LG UN570H Series 55" UHD 4K HDR Commercial Hospitality TV - Manual (Page 38)

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Communication Parameters
• Baud rate: 9,600 bps (UART)
• Data length: 8 bits
• Parity: None
• Stop bit: 1 bit
• Communication code: ASCII code
• Use a crossed (reverse) cable.
Set ID
For Set ID number, see “Real data mapping”.
The adjustment range is 1-99.
• Some models support the [Set ID] up to
1000.
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
3-Wire Configurations
(Not standard)
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
3-Wire Configurations
PC TV
RXD 2 2 RXD
TXD 3 1 TXD
GND 5 4 GND
DTR 4 3 IR-OUT*
DSR 6
RTS 7
CTS 8
• * : Depending upon model