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DB-25 Printer Port Pin Assignments
Pin
Signal Name Direction
1
-Strobe
To printer
2
+Data 0
To printer
3
+Data 1
To printer
4
+Data 2
To printer
5
+Data 3
To printer
6
+Data 4
To printer
7
+Data 5
To printer
8
+Data 6
To printer
9
+Data 7
To printer
10
- ACK
To print server
11
+ Busy
To print server
12
+ Paper End
To print server
13
+ Select
To print server
14
- Auto Feed
No connection
15
- Error
To print server
16
- Init
To printer
17
- Select
No connection
18-25
GND
Ground
Table B-8. DB-25 Printer Port Pin Assignment
B-5
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