Centronics parallel interface, Chapter 5, Optional host interfaces – Printronix P7000 H-Series Cartridge Ribbon Printer User Manual

Page 116

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116

Chapter

5

Centronics Parallel Interface

Optional Host Interfaces:

Ethernet 10/100BaseT

RS-422 Serial (not available in Taiwan)

In addition to descriptions for the multi-line interfaces, this chapter also
provides instructions for configuration of terminating resistors for the parallel
interfaces.

Centronics Parallel Interface

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

Table 5. 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

34,35,
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

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