/637DCL/ DSL25X SERIES

■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

(2) Connector pin assignment

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

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)

PRDT0~7
t1	t3
PRSTB	t2
BUSY
	t4
ACKNLG	t5

Data set time	:t1³0.5 msec
PRSTB pulse width	:t2³0.5 msec
Data hold time	:t3³0.5 msec
PRSTB to BUSY= “H”	:t4£0.5 msec
	:t5≈5.0 msec
ACKNLG pulse time

1