Advantech TREK-303 Manual de usuario descargar pdf (Pagina 33)

21 TREK-550/303 User Manual

Chapter 4 Jumper Settings and Connectors

4.2 Jumper Settings

4.2.1 CMOS Clear for External RTC (JP2)

4.2.2 Power Input Voltage Setting (JP1)

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

4.2.3 Pin 9 of COM3 Function Selection (JP3)

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

4.2.4 Pin 9 of COM8 Function Selection (J3)

Pin 9 on COM8 port can be configured as RI, 5 V or 12 V output.

Warning! 1. To avoid damaging the computer, always turn off the power supply

before setting “Clear CMOS”.

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

power supply!

Table 4.5: Clear CMOS / External RTC (JP1)

Normal Operation (Default) Clear CMOS

123

1 23

Table 4.6: Power Input Voltage Selection (JP1)

12 V Input (Default) 24 V Input

123

1 23

Table 4.7: Pin 9 of COM3 Function Selection (JP3)

+5 V

(max. 500 mA) +12 V

(max. 250 mA)

1 5

Table 4.8: Pin 9 of COM8 Function Selection (JP3)

+5 V

(max. 500 mA) +12 V

(max. 250 mA)

1 6

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Advantech TREK-303 Manual de usuario Pagina 33