User Guide User Manual

Tally Dascom 1125
51
9 Interfaces
Parallel Interface
Parallel Interface Pin Assignment
Pin Signal Name Signal Tr a n s m i s s i o n
1 STROBE¯¯¯¯¯¯ Printer  Computer
2~9 DATA Printer  Computer
10 ACK¯¯¯ Printer  Computer
11 BUSY Printer  Computer
12 PE Printer  Computer
13 SELECT Printer  Computer
14 AFXT¯¯¯¯ Printer  Computer
15 Unused Unused
16 GND Printer  Computer
17 F-GND Printer  Computer
18 +5V Printer  Computer
19~30 GND Printer  Computer
31 INIT¯¯¯¯ Printer  Computer
32 FAULT¯¯¯¯¯ Printer  Computer
33 GND Printer  Computer
34 Unused Unused
35 FUSE Printer  Computer
36 SLCTIN¯¯¯¯¯¯ Printer  Computer
Parallel Interface Connector Diagram
Note: Any external devices connected to the parallel port should not draw current exceeding 200 mA from pin
18; otherwise it may affect the printer operation.