Reference: rs-232 display panel requirements – LG STB1000 User Manual
Page 68
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Reference: RS-232 Display Panel Requirements
DB9
Male
LG monitors/displays listed below require an RS-232
serial null-modem DB9 cable with female connectors at
each end.
3-Wire Configuration
(serial Female-Female null-modem cable)
RS-232 Null Configuration
DISPLAY CONTROL RS-232 Pin Confi guration
(DB9 Male)
NC 1
RXD 2
TXD 3
NC 4
GND 5
NC 6
NC 7
NC 8
NC 9
STB1000
DB9
Male
Compatible Monitors/
Displays:
•
M3203CCBA
•
M3204C
•
LD350C series
•
LD450C series
•
55LD520C
•
LG30DC series
•
LG50DC series
•
22LH200C
•
26LH210C
•
LH300C series
•
52LH400C
•
PJ350C series
•
PK550C series
•
PQ30C series
•
50/60PS60C
1 NC
2 RXD
3 TXD
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
Display
Panel
Null-
modem
Cable
Pin Number
Description
1
No Connection
2
RXD (Receive Data)
3
TXD (Transmit Data)
4
No Connection
5
GND
6
No Connection
7
No Connection
8
No Connection
9
No Connection
DB9
Female
Some LG monitors/displays may require
an RS-232 straight-through DB9 cable
with a male connector on one end and
a female connector on the other end.
Please contact LG for information on
compatibility.
3-Wire Configuration
(straight-through Female-Male cable)
RS-232 Straight Configuration
DB9
Male
1 2 3 4 5
6 7 8 9
NC 1
RXD 2
TXD 3
NC 4
GND 5
NC 6
NC 7
NC 8
NC 9
STB1000
1 NC
3 TXD
2 RXD
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
Display
Panel
Straight-
through
or
Extension
Cable