DIALOGIC CORPORATION
====================

   LSI/120

   Card Type         Telephony                                    
   Chip Set          Unidentified                                 
   I/O Options       PCM bus                                      
   Data Bus          16-bit ISA                                   
   Line Type         Loop-Start                                   

<gopher://bitreich.org/I/th99/t/C-D/52178-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |         Function         | Label |    Function     | Label |
   |--------------------------+-------+-----------------+-------|
   | Telephone lines in via   |  CN1  | Audio expansion |  CN4  |
   | DB-25 connector          |       | connector       |       |
   |--------------------------+-------+-----------------+-------|
   | PCM bus                  |  CN2  | Audio expansion |  CN5  |
   |                          |       | connector       |       |
   |--------------------------+-------+-----------------+-------|
   | Audio expansion          |  CN3  |                 |       |
   | connector                |       |                 |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                 Setting                 | Label | Position |
   |-----------------------------------------+-------+----------|
   |>> | Board will use time slots 1-12      | SW1/1 |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | Board will use time slots 13-24     | SW1/1 |    On    |
   |---+-------------------------------------+-------+----------|
   |>> | Lines do not answer during reset    | SW1/4 |   Off    |
   |   | condition                           |       |          |
   |---+-------------------------------------+-------+----------|
   |   | Lines are made busy during reset    | SW1/4 |    On    |
   |   | condition                           |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | Signalling information sent to      | SW1/6 |   Off    |
   |   | loop-start interface                |       |          |
   |---+-------------------------------------+-------+----------|
   |   | Signalling information sent to      | SW1/6 |    On    |
   |   | audio interfaces                    |       |          |
   |---+-------------------------------------+-------+----------|
   |>> | Normal operation                    |  SW2  |   Off    |
   |---+-------------------------------------+-------+----------|
   |   | Loopback mode                       |  SW2  |    On    |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | SW1/2 |   Off    |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | SW1/3 |   Off    |
   |---+-------------------------------------+-------+----------|
   |>> | Factory configured - do not alter   | SW1/5 |   Off    |
   +------------------------------------------------------------+