Dascom 1225 User Guide - Manual (Page 63)

Tally Dascom 1225
49
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.
USB Interface
The USB interface conforms to the Universal Serial Bus 2.0 Specifications. It supports the Full Speed mode at
12 Mbps. It uses the “B” type USB connector.