Communication Parameter - LG SuperSign Elite-c Owner's Manual

6
Installation
Connecting Monitors to RS-232C Serial Ports
For RS-232C serial port communication, use a RS-232C cable to connect a monitor directly to
the PC where SuperSign Elite-c software installed. To connect more than one monitor to the
computer, connect the first monitor to the computer with a RS-232C cable and then connect the
rest with a RS-232C cable as shown below.
RS-232C Cable
(not included)
CAUTION
y Up to 225 monitors can be connected using RS-232C serial cables.
RS-232C Configurations
7-Wire Configurations (Standard RS-232C cable)
PC
RXD
2
TXD
3
GND
5
DTR
4
DSR
6
RTS
7
8
CTS
D-Sub 9
(Female)
NOTE
y RS-232C cables need to be purchased separately.
y See the pictures above for the configuration of RS-232C cables that can be connected to
the LG Signage products.
y When using 3-wire connections (non-standard), an IR daisy chain cannot be used.

Communication Parameter

y Baud Rate : 9600 buad Rate (UART)
y Data Length : 8 bit
y Parity Bit : None
y Stop Bit : 1bit
y Flow Control : None
y Communication Code : ASCII code
y Use a crossed (reverse) cable
Monitor 1 Monitor 2
Example: RS-232C connection
Set
TXD
3
2
RXD
5
GND
6
DSR
4
DTR
8
CTS
7
RTS
D-Sub 9
(Female)
Monitor 225
3-Wire Configurations (Not Standard)
PC
RXD
2
TXD
3
GND
5
DTR 4
6
DSR
7
RTS
8
CTS
D-Sub 9
(Female)
Set
3
TXD
2
RXD
5
GND
6
DSR
4
DTR
7
CTS
8
RTS
D-Sub 9
(Female)