HAYES MICROCOMPUTER PRODUCTS, INC.
==================================

   OPTIMA 144 + FAX144 (SWITCH VER.)

   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 

<gopher://bitreich.org/I/th99/t/E-H/51193-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Purpose     | Location |      Purpose       | Location |
   |-----------------+----------+--------------------+----------|
   | Line in         |   CN1    | RS-232             |   CN4    |
   |-----------------+----------+--------------------+----------|
   | Line out        |   CN2    | Power switch       |   SW2    |
   |-----------------+----------+--------------------+----------|
   | DC power        |   CN3    |                    |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        COMMAND SETS                        |
   |------------------------------------------------------------|
   | Mode                          |           SW1/1            |
   |-------------------------------+----------------------------|
   |>> Enabled                     |             On             |
   |-------------------------------+----------------------------|
   | Disabled                      |            Off             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             FACTORY CONFIGURED - DO NOT ALTER              |
   |------------------------------------------------------------|
   |           Switch            |           Position           |
   |-----------------------------+------------------------------|
   |            SW1/2            |             N/A              |
   |-----------------------------+------------------------------|
   |            SW1/3            |             N/A              |
   |-----------------------------+------------------------------|
   |            SW1/4            |             N/A              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED | Color |  Status  |             Condition             |
   |-----+-------+----------+-----------------------------------|
   | HS  |  Red  |    On    | Modem is operating at 9600bps or  |
   |     |       |          |              faster               |
   |-----+-------+----------+-----------------------------------|
   | HS  |  Red  |   Off    | Modem is operating at slower than |
   |     |       |          |              9600bps              |
   |-----+-------+----------+-----------------------------------|
   | AA  |  Red  |    On    |        Auto-answer enabled        |
   |-----+-------+----------+-----------------------------------|
   | AA  |  Red  |   Off    |       Auto-answer disabled        |
   |-----+-------+----------+-----------------------------------|
   | AA  |  Red  | Blinking |          Line is ringing          |
   |-----+-------+----------+-----------------------------------|
   | CD  |  Red  |    On    |         CD signal is high         |
   |-----+-------+----------+-----------------------------------|
   | CD  |  Red  |   Off    |         CD signal is low          |
   |-----+-------+----------+-----------------------------------|
   | OH  |  Red  |    On    |         Modem is off-hook         |
   |-----+-------+----------+-----------------------------------|
   | OH  |  Red  |   Off    |         Modem is on-hook          |
   |-----+-------+----------+-----------------------------------|
   | RD  |  Red  |    On    |      Modem is receiving data      |
   |-----+-------+----------+-----------------------------------|
   | RD  |  Red  |   Off    |    Modem is not receiving data    |
   |-----+-------+----------+-----------------------------------|
   | SD  |  Red  |    On    |    Modem is transmitting data     |
   |-----+-------+----------+-----------------------------------|
   | SD  |  Red  |   Off    |  Modem is not transmitting data   |
   |-----+-------+----------+-----------------------------------|
   | TR  |  Red  |    On    |        DTR signal is high         |
   |-----+-------+----------+-----------------------------------|
   | TR  |  Red  |   Off    |         DTR signal is low         |
   |-----+-------+----------+-----------------------------------|
   | MR  |  Red  |    On    |            Power is on            |
   |-----+-------+----------+-----------------------------------|
   | MR  |  Red  |   Off    |           Power is off            |
   +------------------------------------------------------------+