Reference

External Control Device Setup

-Connect the RS-232C input jack to an external control device (such as a computer or an A/V control system) and control the Monitor’s functions externally.

-Connect the serial port of the control device to the RS-232C jack on the TV back panel.

-RS-232C connection cables are not supplied with the TV.

RS-232C Setup

RGB IN

(PC)

AUDIO IN

REMOTE

(RGB/DVI)

CONTROL IN

RS-232C IN

(CONTROL & SERVICE)

PC

Type of Connector; D-Sub 9-Pin Male

No. Pin Name

1No connection

2RXD (Receive data)

3TXD (Transmit data)

4DTR (DTE side ready)

5GND

6DSR (DCE side ready)

7RTS (Ready to send)

8CTS (Clear to send)

9No Connection

1

5

9

6

RS-232C Configurations

 

7-Wire Configurations

 

 

3-Wire Configurations

 

(Serial female-female NULL modem cable)

 

 

 

(Not standard)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PC

 

TV

 

 

 

PC

 

TV

 

 

 

 

 

 

 

 

 

 

 

 

RXD

2

 

3

 

TXD

RXD

 

 

TXD

3

 

2

 

RXD

TXD

 

 

GND

5

 

5

 

GND

GND

 

 

DTR

4

 

6

 

DSR

DTR

 

 

DSR

6

 

4

 

DTR

DSR

 

 

RTS

7

 

8

 

CTS

RTS

 

 

CTS

8

 

7

 

RTS

CTS

 

 

 

 

 

 

 

 

 

 

D-Sub 9

D-Sub 9

 

 

2

 

3

 

TXD

 

 

3

 

2

 

RXD

 

 

5

 

5

 

GND

 

 

4

 

4

 

DTR

6

 

6

 

DSR

7

 

7

 

RTS

8

 

8

 

CTS

 

 

 

 

 

D-Sub 9

D-Sub 9

 

53

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LG Electronics 32LC2DU owner manual External Control Device Setup, Wire Configurations