Interfaces; Parallel Interface; Usb Interface - Tally Dascom 1225 User Manual

Tally Dascom 1225

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 F-GND
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.

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.
Signal Transmission
Printer  Computer
DATA Printer  Computer
ACK ¯¯¯ Printer  Computer
BUSY Printer  Computer
Printer  Computer
PE
Printer  Computer
AFXT ¯¯¯¯ Printer  Computer
Printer  Computer
GND
Printer  Computer
+5V Printer  Computer
Printer  Computer
GND
¯¯¯¯ INIT Printer  Computer
FAULT ¯¯¯¯¯ Printer  Computer
Printer  Computer
GND
FUSE Printer  Computer
Printer  Computer
Unused
Unused
49