Com1/Com2/Com3/Com4 Pin 9 Output Setting; Vga Interface; Lcd Panel Power Setting - Advantech PPC-L127T User Manual

4.2.1 COM1/COM2/COM3/COM4 pin 9 output setting

(JP2; JP3)
Table 4.3: COM1/ COM2/COM3/COM4 pin 9 output setting (JP2; JP3)
JP2
*Default setting
JP3
*Pin 9 = Ring
*Default setting
Note:

4.3 VGA Interface

4.3.1 LCD panel power setting

The panel PC's AGP SVGA interface supports 3.3 V LCD displays. The
LCD cable already has a built-in default setting. You do not need to adjust
any jumper or switch to select the panel power.
PPC-L127T User Manual
* +5V output
1 2 3
Pins 1, 3 and 5 are dedicated to COM1
Pins 2, 4 and 6 are dedicated to COM2
Pins 7, 9 and 11 are dedicated to COM3
Pins 8, 10 and 12 are dedicated to COM4
+12V output
1
Pin 9 + 5V or +12V Power output
26
2 3