Interfaces; Parallel Interface - Tally Dascom 1125 User Manual

Tally Dascom 1125

9 Interfaces

Parallel Interface

Parallel Interface Pin Assignment
Pin Signal Name
1 STROBE
2~9
10
11
12
13 SELECT
14
15 Unused
16
17
18
19~30
31
32
33
34 Unused
35
36 SLCTIN
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.
Signal Transmission
Printer f Computer
¯¯¯¯¯¯
Printer f Computer
DATA
Printer g Computer
ACK ¯¯¯
Printer g Computer
BUSY
Printer g Computer
PE
Printer g Computer
AFXT ¯¯¯¯ Printer f Computer
Printer n Computer
GND
Printer n Computer
F-GND
Printer g Computer
+5V
Printer n Computer
GND
Printer f Computer
INIT ¯¯¯¯
FAULT ¯¯¯¯¯ Printer g Computer
Printer n Computer
GND
FUSE Printer g Computer
Printer f Computer
¯¯¯¯¯¯
Unused
Unused
51