Advantech 4-Port RS-232 Interface card PCL-849 Manual de usuario descargar pdf (Pagina 31)

32 PCL-849 User's Manual

Ø Jumper Setting

· IRQ Mode

DIP 1 (MODE 0) of S1 is used to set the IRQ mode of this card.

DIP1 : ON (Upper) position è Shared IRQ mode

DIP1 : OFF (Lower) position è Independent IRQ mode

· STANDARD/ ENHANCED Mode

DIP 2 (MODE 1) of S1 is used to set the standard/enhanced mode of

this card.

DIP1 : ON (Upper) position è STANDARD mode

DIP1 : OFF (Lower) position è ENHANCED mode

· SPEED Mode

DIP 1 (SPEED) of S2 is used to determine the speed mode of this

card.

Ø Operating System Mode

Connect the left two pins of JP15 to use DOS, Windows 3.1

Connect the right two pins of JP15 to use Windows 95/98/ NT

DIP1 : ON (Upper) position è High Speed Mode or ´ 8 Mode

(Frequency of Oscillator Crystal = 14.7456 MHz)

DIP1 : OFF (Lower) position è Normal Speed Mode

(Frequency of Oscillator Crystal = 1.8432 MHz)

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Advantech 4-Port RS-232 Interface card PCL-849 Manual de usuario Pagina 31