Table 5.24: Cn35 (Internal Speaker Connector); Table 5.25: Cn36 A (Com1 Rs232); Table 5.26: Cn36 B (Com2 Rs232/422/485 Select By Bios) - Advantech PPC-125 User Manual

Table 5.24: CN35 (Internal Speaker Connector)

Pin
1
2
3
4

Table 5.25: CN36 A (COM1 RS232)

Pin
1
2
3
4
5
6
7
8
9

Table 5.26: CN36 B (COM2 RS232/422/485 Select by BIOS)

Pin
1
2
3
4
5
6
7
8
9
PPC-125 User Manual
Signal
OUTA-
OUTA+
OUTB+
OUTB-
1 2 3
6 7 8
Pin Name
COM1_DCD
COM1_RXD
COM1_TXD
COM1_DTR
GND
COM1_DSR
COM1_RTS
COM1_CTS
RIA
1 2 3
6 7 8
Pin Name
RS232 RS422
DCD 422_TXD-
RXD 422_TXD+
TXD 422_RXD+
DTR 422_RXD-
GND GND
DSR
RTS
CTS
RIC
40
4 5
9
4 5
9
RS485
485_Data-
485_Data+