Rice-lake Star SP298 Series Programmers Manual User Manual download pdf (Page 16)

Interface connections

❏

Refer to the interface specifications for the host computer for details on

connecting to its interface connector. The following illustration shows a

typical connection configuration.

20 DTR OUT Indicates whether data receive from host is enabled or disabled.

DTR/DSR Communication Mode

Space when receive is enabled.

X-On/X-Off Communication Mode

Always space, except during following conditions:

• Period between reset and communication enabled

• During self-test printing and dot alignment adjustment

21 - 24 N.C. Not connected

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 mark state with pulse

width of 1mS or more.

No.

Signal

Name

Direction Function

F-GND

TXD

RXD

RTS

DSR

S-GND

DTR

INIT

Printer side

(D-sub 25 pin)

IBM PC side

F-GND

TXD

RXD

RTS

CTS

DSR

S-GND

DCD

DTR

9 pin25 pin

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 78 79

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Rice-lake Star SP298 Series Programmers Manual User Manual Page 16

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