Tally Dascom 1140
60
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.