Connecting The Cable; Communication Parameter - LG M4720C Owner's Manual

RS-232C 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.
If the [Set ID] menu in [Option] is set to OFF, the monitor ID value should be set between 1 and 99.

Connecting the cable

Connect the RS-232C cable as shown in the picture.
You need to purchase a cable to connect the RS-232C socket as it is not provided as the
accessory.
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.
RS-232C Cable
(not included)
PC
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 : 9600 buad Rate (UART)
► Data Length : 8 bit
► Parity Bit : None
► Stop Bit : 1bit
► Flow Control : None
► Communication Code : ASCII code
► Use a crossed (reverse) cable
Controlling the Multiple Product Controlling the Multiple Product
monitor 1
monitor 2
Monitor
3
TXDRXD
2
GND
5
DSR
6
DTR
4
CTS
8
RTS
7
D-Sub 9
(Female)
monitor 3
3-Wire Configurations (Not Standard)
PC
RXD
2
TXD
3
GND
5
DTR
4
DSR
6
RTS
7
CTS
8
D-Sub 9
(Female)
A1
A1 A1
monitor 4
Monitor
3
TXDRXD
2
GND
5
DTR
6
DSR
4
RTS
7
CTS
8
D-Sub 9
(Female)