REACH MODEM                                         AST Part Number 202047-001

Reach is a 300/1200 bps half card modem for IBM PC/XT/AT personal computers
running at or below 6MHZ speed. It is compatible with Bell System 103/113 and
212A type modems in asynchronous communication.


SWITCH SETTINGS

       Switch   Setting
    -----------------------------------------------------------
          1     ON - Force DTR true
                OFF- UART controls DTR (Default)

          2     ON - Force CD true
                OFF- UART controls CD (Default)

          3     ON - Enable auto answer (Default)
                OFF- Disable auto answer

          4     ON - Respond to remote digital loopback request
                     (Default)
                OFF- Ignore remote digital loopback request
    -----------------------------------------------------------


JUMPER SETTINGS

      Jumper    Setting
    -----------------------------------------------------------
      J3 & J4    * IN - Word return status codes (Default)
                  OUT - Numeric return status codes
      J5 & J6      IN - Return status code disable
                 *OUT - Return status code enable (Default)
      J9 & J10     IN - Command recognition disabled
                 *OUT - Command recognition enabled (Default)
      J7 & J8    * IN - Command echo enabled (Default)
                  OUT - Command echo disabled
    -----------------------------------------------------------

    PORT ENABLE JUMPER BLOCK (J1 & J2):

        When the jumper is in, the board uses COM2 serial port address.
        When the jumper is out, the board uses COM1 serial port address.


SWITCH BLOCK AND JUMPER LOCATIONS

    ͻ
                                      
                                     Ķ
                                      
                                      
                                      
    J3-J10 JUMPER BLOCK               
     ****                         +-- 
                               SW1|   
                                  +-- 
                       *             Ķ
    ͻ J1&2       ͼ 
                    ͼ      
                                        
