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

   PC288HC 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/51304-1.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

   +------------------------------------------------------------+
   |                         CALLER ID                          |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] %CCID=n [cmds]                    |
   |--------------+---------------------------------------------|
   | Example:     | AT %CCID=2<CR>                              |
   |--------------+---------------------------------------------|
   | Description: | Controls the Caller ID function.            |
   |--------------+---------------------------------------------|
   | Command      |                  Function                   |
   |--------------+---------------------------------------------|
   |>> %CCID=0    | Caller ID disabled.                         |
   |--------------+---------------------------------------------|
   | %CCID=1      | Caller ID displays formatted data.          |
   |--------------+---------------------------------------------|
   | %CCID=2      | Caller ID displays raw hexadecimal data.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       CLOCK DOUBLER                        |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] %BAUD=n [cmds]                    |
   |--------------+---------------------------------------------|
   | Example:     | AT %BAUD1<CR>                               |
   |--------------+---------------------------------------------|
   | Description: | Doubles the local serial port speed.        |
   |--------------+---------------------------------------------|
   | Command      |                  Function                   |
   |--------------+---------------------------------------------|
   |>> %BAUD=0    | Clock doubler disabled.                     |
   |--------------+---------------------------------------------|
   | %BAUD=1      | Clock doubler enabled.                      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       EXTENDED RING                        |
   |------------------------------------------------------------|
   | Format:         | AT [cmds] S101=n [cmds]                  |
   |-----------------+------------------------------------------|
   | Example:        | ATS101=40<CR>                            |
   |-----------------+------------------------------------------|
   | Default:        | 0                                        |
   |-----------------+------------------------------------------|
   | Range:          | 0 - 255                                  |
   |-----------------+------------------------------------------|
   | Unit:           | Bit-mapped                               |
   |-----------------+------------------------------------------|
   | Description:    | Selects the response to extended ring    |
   |                 | types.                                   |
   |------------------------------------------------------------|
   |    Bit    |  Value  |               Function               |
   |-----------+---------+--------------------------------------|
   |     0     |>> 0 1   | Do not respond to ring type A.       |
   |           |         |                                      |
   |           |         | Respond to ring type A.              |
   |-----------+---------+--------------------------------------|
   |     1     |>> 0 1   | Do not respond to ring type B.       |
   |           |         |                                      |
   |           |         | Respond to ring type B.              |
   |-----------+---------+--------------------------------------|
   |     2     |>> 0 1   | Do not respond to ring type C.       |
   |           |         |                                      |
   |           |         | Respond to ring type C.              |
   |-----------+---------+--------------------------------------|
   |     3     |>> 0 1   | Do not respond to ring type D.       |
   |           |         |                                      |
   |           |         | Respond to ring type D.              |
   |-----------+---------+--------------------------------------|
   |     4     |>> 0 1   | Do not respond to ring type E.       |
   |           |         |                                      |
   |           |         | Respond to ring type E.              |
   |-----------+---------+--------------------------------------|
   |     5     |>> 0 1   | Do not respond to ring type F.       |
   |           |         |                                      |
   |           |         | Respond to ring type F.              |
   |-----------+---------+--------------------------------------|
   |     6     |>> 0 1   | Do not respond to ring type G.       |
   |           |         |                                      |
   |           |         | Respond to ring type G.              |
   |-----------+---------+--------------------------------------|
   |     7     |>> 0 1   | Report RING for all ring types.      |
   |           |         |                                      |
   |           |         | Report RING n where n is the ring    |
   |           |         | type.                                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        HELP SCREENS                        |
   |------------------------------------------------------------|
   | Type:        | Immediate                                   |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] $H                                |
   |--------------+---------------------------------------------|
   | Example:     | AT $H<CR>                                   |
   |--------------+---------------------------------------------|
   | Description: | Shows modem help screens.                   |
   +------------------------------------------------------------+

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