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                                   

<gopher://bitreich.org/I/th99/i/C-D/52720-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Function         | Label |     Function     | Label |
   |-------------------------+-------+------------------+-------|
   | Microprocessor          |  P2   | Analog expansion |  P3   |
   | interface               |       | bus              |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 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    |  JP8  |    Not    |
   |   | AEB bus for input                  |       | installed |
   |---+------------------------------------+-------+-----------|
   |>> | Disabled board will not answer     | SW1/4 |    Off    |
   |   | incoming calls                     |       |           |
   |---+------------------------------------+-------+-----------|
   |   | Disabled board will send busy      | SW1/4 |    On     |
   |   | signal 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.                                    |
   +------------------------------------------------------------+