Dascom 1125 User Guide - Manual (Page 65)

Tally Dascom 1125
51
9 Interfaces
Parallel Interface
Parallel Interface Pin Assignment
Pin Signal Name Signal Transmission
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.