Introduction

RS232C cable Connector : 9-pin D-Sub Cable : Cross (reversed) cable

-P1-

 

-P1-

 

 

-P2-

 

-P2-

FEMALE

Rx

2

---------

>

3

Rx

FEMALE

 

Tx

3

<---------

2

Tx

 

 

Gnd

5

----------

5

Gnd

 

Connecting method

Control codes

Get control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Header

 

command

ID

DATA Length

CheckSum

 

 

 

 

 

 

 

 

0xAA

command type

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Set control

 

 

 

 

 

 

 

 

Header

0xAA

command

command

type

ID

DATA

Length

1

DATA

Value

CheckSum

commanding words

No.

command type

command

Value range

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Image 31
Samsung 400DX3, 460DX3, 460DX-3, 400DX-3 user manual Control codes