Com3 / Com4 Pin 9 Output Type Setting (Jp6); Cmos Clear For External Rtc (Jp8); Table 3-7: Com3/Ri Pin Setting (Jp6); Table 3-8: Clear Cmos / External Rtc (Jp8) - Advantech RUGGED PENTIUM IPPC-9120 User Manual

3.3.3 COM3 / COM4 pin 9 output type setting (JP6)

Table 3-7: COM3/RI pin setting (JP6)

*Normal operation
6
4
2
* default setting
Note:

3.4 CMOS Clear for External RTC (JP8)

Warning: To avoid damaging the computer, always turn off the

Table 3-8: Clear CMOS / External RTC (JP8)

*Normal operation
1 2
* default setting
+5 V output
5 6
3
4
1 2
Pins 1, 3 and 5 are for COM3.
Pins 2, 4 and 6 are for COM4.
power supply before setting "Clear CMOS". Set the
jumper back to "Normal operation" before turning on
the power supply.
Chapter 3 Jumper Settings and Connectors
+12 V output
5 6
3
4
1 2
Clear CMOS
1 2
5
3
1
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