Pin Assignment of the 36-pin Centronics Interface
BaseLine Print Server User Manual
B-3
B.3 Pin Assignment of the 36-pin Centronics
Interface
The Centronics interface of the print server is designed for printers
operating in IEEE 1284 "compatible mode", in Nibble mode or in
ECP mode. No 100% error-free guarantee may be granted for print
servers having a nonstandard Centronics interface. Please consult
your printer manufacturer for more information if necessary.
Pin
Assignment
Input or output
1
nStrobe
OUT
2
Data 1 (Least Significant Bit)
Bidirectional
3
Data 2
Bidirectional
4
Data 3
Bidirectional
5
Data 4
Bidirectional
6
Data 5
Bidirectional
7
Data 6
Bidirectional
8
Data 7
Bidirectional
9
Data 8 (Most Significant Bit)
Bidirectional
10
nAck
IN
11
Busy
IN
12
PError
IN
13
Select
IN
14
nAutoFd
OUT
15
Not connected
-
16
Logic Gnd
-
17
Not connected
-
18
Not connected, op 5V
-, optional external power supply from printer
