Com Port Pin 9 Power Output Setting (Cn27); Com Port Pin 9 Power Output Value Setting (Jp2) - Advantech TREK-743 User Manual

4.4.1

COM Port Pin 9 Power Output Setting (CN27)

Pin 9 on COM1, COM2 port can activate external power output.
Table 4.8: COM Port Pin 9 Power Output Setting (CN27)
External power output disable (Default)
5
6
Note! 1.
2.
4.4.2

COM Port Pin 9 Power Output Value Setting (JP2)

Table 4.9: COM Port Pin 9 Power Output Value Setting (JP2)
5V (Default)
2 3
1
TREK-743 User Manual
3 1
4 2
Normally, Pins 1, 3, 5 are assigned to COM1; and Pins 2, 4, 6 are
assigned to COM2.
The normal external power output value is DC 5V. For DC 12V, an
OEM request is required to modify the motherboard.
28
External power output enable
5 3 1
6 4 2
12V (Optional)
2 3
1