User's 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 I Computer
2~9 DATA Printer I Computer
10 ACK¯¯¯ Printer J Computer
11 BUSY Printer J Computer
12 PE Printer J Computer
13 SELECT Printer J Computer
14 AFXT¯¯¯¯ Printer I Computer
15 Unused Unused
16 GND Printer Q Computer
17 F-GND Printer Q Computer
18 +5V Printer J Computer
19~30 GND Printer Q Computer
31 INIT¯¯¯¯ Printer I Computer
32 FAULT¯¯¯¯¯ Printer J Computer
33 GND Printer Q Computer
34 Unused Unused
35 FUSE Printer J Computer
36 SLCTIN¯¯¯¯¯¯ Printer I 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.