Com1/Com2 Pin9 Power Select; Com3; Rtc Select - Advantech PPC-415W User Manual

3.2.1

COM1/COM2 Pin9 power Select

Table 3.3: COM1/COM2 Pin9 power Select
CN22
(1-3)/(2-4) pin
(3-5)/(4-6) pin
(7-9)/(8-10) pin
3.2.2

COM3

COM 3: RS-422/485 with isolated 1000 V
Table 3.4: COM3
COM3 1pin
RS422 TX+
RS485 D+
3.2.3

RTC Select

Table 3.5: RTC Select
JCMOS1
1-2 pin
2-3 pin
3-4 pin
PPC-415W/421W User Manual
Function
COM1/COM2 RI (Default*)
COM1/COM2 pin9 5V
COM1/COM2 pin9 12V
(configurable via the BIOS Setup Utility).
DC
2pin 3pin
TX- RX+
D-
Function
CLR RTC Register
Normal (Default*)
CLR CMOS
26
4pin 5pin
RX- GND
GND