External Control Device Setup - LG 19LH250C-ZA Owner's Manual

APPENDIX

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 functions
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.
1
2
3
4
5
6
7
8
9
(Only 19/22/26/32/42LH250C, 32LH202C)
RS-232C Configurations
7-Wire Configurations ( Standard RS-232C cable )
RXD
TXD
GND
DTR
DSR
RTS
CTS
D-Sub 9
118
Pin Name
No connection
RXD ( Receive data )
TXD ( Transmit data )
DTR ( DTE side ready )
or
GND
DSR ( DCE side ready )
RTS ( Ready to send )
CTS ( Clear to send )
No Connection
PC TV
2 3 TXD
3 2 RXD
5 5 GND
4 6
6 4
7 8
8 7
D-Sub 9
No. Pin Name
1 No connection
2 RX RS232
3 TX RS232
4 IR from TV
5 GND
6 No connection
7 +5V
8 No connection
9 +12V
(Only 22/26/32/37/42LH200H)
3-Wire Configurations ( Not standard )
RXD
TXD
GND
DSR DTR
DTR DSR
CTS RTS
RTS CTS
1
6
PC TV
2 3
3 2
5 5
4 6
6 4
7 7
8 8
D-Sub 9 D-Sub 9
5
9
TXD
RXD
GND
DTR
DSR
RTS
CTS