Table 5.19: Cn26 (Com1 Ri Function Selection Connector); Table 5.20: Cn28 (Lcd Back Light Connector); Table 5.21: Cn29 (Power Button Connector); Table 5.22: Cn34A (Com3 Rs-232 Serial Port) - Advantech PPC-125 User Manual

Table 5.19: CN26 (COM1 RI Function Selection Connector)

Pin Signal
1 COM1_RI
2 COM1_RI_Selection
3 +V5
4 COM1_RI_Selection
5 +V12

Table 5.20: CN28 (LCD Back Light Connector)

Pin Signal
1 +V12
2 +V12
3 GND
4 GND
5 LCD_BKLTEN
6 LCD_VBR
7 LCD_DET

Table 5.21: CN29 (Power Button Connector)

Pin Signal
1 PANSWIN
2 GND

Table 5.22: CN34A (COM3 RS-232 Serial Port)

Pin Signal
1 DCD#
3 TX
5 GND
7 RTS#
9 RI#

Table 5.23: CN34B (VGA)

Pin Standard Connect
1 2 3 4 5
6 7 8 9
Pin
2
4
6
8
39
Signal
RX
DTR#
DSR#
CTS#
PPC-125 User Manual