(TXT) View Source
       
       # HAYES MICROCOMPUTER PRODUCTS, INC.
       
          OPTIMA 144B + FAX144
       
          Modem Type             Data (synchronous/asynchronous)/Fax     
          Maximum Data Rate      14.4Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Bus               External                                
          Fax Class              Class I & II                            
          Data Modulation        Bell 103A/212A                          
          Protocol                                                       
                                 ITU-T V.21, V.22, V.22bis, V.32,        
                                 V.32bis                                 
          Fax Modulation         V.17, V.27ter, V.29                     
          Protocol               
          Error                  MNP2-5, V.42, V.42bis                   
          Correction/Compression 
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Purpose      | Location |      Purpose      | Location |
          |------------------+----------+-------------------+----------|
          | Line in          |   CN1    | Line out          |   CN2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |      Address       |       SW1/1       |       SW1/2       |
          |--------------------+-------------------+-------------------|
          |       COM1:        |        On         |        On         |
          |--------------------+-------------------+-------------------|
          |       COM2:        |        On         |        Off        |
          |--------------------+-------------------+-------------------|
          |       COM3:        |        Off        |        On         |
          |--------------------+-------------------+-------------------|
          |       COM4:        |        Off        |        Off        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      HAYES ESP™ MODE                       |
          |------------------------------------------------------------|
          |                 Mode                  |  SW1/3   |  SW1/4  |
          |---------------------------------------+----------+---------|
          |            16450 UART mode            |    On    |   On    |
          |---------------------------------------+----------+---------|
          |            16550 UART mode            |    On    |   Off   |
          |---------------------------------------+----------+---------|
          | 16550 UART with hardware flow control |   Off    |   On    |
          |---------------------------------------+----------+---------|
          |               Disabled                |   Off    |   Off   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |     Address      |        JP1         |        JP2         |
          |------------------+--------------------+--------------------|
          |       180h       | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |       188h       | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |       250h       | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |       258h       | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          +------------------------------------------------------------+