Parallel (PC)

Pinout

25 PIN D-SUB FEMALE at the PC.

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	PE		Paper End
13	SEL		Select
14	/AUTOFD		Autofeed
15	/ERROR		Error
16	/INIT		Initialize
17	/SELIN		Select In
18	GND		Signal Ground
19	GND		Signal Ground
20	GND		Signal Ground
21	GND		Signal Ground
22	GND		Signal Ground
23	GND		Signal Ground
24	GND		Signal Ground
25	GND		Signal Ground1

Note: Direction is Computer relative Device.

¹pin 25 is not always connected to Signal Ground on modern ECP ports (2011)

Contributions

• Joakim Ögren
• Petr Krc
• Uwe Zimmermann