COMMELL LP-174 - Manual (Page 16)

LP-174
User’s Manual
-15-
CN_INV: LVDS 5-pin Backlight power connector
Pin Signal
1 12V
2 Backlight Control
3 5V
4 GND
5 Enable Backlight
JVLCD: LVDS panel power select jumper
Jumper settings Function
1-2 3.3V (Default)
2-3 5V
2.4.4 <Serial Port interface>
CN_COM1/2: RS232 20-pin connector
Pin Signal Pin Signal
1 DCD1 2 RXD1
3 TXD1 4 DTR1
5 GND 6 DSR1
7 RTS1 8 CTS1
9 RI1 10 NC
11 DCD2 12 RXD2
13 TXD2 14 DTR2
15 GND 16 DSR2
17 RTS2 18 CTS2
19 RI2 20 Key
CN_COM1/2
1 20