LG Electronics M2780D External Control Device Setup, RS-232C Setup, RS-232C Configurations

EXTERNAL CONTROL DEVICE SETUP

RS-232C Setup

Connect the RS-232C (serial port) input jack to an external control device (such as a computer or an A/V control system) to control the product’s func- tions externally.

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

Note: RS-232C connection cables are not supplied with the product.

Type of Connector; D-Sub 9-Pin Male

No. Pin Name

1No connection

2 RXD (Receive data) 1 5

3TXD (Transmit data)

4 DTR (DTE side ready)

5 GND

6 DSR (DCE side ready)

7RTS (Ready to send)

8 CTS (Clear to send) 6 9

9No Connection

RS-232C Configurations

7-Wire Configurations (Standard RS-232C cable)					3-Wire Configurations(Not standard)
	PC		TV			PC			TV
RXD	2		3	TXD	RXD	2			3	TXD
TXD	3		2	RXD	TXD	3		2		RXD
GND	5		5	GND	GND	5			5	GND
DTR	4		6	DSR	DTR	4	6			DTR
DSR	6		4	DTR	DSR	6	4			DSR
RTS	7		8	CTS	RTS	7	7			RTS
CTS	8		7	RTS	CTS	8	8			CTS
	D-Sub 9	D-Sub 9				D-Sub 9	D-Sub 9

APPENDIX

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