PRACTICAL PERIPHERALS, INC.
===========================

   PM288HC II V.34

   Modem Type             Data (synchronous/asynchronous)/Fax     
   Maximum Data Rate      28.8Kbps                                
   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.32,        
                          V.32bis, V.34                           
                                                                  
                          Rockwell V.FC                           
   Fax Modulation         ITU-T V.17, V.27ter, V.29               
   Protocol               
   Error                  MNP5, V.42, V.42bis                     
   Correction/Compression 

<gopher://bitreich.org/I/th99/t/P-R/51179-1.png>
   

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

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |      Address       |        E1         |        E3         |
   |--------------------+-------------------+-------------------|
   |    COM1: (3F8h)    |      Closed       |      Closed       |
   |--------------------+-------------------+-------------------|
   |    COM2: (2F8h)    |       Open        |      Closed       |
   |--------------------+-------------------+-------------------|
   |    COM3: (3E8h)    |      Closed       |       Open        |
   |--------------------+-------------------+-------------------|
   |    COM4: (2E8h)    |       Open        |       Open        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |   IRQ   |     E4     |     E5     |     E6     |    E7     |
   |---------+------------+------------+------------+-----------|
   |    2    |    Open    |    Open    |    Open    |  Closed   |
   |---------+------------+------------+------------+-----------|
   |    3    |   Closed   |    Open    |    Open    |   Open    |
   |---------+------------+------------+------------+-----------|
   |    4    |    Open    |   Closed   |    Open    |   Open    |
   |---------+------------+------------+------------+-----------|
   |    5    |    Open    |    Open    |   Closed   |   Open    |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

   +------------------------------------------------------------+
   |                           REDIAL                           |
   |------------------------------------------------------------|
   | Type:        | Immediate                                   |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] DL                                |
   |--------------+---------------------------------------------|
   | Example:     | AT M1 DL<CR>                                |
   |--------------+---------------------------------------------|
   | Description: | Redials the last number dialed.             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     REPORT INFORMATION                     |
   |------------------------------------------------------------|
   | Type:        | Immediate                                   |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] In [cmds]                         |
   |--------------+---------------------------------------------|
   | Example:     | AT I1 &W<CR>                                |
   |--------------+---------------------------------------------|
   | Description: | Displays modem properties.                  |
   |--------------+---------------------------------------------|
   | Command      |                  Function                   |
   |--------------+---------------------------------------------|
   |      I0      | Reports modem model and speed.              |
   |--------------+---------------------------------------------|
   |      I1      | Reports checksum number.                    |
   |--------------+---------------------------------------------|
   |      I2      | Reports checksum result.                    |
   |--------------+---------------------------------------------|
   |      I3      | Reports firmware version.                   |
   |--------------+---------------------------------------------|
   |      I4      | Reports current command settings.           |
   +------------------------------------------------------------+