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

   PM9600HC II

   Modem Type                 Data (synchronous/asynchronous)/Fax 
   Maximum Data Rate          9600bps                             
   Maximum Fax Rate           9600bps                             
   Data Bus                   8-bit ISA                           
   Fax Class                  Class I & II                        
   Data Modulation Protocol   Bell 103A/212A                      
                                                                  
                              ITU-T V.21, V.22, V.22bis, V.32     
   Fax Modulation Protocol    ITU-T V.27ter, V.29                 
   Error                      MNP5, V.42, V.42bis                 
   Correction/Compression     

<gopher://bitreich.org/I/th99/t/P-R/51177-1.png>
   

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

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |      Address       |       SW1/1       |       SW1/2       |
   |--------------------+-------------------+-------------------|
   |    COM1: (3F8h)    |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |    COM2: (2F8h)    |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |    COM3: (3E8h)    |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |    COM4: (2E8h)    |        Off        |        Off        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   | IRQ     | JP1 pins 1 & 2 | JP1 pins 3 & 4 | JP1 pins 5 & 6 |
   |---------+----------------+----------------+----------------|
   |>> 3/4   |     Closed     |      Open      |      Open      |
   |---------+----------------+----------------+----------------|
   | 2       |      Open      |     Closed     |      Open      |
   |---------+----------------+----------------+----------------|
   | 5       |      Open      |      Open      |     Closed     |
   +------------------------------------------------------------+

                     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.           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   V.22 PROBE REJECT TIME                   |
   |------------------------------------------------------------|
   | Type:        | Register                                    |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] S97=n [cmds]                      |
   |--------------+---------------------------------------------|
   | Example:     | ATS97=15<CR>                                |
   |--------------+---------------------------------------------|
   | Default:     | 30                                          |
   |--------------+---------------------------------------------|
   | Range:       | 15-70                                       |
   |--------------+---------------------------------------------|
   | Unit:        | .1 second                                   |
   |--------------+---------------------------------------------|
   | Description: | Sets the time for which the modem will      |
   |              | reject the V.22/V.22bis probe signal when   |
   |              | in V.32 mode.                               |
   +------------------------------------------------------------+