25 pin Parallel Port Connector 25 pin "D" connector
Connector may be reversed depending on which side is viewed. All pins are numbered.
Pin No.	Function	Pin No.	Function
1	Strobe	14	Auto Feed
2	Data 0	15	Error
3	Data 1	16	Init
4	Data 2	17	Select In
5	Data 3	18	Ground
6	Data 4	19	Ground
7	Data 5	20	Ground
8	Data 6	21	Ground
9	Data 7	22	Ground
10	Acknowledge	23	Ground
11	Busy	24	Ground
12	Paper Empty	25	Ground
13	Select