(TXT) View Source
       
       # QUATECH, INC.
       
          DS-2000/3000
       
          Card Type          Serial controller                           
          Chipset/Controller 16550                                       
          I/O Options        Serial ports (2)                            
          Maximum DRAM       N/A                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Purpose      | Location |     Purpose      | Location |
          |-------------------+----------+------------------+----------|
          | Serial port 1     |   CN1    | Serial port 2    |   CN2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DTR CONFIGURATION                      |
          |------------------------------------------------------------|
          |          Setting           |              J4               |
          |----------------------------+-------------------------------|
          | » |         - DTR          |   Pins 2 & 3, 5 & 6 closed    |
          |---+------------------------+-------------------------------|
          |   |         + DTR          |   Pins 1 & 2, 4 & 5 closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 INPUT CLOCK CONFIGURATION                  |
          |------------------------------------------------------------|
          |           MHz            |               J1                |
          |--------------------------+---------------------------------|
          | » |      1.8432MHz       | Pins 1 & 4, 2 & 3, 5 & 6 closed |
          |---+----------------------+---------------------------------|
          |   |      3.6864MHz       |    Pins 2 & 3, 4 & 5 closed     |
          |---+----------------------+---------------------------------|
          |   |       9.216MHz       |    Pins 1 & 2, 5 & 6 closed     |
          |---+----------------------+---------------------------------|
          |   |      18.432MHz       |        Pins 2 & 5 closed        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               TRANSMIT/RECEIVE CONFIGURATION               |
          |------------------------------------------------------------|
          |        Function         |                J2                |
          |-------------------------+----------------------------------|
          |    RTS/CTS loopback     |  Pins 1 & 5 closed, pins 1 & 2   |
          |                         |               open               |
          |-------------------------+----------------------------------|
          |      Transmit RTS       |  Pins 5 & 6 closed, pins 6 & 7   |
          |                         |               open               |
          |-------------------------+----------------------------------|
          |       Receive RTS       |  Pins 1 & 2 closed, pins 2 & 3   |
          |                         |               open               |
          |-------------------------+----------------------------------|
          |   RCLK/XCLK loopback    |  Pins 3 & 7 closed, pins 2 & 3   |
          |                         |               open               |
          |-------------------------+----------------------------------|
          |      Transmit XCLK      |  Pins 6 & 7 closed, pins 5 & 6   |
          |                         |               open               |
          |-------------------------+----------------------------------|
          |      Receive RCLK       |  Pins 2 & 3 closed, pins 1 & 2   |
          |                         |               open               |
          |-------------------------+----------------------------------|
          | AUX OUT/AUX IN loopback | Pins 2 & 6 closed, pins 5 & 6, 6 |
          |                         |             & 7 open             |
          |-------------------------+----------------------------------|
          |       Half Duplex       |        Pins 4 & 8 closed         |
          |-------------------------+----------------------------------|
          |       Full Duplex       |         Pins 4 & 8 open          |
          +------------------------------------------------------------+