Huber Stefan Grafing

Steckeranschlüsse der Computertechnik


Druckeranschlüsse


Standard-Druckeranschluß: Parallelport an DB25-Stecker / Centronics-Buchse

Steckerbelegung:

1 2 3 4 5 6 7 8 9 10 11 12 13
\14 15 16 17 18 19 20 21 22 23 24 25/
  1. Strobe (negative-pulsed) (C.0) (=1/19)
  2. Data 0 ('1' = +12V , '0' = GND ) (A.0) (=2/20)
  3. Data 1 ('1' = +12V , '0' = GND ) (A.1) (=3/21)
  4. Data 2 ('1' = +12V , '0' = GND ) (A.2) (=4/22)
  5. Data 3 ('1' = +12V , '0' = GND ) (A.3) (=5/23)
  6. Data 4 ('1' = +12V , '0' = GND ) (A.4) (=6/24)
  7. Data 5 ('1' = +12V , '0' = GND ) (A.5) (=7/25)
  8. Data 6 ('1' = +12V , '0' = GND ) (A.6) (=8/26)
  9. Data 7 ('1' = +12V , '0' = GND ) (A.7) (=9/27)
  10. Ack (from Printer) (B.6) (=10/28)
  11. Busy (from Printer) (B.7) (=11/29)
  12. Paper-End (from Printer) (B.5) (=12)
  13. Select = Online (from Printer) (B.4) (=13)
  14. autofeed (output neg.-Flanke) (C.1) (=14)
  15. Error (from Printer / low-aktive) (B.4) (=32)
  16. Init (output neg. Flanke) (C.2) (=/)
  17. Select 2 (out low=aktiv) (C.3) (=36)
  18. GND
  19. GND
  20. GND
  21. GND
  22. GND
  23. GND
  24. GND
  25. GND
Centronics: zusätzlich
16 Logic-GND
17 Gehäuse Masse
18 teilweise +5V ext.
31 /RESET
33 0V Signalmasse
35 +5V
 Bilder der Stecker ( Numerierung mit Sicht auf Lötseite)
oben jeweils Stecker, unten Buchse

Port: LPT1: 0x378, LPT2: 0x3BC, LPT3: 0x278
Basis-Adresse+0 = Daten
Basis-Adresse+1 = Status (input)
Basis-Adresse+2 = Control
Über Baustein 8255 in der Regel programmierbar. Data = Port A, Inputs = Port C, Outputs = Port B
  • Optionale Druckeranschlüsse: