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Centronics parallel interface – Printronix T4204 User Manual

Page 178

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178

Chapter

4

Centronics Parallel Interface

Centronics Parallel Interface

The length of the data cable from the host computer to the printer must not
exceed 15 feet (5 meters).

Table 7. Centronics Interface Connector Pin Assignments

Input Signals

Output Signals

Miscellaneous

Signal

Pin

Signal

Pin

Signal

Pin

DATA LINE 1

Return

2
20

ACKNOWLEDGE

Return

10
28

CHASSIS GROUND

17

DATA LINE 2

Return

3
21

ONLINE

Return

13
28

GROUND

30

DATA LINE 3

Return

4
22

FAULT

Return

32
29

Spares

14

DATA LINE 4

Return

5
23

PAPER EMPTY

Return

12
28

No Connection

34,3
5, 36

DATA LINE 5

Return

6
24

BUSY

Return

11
29

+5 Volts

18

DATA LINE 6

Return

7
25

DATA LINE 7

Return

8
26

DATA LINE 8

Return

9
27

DATA STROBE

Return

1
19

PAPER

INSTRUCTION
Return

15
29

PRIME

Return

31
30