User's Manual

Tally Dascom 1140
10 Interfaces
10.1 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.
55