Centronics Parallel Interface - Printronix L1024 Setup 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 rear panel for connection
of a Centronics parallel interface cable. Table B–1 lists the pin assignments of the
Centronics interface connector.
Table B–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
B–2
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 32, 13
PAPER EMPTY
BUSY
Return
Chassis GND
Spares 18, 30, 31
34, 35, 36
10
28
12
11
29
17
Host I/O Interfaces