Figure 4-4. The Centronics Input Port Pin Outs; Figure 4-5. Centronics Input From Pc Printer Port - Brainboxes PS-307 User Manual

Parallel Port PSI BOX Reference

Figure 4-4. The Centronics Input Port Pin Outs.

PIN SIGNAL DIRECTION
1 STROBE INPUT TO PSI BOX
2 DATA 0 INPUT TO PSI BOX
3 DATA 1 INPUT TO PSI BOX
4 DATA 2 INPUT TO PSI BOX
5 DATA 3 INPUT TO PSI BOX
6 DATA 4 INPUT TO PSI BOX
7 DATA 5 INPUT TO PSI BOX
8 DATA 6 INPUT TO PSI BOX
9 DATA 7 INPUT TO PSI BOX
10 ACKNOWLEDGE OUTPUT FROM PSI BOX
11 BUSY OUTPUT FROM PSI BOX
12 PE OUTPUT FROM PSI BOX PULLED to Ground
13 SELECT OUTPUT FROM PSI BOX PULLED HIGH NEW LINE
15 /ERROR OUTPUT FROM PSI BOX PULLED HIGH NEW LINE
14, 16-17 NO CONNECTION
18-25 GROUND

Figure 4-5. Centronics Input From PC Printer Port.

Chapter 4 Page 36