ASPEN TECHNOLOGIES, INC.
========================



   Modem Type             Data (synchronous/asynchronous)/Fax     
   Maximum Data Rate      14.4Kbps                                
   Maximum Fax Rate       14.4Kbps                                
   Data Bus               8-Bit ISA                               
   Fax Class              Class I & II                            
   Data Modulation        Bell 103A/212A                          
   Protocol                                                       
                          ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                          V.32bis                                 
   Fax Modulation         ITU-T V.17, V.21CH2, V.27ter, V.29      
   Protocol               
   Error                  MNP5, V.42, V.42bis                     
   Correction/Compression 

<gopher://bitreich.org/I/th99/t/A-B/51536-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose      | Location |     Purpose      | Location |
   |-------------------+----------+------------------+----------|
   | Line out          |   CN1    | Line in          |   CN2    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |        Port        |       JP1/F       |       JP1/G       |
   |--------------------+-------------------+-------------------|
   |    COM1: (3F8h)    |      Closed       |      Closed       |
   |--------------------+-------------------+-------------------|
   |    COM2: (2F8h)    |      Closed       |       Open        |
   |--------------------+-------------------+-------------------|
   |    COM3: (3E8h)    |       Open        |      Closed       |
   |--------------------+-------------------+-------------------|
   |    COM4: (2E8h)    |       Open        |       Open        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |   IRQ   |   JP1/B    |   JP1/C    |   JP1/D    |   JP1/E   |
   |---------+------------+------------+------------+-----------|
   |    3    |    Open    |    Open    |   Closed   |   Open    |
   |---------+------------+------------+------------+-----------|
   |    4    |    Open    |    Open    |    Open    |  Closed   |
   |---------+------------+------------+------------+-----------|
   |    5    |    Open    |   Closed   |    Open    |   Open    |
   |---------+------------+------------+------------+-----------|
   |    7    |   Closed   |    Open    |    Open    |   Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                FACTORY CONFIGURED SETTINGS                 |
   |------------------------------------------------------------|
   |            Switch            |           Setting           |
   |------------------------------+-----------------------------|
   |            JP1/A             |             Off             |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

           See document V1535 for a full command summary.