Controlling The Multiple Product; Connecting The Cable; Communication Parameter - LG M4210D-B21 User Manual

Controlling the Multiple Product

RS-232C
Use this method to connect several products to a single PC.
You can control several products at a time by connecting them to a single PC.

Connecting the cable

Connect the RS-232C cable as shown in the picture.
* The RS-232C protocol is used for communication between the PC and product. You can
turn the product on/off, select an input source or adjust the OSD menu from your PC.
Product 1
RS-232C
(CONTROL&
SERVICE)
OUT
IN
RS-232C Configurations
7-Wire Configurations (Standard RS-232C cable)
PC
RXD
2
TXD
3
GND
5
DTR
4
DSR
6
RTS
7
CTS
8
D-Sub 9
(Female)

Communication Parameter

Baud Rate : 9600buadRate (UART)
Data Length : 8bits
Parity Bit : None
Stop Bit : 1bit
Flow Control : None
Communication Code : ASCII code
Use a straight cable
Product 2
RS-232C
(CONTROL&
SERVICE)
OUT
IN
RS-232C Cable
Monitor
2
TXD
3
RXD
5
GND
4
DSR
6
DTR
7
CTS
8
RTS
D-Sub 9
(Male)
Product 3
RS-232C
(CONTROL&
SERVICE)
OUT
IN
RS-232C Cable
3-Wire Configurations (Not Standard)
PC Monitor
RXD
2
TXD
3
GND
5
DTR
4
DSR
6
RTS
7
CTS
8
D-Sub 9 D-Sub 9
(Female) (Male)
1
Product 4
RS-232C
(CONTROL&
SERVICE)
OUT
IN
RS-232C Cable
2
TXD
3
RXD
5
GND
4
DSR
6
DTR
7
CTS
8
RTS