Centronics Interface Specifications
(Bi-directional Parallel Interface: IEEE1284 Compatible)
Modes
Compatible, Nibble, ECP
Port
Port 1
Data Length
8 bits
Transmission Direction
Unidirectional (receive only), Bidirectional
Connector Pin Numbering
Parallel interface pin numbers and signals
Pin Name of signal Signal Direction Pin Name of signal Signal Direction
No.
No.
1
STROBE
RJ Printer <-
19
SG
2
DATA1
RJ Printer <- - > 20
SG
3
DATA2
RJ Printer <- - > 21
SG
4
DATA3
RJ Printer <- - > 22
SG
5
DATA4
RJ Printer <- - > 23
SG
6
DATA5
RJ Printer <- - > 24
SG
7
DATA6
RJ Printer <- - > 25
SG
8
DATA7
RJ Printer <- - > 26
SG
9
DATA8
RJ Printer <- - > 27
SG
10
ACK
RJ Printer ->
28
SG
11
BUSY
RJ Printer ->
29
SG
12
P ERROR
RJ Printer ->
30
SG
13
SELECTED
RJ Printer ->
31
INIT
RJ Printer <-
14
AUTOFD
RJ Printer <-
32
FAULT
RJ Plotter ->
15
not used
33
not used
16
SG
34
not used
17
FG
35
not used
18
+ 5V
36
SELECTIN
RJ Printer <-
Interface Specifications
103
RJ-6000 Series USER GUIDE Basic Edition
Appendix
36
18
1
19