LG 42PG20 - Manual (Page 94)

APPENDIX
92
EXTERNAL CONTROL THROUGH RS-232C
APPENDIX
RS-232C Setup
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.
The instructions below are provided to help with programming software or to test functionality using telenet
software.
COMPO
R
REMOTE
CONTROL IN
RS-232C IN
(CONTROL & SERVICE)
OPTICAL
DIGITAL AUDIO OUT
A
V
IN 1
AUDIO
S-VIDEO
1
2
VIDEO
Y P B
Type of Connector; D-Sub 9-Pin Male
No. Pin Name
1 No connection
2 RXD (Receive data)
3 TXD (Transmit data)
4 DTR (DTE side ready)
5 GND
6 DSR (DCE side ready)
7 RTS (Ready to send)
8 CTS (Clear to send)
9 No Connection
1
6
5
9
PC
Communication Parameters
■ Baud rate : 9600 bps (UART)
■ Data length : 8 bits
■ Parity : None
■ Stop bit : 1 bit
■ Communication code : ASCII code
■ Use a crossed (reverse) cable.