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36 pin CENTRONICS female connector layout
36 pin CENTRONICS female connector
One of the most used printer interfaces in the past. Now replaced by IEEE1284-B / USB.

Most newer printers are equipped with IEEE1284-B or USB interfaces

 

Pin Name Dir Description
1 /STROBE <-- Strobe
2 D0 <-> Data Bit 0
3 D1 <-> Data Bit 1
4 D2 <-> Data Bit 2
5 D3 <-> Data Bit 3
6 D4 <-> Data Bit 4
7 D5 <-> Data Bit 5
8 D6 <-> Data Bit 6
9 D7 <-> Data Bit 7
10 /ACK --> Acknowledge
11 BUSY --> Busy
12 POUT --> Paper Out
13 SEL --> Select
14 /AUTOFEED <-- Autofeed
15 n/c - Not used
16 0 V --- Logic Ground
17 CHASSIS GND --- Shield Ground
18 +5 V PULLUP --> +5 V DC (50 mA max)
19 GND --- Signal Ground (Strobe Ground)
20 GND --- Signal Ground (Data 0 Ground)
21 GND --- Signal Ground (Data 1 Ground)
22 GND --- Signal Ground (Data 2 Ground)
23 GND --- Signal Ground (Data 3 Ground)
24 GND --- Signal Ground (Data 4 Ground)
25 GND --- Signal Ground (Data 5 Ground)
26 GND --- Signal Ground (Data 6 Ground)
27 GND --- Signal Ground (Data 7 Ground)
28 GND --- Signal Ground (Acknowledge Ground)
29 GND --- Signal Ground (Busy Ground)
30 /GNDRESET --- Reset Ground
31 /RESET <-- Reset
32 /FAULT --> Fault (Low when offline)
33 0 V --- Signal Ground
34 n/c - Not used
35 +5 V --> +5 V DC
36 /SLCT IN <-- Select In (Taking low or high sets printer on line or off line respectively)

Functional Description

STROBE: Active low pulse used to transfer data into the printer. Pulse with must be between 0.5 and 500 microseconds for most printers.
Dn: Data lines, high is a one.  
ACK: Active low pulse indicates that data has been received and the printer is ready to accept more.  
BUSY: A high signal indicates that the printer cannot receive data.  
PE: A high signal indicates that the printer is out of paper (Paper End)  
SELECT OUT: A high signal indicates that the printer is on-line  
AUTO FEED: A low signal indicates to the printer that a line feed is required after each Carriage return. This signal is used as a ground line by some manufacturers.
OSCXT: A 100-200 KHz signal used by true Centronics printers only.  
+5V: +5Vdc Not provided by all manufacturers
PRIME: A low signal resets the printer to its power-up state and the printer buffer is cleared  
FAULT: A low signal indicates that the printer is in an off-line or error state  
LINE COUNT: Used by true Centronics printers only. Most of the time not used
SELECT IN: A high signal indicates to the printer that a DC1/ DC3 code is valid. This signal is used by a few manufacturers
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Эта распиновка
Источник(и) этой и дополнительной информации: Connectivity Knowledge Platform (Made IT), from Hardware Book, Peter Korsgaard, Petr Krc
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