1. Overview
１.1 This specifications define TV control commands for 32LM4R / 32LM4WPR / 42LM4R /
42LM4WPR.
１.2 The TV control commands are used to control a TV through RS-232C from a computer.
2. Serial Interface Specification
Transfer Specification
① Transmission speed: initial setting value is 19200.
② Transmission speed can be changed in hotel option menu.
Connection
Dedicated serial cable that comes with the TV must be used for a connection to a
computer and TV.
PC TV
COM 1 Control Port
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
CD
SG
RXD
TXD
DTR
DSR
RTS
CTS
RING
RXD
TXD
SG
RTS
CTS
N.C.
N.C.
N.C.
N.C.
（D-Sub 9 Pin） （D-Sub 9 Pin）
