# Centronics

(at the Printer)

36 PIN CENTRONICS FEMALE at the Printer.

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)

Note: Direction is Printer relative Computer.

Contributor: Joakim Ögren, Peter Korsgaard, Petr Krc

Source:
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Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07