LG 60PM4M - - 60" Plasma Panel Owner's Manual page 32

External Control Device Setup
Set:up
- Connect the RS-232C input jack to an external control device (such as a computer or an A/V control system)
and control the Monitor's functions externally.
- Connect the serial port of the control device to the RS-232C jack on the Monitor back panel.
- RS-232C connection cables are not supplied with the Monitor.
32 Plasma Monitor