Centronics Parallel Interface; Centronics Interface Connector Pin Assignments - Printronix L5000 Series Maintenance Manual

Centronics Parallel Interface

This interface enables the printer to operate with controllers designed for buffered
Centronics printers. The interface is capable of transferring up to 200,000 characters
per second. The maximum cable length from the controller (host computer) to the
printer is 15 feet.

Centronics Interface Connector Pin Assignments

The printer provides a 36–pin D–shell connector on the right side panel for
connection of a Centronics parallel interface cable. Table F–1 lists the pin
assignments of the Centronics interface connector.
Table F–1. Centronics Parallel Interface Connector Pin Assignments
Signal
DATA LINE 1
Return
DATA LINE 2
Return
DATA LINE 3
Return
DATA LINE 4
Return
DATA LINE 5
Return
DATA LINE 6
Return
DATA LINE 7
Return
DATA LINE 8
Return
PAPER INST
Return
DATA STROBE
Return
F–6
Input Signals
Pin
2
20
3
21
4
22
5
23
6
24
7
25
8
26
9
27
15
14
1
19
Output Signals
Signal Pin
ACKNOWLEDGE
Return
SELECT
PAPER EMPTY
Return
BUSY
Return
PRIME
FAULT
Reserved
Chassis GND
Spares 33, 34, 35
10
28
13
12
30
11
29
31
32
36
17
Host I/O Interfaces