Star Micronics IS-NP192 Benutzerhandbuch

8

Interface:

RS-232C-level

Synchronization:

Asynchronous

Baud rate:

300, 600, 1200, 2400, 4800, 9600, 19200 BPS
(selectable)

Word length
Start bit:2

1

Data bits:

7 or 8 (selectable)

Parity bit:

Odd, even, none (selectable)

Stop bits:

More than one bit

Signal polarity
Mark:

Logical 1 (–3V to –15V)

Space:

Logical 0 (+3V to +15V)

Handshaking:

DTR, XON/XOFF

1

F - GND

—

Printer chassis ground

2

TXD

OUT

Data from printer

3

RXD

IN

Data to printer

4

RTS

OUT

Always SPACE

5

CTS

—

Not checked by printer

6

NC

Not used

7

S - GND

—

Signal ground

8 - 10

NC

Not used

11

RCH

OUT

Same signal as pin 20

12 - 19

NC

Not used

20

DTR

OUT

SPACE when printer ready to receive

21 - 25

NC

Not used