Adlink NuPRO-E340 User Manual download pdf (Page 36)

22 Hardware Information

2.4 Jumpers

Clear CMOS (JBAT1)

The CMOS RAM data contains the date / time and BIOS setting

information. CMOS is powered by the onboard button cell battery.

To erase the CMOS RAM data:

1. Power down and disconnect power from the system.

2. Short pins 2-3 on JP1.

3. Reconnect power and power up the system.

4. After power up, remove the jumper cap from pins 2-3

and reinstall it to pins 1-2.

COM1 Mode Jumper Settings (JP1-4)

Short the jumper pins according to the following settings to set

COM1 to RS-232/422/485/485+ mode:

RTC status Connection JBAT1

Normal 1 – 2

Clear CMOS 2 – 3

RS-232 RS-422 RS-485 RS-485+

JP1 1-23-45-65-6

JP2 1-3, 2-4 3-5, 4-6 3-5, 4-6 3-5, 4-6

JP3 1-3, 2-4 3-5, 4-6 3-5, 4-6 3-5, 4-6

JP4 – 1-3, 2-4 1-3, 2-4 3-5, 4-6

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 99 100

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Adlink NuPRO-E340 User Manual Page 36