Advantech PPC-V106 user manual Cmos Clear for External RTC JP1, COM-port Interface

4.3 CMOS Clear for External RTC (JP1)

Warning: To avoid damaging the computer, always turn off the power supply before setting “Clear CMOS”. Set the jumper back to “Normal opera- tion” before turning on the power supply.

Table 4.3: Clear CMOS / External RTC (JP1)

*Normal operation (default)			Clear CMOS
1	2	3	1	2	3

4.4 COM-port Interface

The panel PC provides three serial ports: COM1, COM 3 : RS-232 and

COM2: RS-232/422/485 (in one COM port connector).

4.4.1 COM2 RS-232/422/485 Setting (JP5)

COM2 can be configured to operate in RS-232, RS-422, or RS-485 mode. This is done via JP5 settings.

Table 4.4: COM2 RS-232/422/485 setting (JP5)

*RS-232

2 6 10 14 18

1 5 9 13 17

RS-422

2 6 10 14 18

1 5 9 13 17

RS-485

2 6 10 14 18

1 5 9 13 17

PPC-V106 User Manual 24