Manual No. 25-ULPNR102-01; Mar, 2005LMD 1135 Laser Fixed Mount Scanner

RS232 Communications Specifications

RS232 Data Transmission Format

 

Parameter

Default

Optional Settings

Timing

Asynchronous

 

No. of Start Bits

1 bit

 

No. of Stop Bits

1 bit

1 or 2 bits

No of Data Bits

8 bit

7 or 8 bits

Parity

None

Odd / Even / None

Baud Rate

9600 baud

150 to 38,400 baud

Handshaking

None

Hardware / Software/ None

RS232 Transmit / Receive Character Format

TXD/

Start

7 or 8

Parity

RXD

Bit

LSB Data Bits MSB

Bit

RS232 Data Format

Stop

Bit

 

 

Transmit

 

Decoded Data

CR

 

 

 

Receive

 

 

ESC

 

Command

CR

 

 

 

 

 

STX

 

Command

ETX

 

 

 

 

 

 

 

 

 

RS232 Signal Level

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Signal Name

 

In / Out

 

Mark/Off

Space/On

 

TXD

 

 

Out

-5 to -15

+5 to +15

 

RXD

 

 

In

-3 to -15

+3 to +15

Connector Pin-outs

9 Pin D-Sub Female Connector (with power stereo jack)

Pin No.

Signal

Direction

1

Frame Ground

 

2

TxD

Output

3

RxD

Input

4

NC

 

5

Signal Ground

 

6

NC

 

7

CTS

Input

8

RTS

Output

9

NC

 

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Opticon LMD 1135 RS232 Communications Specifications, Connector Pin-outs, RS232 Transmit / Receive Character Format