Centronics Parallel

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36 PIN CENTRONICS FEMALE 36 PIN CENTRONICS FEMALE at the Printer

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

Notes

  • Direction is Printer relative Computer.

Signals

  • STROBE (Strobe) active low output Notify the printer that data available on D0 o D7 are valid.
  • D0 - D7 (Data Bus) outputs Data byte send to the printer, output only in “compatible” mode and bi-directionnal in newer modes.
  • ACK (Acknoledge) active low input Notify the computer that the printer is ready to receive the next data.
  • BUSY (Busy) active low input Printer buffer full or printer busy, the computer must wait for this signal to get high again to continue sending data.
  • PE (Paper End) active high input Printer out of paper.
  • SLCT (Select Out) active high input Printer ready (On-line).
  • AUTO-FEED (Auto-Feed) active high output Printer Line feed.
  • ERROR (Error) active low input Error detected by the printer.
  • INIT (Reset) active low output Initialize the printer (reset).
  • SLCT IN (Select In) active low output Send a on-line request to the printer.

References

Category:Parallel Connectors

 

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