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Interface connections – Star Micronics SP298 Series User Manual

Page 135

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132

APPENDIX

Interface Connections

Refer to the interface specifications of the host for details on connecting to its
interface connector. The following illustration shows a typical connection
configuration.

25

INIT

IN

• DIP Switch 10 = OFF

This signal not used.

• DIP Switch 10 = ON

This signal becomes reset signal. Printer is reset whenever signal is in space state
with pulse width of 1mS or more.

Pin
No.

Signal

Name

Direction

Function

13

25

1

14

1

2

3

4

6

1

2

3

4

5

6

7

8

20

F-GND

TXD

RXD

RTS

DSR

20

25

7

S-GND

DTR

INIT

Printer side

(D-sub 25 pin)

IBM PC side

3

2

7

8

6

5

1

4

F-GND

TXD

RXD

RTS

CTS

DSR

S-GND

DCD

DTR

9 pin

25 pin