LG 42LH90QD - External Control through RS-232 C

APPENDIX
164
APPENDIX
EXTERNAL CONTROL THROUGH RS-232C
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.
REMOTE
CONTROL IN
CABLE IN
RS-232C IN
(CONTROL & SERVICE)
R
OPTICAL COAXIAL
DIGITAL AUDIO OUT
AUDIO OUT
AV IN 1
VIDEO L R
(MONO)
AUDIO
S-VIDEO
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
i.e)
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.
NOTE
!
GG
This product has command echo back in the
RS-232C Command.
MFL59166615-Edit3-en 12/2/09 3:44 PM Page 164