LG 42LH20R-MA - External Control via RS-232 C Interface; RS-232 C Port Configuration and Parameters

APPENDIX
116
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.
1
2
HDMI
/DVI IN
HDMI
RS-232C IN
(CONTROL)
RS-232C IN
(CONTROL)
RGB IN (PC)
S
COMPONENT IN
AUDIOAUDIO
VIDEOVIDEO
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.
■
Image shown may differ from your TV.
MFL58486305-Edit4-en 5/29/09 1:12 PM Page 116