USER’S GUIDE

INTERFACE SPECIFICATIONS

Bi-directional Parallel InterfaceInterface Connector

A shielded cable that is IEEE 1284 compliant with the following pin assignment should be used. Most standard parallel cables support bidirectional communication, but some might have incompatible pin assignments or may not be IEEE 1284 compliant.

18 15 12 9 6 3 1

36

33

30

27

24

21

19

 

 

 

 

 

Fig. A-1

Parallel Interface Connector

 

 

 

 

 

Pin Assignment

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin No.

Signal

 

 

 

 

 

Pin No.

Signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

DATA STROBE

 

19

 

Twisted pair ground

2

DATA 0

 

 

 

20

 

Twisted pair ground

3

DATA 1

 

 

 

21

 

Twisted pair ground

4

DATA 2

 

 

 

22

 

Twisted pair ground

5

DATA 3

 

 

 

23

 

Twisted pair ground

6

DATA 4

 

 

 

24

 

Twisted pair ground

7

DATA 5

 

 

 

25

 

Twisted pair ground

8

DATA 6

 

 

 

26

 

Twisted pair ground

9

DATA 7

 

 

 

27

 

Twisted pair ground

 

 

 

 

 

 

 

 

 

 

 

 

 

10

ACKNLG

 

 

 

28

 

Twisted pair ground

11

BUSY

 

 

 

29

 

Twisted pair ground

12

 

 

 

 

 

 

 

 

 

 

 

 

 

PE

 

 

 

 

 

30

 

INPUT PRIME RET

 

 

 

 

 

 

 

 

 

 

 

 

 

13

SLCT

 

 

 

 

 

31

 

INPUT PRIME

 

 

 

 

 

 

 

 

 

 

14

AUTO FEED

 

 

 

32

 

FAULT

15

N.C.

 

 

 

 

 

33

 

N.C.

16

0V

 

 

 

 

 

34

 

N.C.

17

0V

 

 

 

 

 

35

 

N.C.

18

 

 

 

 

 

 

 

 

 

 

+5V

 

 

 

 

 

36

 

SELECT IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A–8