UTC RETAIL 3170 Series Uživatelská příručka stáhnout pdf (Strana 8)

COM3 and COM4 Power Settings

COM3 and COM4 can be set to provide power to your serial device. The voltage can be set to +5V or +12V by

setting jumper JP4 on the motherboard. When enabled, the power is available on pin 9 of the DB9 connector. By

default, this power option is enabled in the BIOS.

Enable COM3/COM4 power in BIOS

1. Power on the system, and press the

<DEL> key when the system is booting up

to enter the BIOS Setup utility.

2. Select the Advanced tab

3. Select Power Configuration

COM/VGA/CD Ports and press <Enter> to

go to display the available options.

4. To enable the power, select COM3

Power Setting or COM4 Power setting and

press <Enter>. Select Power and press

<Enter>.

5. Save the change by pressing F10.

Function

JP4

(1 – 2) (3 – 4) (5 – 6) (7 – 8)

COM3 Pin 9

▲+5V

1 3 5 7



2 4 6 8

+12V

1 3 5 7



2 4 6 8

COM4 Pin 9

▲+5V

1 3 5 7



2 4 6 8

+12V

1 3 5 7



2 4 6 8

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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UTC RETAIL 3170 Series Uživatelská příručka Strana 8