External Control Through Rs-232C - LG 42PJ250R Owner's Manual

MFL62883001-Edit3-en 3/17/10 3:47 PM Page 110
APPENDIX

EXTERNAL CONTROL THROUGH RS-232C

The RS-232C port allows you connect the RS-232C input jack to an external control device (such as a computer
or an A/V control system) to control the TV's functions externally.
Note: RS-232C on this unit is intended to be used with third party RS-232C control hardware and software.
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The instructions below are provided to help with programming software or to test functionality using telenet
software.
In USB and Bluetooth mode, it doesn't support RS-232C function.
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Image shown may differ from your TV.
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RS-232C Setup
PC
Type of Connector; D-Sub 9-Pin Male
No. Pin Name
1 No connection
RXD ( Receive data )
2
TXD ( Transmit data )
3
DTR ( DTE side ready )
4
5 GND
DSR ( DCE side ready )
6
RTS ( Ready to send )
7
CTS ( Clear to send )
8
9 No Connection
1
6
110
AV
AUDIO IN
(RGB/DVI)
2
RGB (PC)
HDMI IN
1
HDMI/DVI IN
RS-232C IN
(CONTROL&SERVICE)
Communication Parameters
Baud rate : 9600 bps ( UART )
■
Data length : 8 bits
■
Parity : None
■
Stop bit : 1 bit
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Communication code : ASCII code
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Use a crossed (reverse) cable.
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5
9
ANTENNA
IN