Advantech TREK-303 Manual do Utilizador descarregar pdf (Página 33)

4.2 Jumper Settings

4.2.1

CMOS Clear for External RTC (JP2)

Warning!

To avoid damaging the computer, always turn off

the power supply

before setting “Clear CMOS.”

Set the jumper back to “Normal Operation” before turning on the

power supply!

Table 4.2.1: Clear CMOS / External RTC (JP1)

Normal Operation (Default)

Clear CMOS

2 3 1 2 3

4.2.2

Power Input Voltage Setting (JP1)

TREK-550 must be configured properly according the vehicle power input ragnge.

Table 4.4.2: Power Input Voltage Selection (JP1)

12V

Input (Default)

24V Input

2 3 1 2 3

4.2.3 Pin 9 of COM3 Function Selection (JP3)

Pin 9 on COM3 port can be configured as RI, 5V or 12V output.

Table 4.2.3: Pin 9 of COM3 Function Selection (JP3)

+5VDC (max. 500mA)

+12VDC (max. 250mA)

1 5

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Advantech TREK-303 Manual do Utilizador Página 33