LG 42LG7000 - Page 125

123
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. 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 5
6 9
RS-232C Configurations
7-Wire Configurations
(
Standard RS-232C cable
)
PC TV
RXD 2 3 TXD
TXD 3 2 RXD
GND 5 5 GND
DTR 4 6 DSR
DSR 6 4 DTR
RTS 7 8 CTS
CTS 8 7 RTS
D-Sub 9 D-Sub 9
3-Wire Configurations
(
Not standard
)
PC TV
RXD 2 3 TXD
TXD 3 2 RXD
GND 5 5 GND
DTR 4 6 DTR
DSR 6 4 DSR
RTS 7 7 RTS
CTS 8 8 CTS
D-Sub 9 D-Sub 9