Star Micronics NX-2450 manual Serialinterface, IFunction

Serialinterface

Pin Name

I

1GND

I

2 TXD

I

3

1

4RTS

5CTS

I 11 I RCH

II

20 DTR

IFunction

I

Printer chassis ground

I

Data from printer

I

Data to printer

1

Always low

LOWwhen the computer is ready to transmit data

Printer ignores this signal

Printer sets line low when ready to receive data. Same signal as pin 20

Printer sets line low when ready to Ireceive data.

I

I

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