DIALOGIC CORPORATION

D/21D, D/41D (REV. 2)

Card Type   Telephony
I/O Options AEB bus
Data Bus    8-bit ISA
Line Type   Loop-start

[Image]

                                CONNECTIONS

           Function             Label           Function            Label

  Microprocessor interface       P2      Analog expansion bus        P3

                        USER CONFIGURABLE SETTINGS

                   Setting                      Label        Position

  »   IRQ termination enabled                    JP7           Open

      IRQ termination disabled                   JP7          Closed

  »   Board will use internal loop-start         JP8         Installed
      interface for input

      Board will use T1 interface via AEB        JP8       Not installed
      bus for input

  »   Disabled board will not answer            SW1/4           Off
      incoming calls

      Disabled board will send busy signal      SW1/4           On
      to incoming calls

            Note:If multiple D/4x cards are installed in a system, JP7
            should be closed for only one of them.

                       BASE I/O ADDRESS

  Setting     JP5        JP6      SW1/1      SW1/2     SW1/3

  A0000h     Closed     Open       Off        Off       Off

  A2000h     Closed     Open       Off        Off        On

  A4000h     Closed     Open       Off         On       Off

  A6000h     Closed     Open       Off         On        On

  A8000h     Closed     Open        On        Off       Off

  AA000h     Closed     Open        On        Off        On

  AC000h     Closed     Open        On         On       Off

  AE000h     Closed     Open        On         On        On

  B8000h     Closed    Closed      Off        Off       Off

  BA000h     Closed    Closed      Off        Off        On

  BC000h     Closed    Closed      Off         On       Off

  BE000h     Closed    Closed      Off         On        On

                         BASE I/O ADDRESS (CON’T)

     Setting         JP5         JP6        SW1/1      SW1/2      SW1/3

       C0000h      Closed      Closed        On         Off        Off

       C0000h       Open       Closed        Off        Off        Off

       C2000h      Closed      Closed        On         Off         On

       C2000h       Open       Closed        Off        Off         On

       C4000h      Closed      Closed        On         On         Off

       C4000h       Open       Closed        Off        On         Off

       C6000h      Closed      Closed        On         On          On

       C6000h       Open       Closed        Off        On          On

       C8000h       Open       Closed        On         Off        Off

       CA000h       Open       Closed        On         Off         On

       CC000h       Open       Closed        On         On         Off

       CE000h       Open       Closed        On         On          On

  »    D0000h       Open        Open         Off        Off        Off

       D2000h       Open        Open         Off        Off         On

       D4000h       Open        Open         Off        On         Off

       D6000h       Open        Open         Off        On          On

       D8000h       Open        Open         On         Off        Off

       DA000h       Open        Open         On         Off         On

       DC000h       Open        Open         On         On         Off

       DE000h       Open        Open         On         On          On

                                 INTERRUPT

  Setting      JP1/A     JP1/B     JP1/C      JP1/D     JP1/E     JP1/F

  »   IRQ2    Closed      Open      Open      Open      Open       Open

      IRQ3     Open      Closed     Open      Open      Open       Open

      IRQ4     Open       Open     Closed     Open      Open       Open

      IRQ5     Open       Open      Open     Closed     Open       Open

      IRQ6     Open       Open      Open      Open     Closed      Open

      IRQ7     Open       Open      Open      Open      Open      Closed

            Note: All D/4xx boards in the system should be set to the
            same interrupt.