LG M2280D - External Control Device Setup; RS-232 C Serial Port Setup

ENGLISH
43
EXTERNAL CONTROL DEVICE SETUP (Only applied to B2B model used in a place like a hotel)
NOTE
RS-232C on this unit is intended to be used
with third party RS-232C control hardware
and software. The instructions below are
provided to help with programming software
or to test functionality using telenet software.
RS-232C connection cables are not supplied
with the product.
NOTE
This product has command echo back in
the RS-232C Command.
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.
Communication Parameters
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Baud rate: 9600 bps (UART)
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Data length: 8 bits
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Parity: None
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Stop bit: 1 bit
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Communication code: ASCII code

Use a crossed (reverse) cable.
Type of connector; D-Sub
9-Pin Male
1 5
6 9
RS-232C IN
(CONTROL & SERVICE)
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
RS-232C IN
(CONTROL & SERVICE)
EXTERNAL CONTROL DEVICE SETUP (ONLY
APPLIED TO B2B MODEL USED IN A PLACE
LIKE A HOTEL)