6.SERIAL INTERFACE

6.1Specifications

(1) Data transfer system

Asynchronous, half duplex

(2)Baud rates

1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps (Selectable by command)

(3)Serial data configuration Start bit: 1 bit

Data bit: 8 bits Fixed

Parity bit: No parity

Stop bit: 1 bit

(4)Signal polarity RS-232C

¥Mark = logic Ò1Ó (Ð3V ~ Ð12V)

¥Space = logic Ò0Ó (+3V ~ +12V)

(5)Receiving data (RD signal) RS-232C

¥Mark = logic Ò1Ó (Ð3V ~ Ð12V)

¥Space = logic Ò0Ó (+3V ~ +12V)

(6)Transmission control (TD signal)

DC1 code (11H) X-ON: Data reception is available

DC3 code (13H) X-OFF: Data reception is not available

6.2. Connector Pin Configuration

Pin No.

 

Signal

Direction

 

Function

 

Pin No. of Cable

3

 

 

TXD

Output

Transferred data

No. 2 pin of D-Sub 9 pins

6

 

 

+5V

Ñ

 

 

 

 

 

 

 

 

No connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

RXD

Input

Received data

No. 3 pin of D-Sub 9 pin

11

 

 

RTS

Input

Auto Turn On

No. 7 pin of D-Sub 9 pin

14

 

 

Ñ

Ñ

 

Communication mode setting

No. 5 pin of D-Sub 9 pin

 

 

 

 

 

 

(InfraRed or Serial)

 

 

 

 

 

 

15

 

 

GND

Ñ

 

No. 5 pin of D-Sub 9 pin

 

 

 

 

 

 

 

 

 

 

Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Printer side:

 

Connector used on StarTac (Motorola)

 

 

 

 

 

 

PC side

 

9 pin D-SUB

 

 

 

 

 

 

Cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ñ 72 Ñ

Page 74
Image 74
Citizen Systems Model CMP-10 manual Serial Interface, Pin No Signal Direction Function Pin No. of Cable