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INSTALLATIONS

IB889 User’s Manual 9

JP5: Clear CMOS Setting

JP5 Setting

Normal

Clear CMOS

JP1, JP2, JP3: RS232/422/485 (COM1) Selection

COM1 is selectable for RS232, RS-422 and RS-485.

COM2 is fixed for RS-232 use only.

The following table describes the jumper settings for COM1 selection.

COM1

Function

RS-232 RS-422 RS-485

Jumper

Setting

(pin closed)

JP1:

1-2

JP2:

3-5 & 4-6

JP3:

3-5 & 4-6

JP1:

3-4

JP2:

1-3 & 2-4

JP3:

1-3 & 2-4

JP1:

5-6

JP2:

1-3 & 2-4

JP3:

1-3 & 2-4

JP4: ATX or AT Power Selection

JP4 ATX Power

ATX

JP6: LCD Panel Power Selection

JP6 LCD Panel Power

3.3V

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Ibase IB889 Manuale Utente Pagina 13