A-6 APPENDIX A: PIN ASSIGNMENTS

Table A-3 Printer Port Pin Assignments (continued)

Pin (Server

Pin (Printer

 

 

 

Interface)

Interface)

Signal

Source

Description

 

 

 

 

 

8

8

Data7

Server

Data Bit 6

9

9

Data8

Server

Data Bit 7

10

10

Acknowledge

Printer

11

11

Busy

Printer

12

12

Out of paper

Printer

13

13

SLCT

Printer

14

14

Unassigned

15

32

Error

Printer

16

31

Initialize

Printer

17

36

Unassigned

18

33

Signal ground

19

19

Signal ground

20

21

Signal ground

21

23

Signal ground

22

25

Signal ground

23-25

Signal ground

 

 

 

 

 

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