QUATECH, INC.
=============

   SCL-6100

   Card Type          Serial controller                           
   Chipset/Controller Unidentified UART                           
   I/O Options        Serial I/O port                             
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/P-R/50532-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |            Purpose            |          Location          |
   |-------------------------------+----------------------------|
   | DB-25 serial I/O port         |            CN1             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      CLOCK FREQUENCY                       |
   |------------------------------------------------------------|
   |        Frequency         |               J3                |
   |--------------------------+---------------------------------|
   |>> |      1.8432MHz       | Pins 1 & 2, 3 & 6, 4 & 5 closed |
   |---+----------------------+---------------------------------|
   |   |      3.6864MHz       |    Pins 2 & 3, 4 & 5 closed     |
   |---+----------------------+---------------------------------|
   |   |       9.216MHz       |    Pins 1 & 2, 5 & 6 closed     |
   |---+----------------------+---------------------------------|
   |   |      18.432MHz       |        Pins 2 & 5 closed        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    OUTPUT CONFIGURATION                    |
   |------------------------------------------------------------|
   |  Setting   |SW2/1|SW2/2|SW2/3|SW2/4|SW2/5|SW2/6|SW2/7|SW2/8|
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |>>|  Active  | Off | Off | On  | On  | On  | Off | Off | Off |
   | | transmit |     |     |     |     |     |     |     |     |
   | |   20mA   |     |     |     |     |     |     |     |     |
   |-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
   | | Passive  | On  | On  | Off | Off | Off | Off | Off | Off |
   | | transmit |     |     |     |     |     |     |     |     |
   |-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
   | |  Active  | Off | Off | On  | On  | On  | On  | Off | Off |
   | | transmit |     |     |     |     |     |     |     |     |
   | |   30mA   |     |     |     |     |     |     |     |     |
   |-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
   | |  Active  | Off | Off | On  | On  | On  | On  | On  | Off |
   | | transmit |     |     |     |     |     |     |     |     |
   | |   60mA   |     |     |     |     |     |     |     |     |
   |-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
   | |  RS-232  | Off | Off | Off | Off | Off | Off | Off | On  |
   | | transmit |     |     |     |     |     |     |     |     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INPUT CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Setting   |SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
   |------------+-----+-----+-----+-----+-----+-----+-----+-----|
   |>>| Passive  | On  | On  | Off | Off | Off | Off | Off | Off |
   | | receive  |     |     |     |     |     |     |     |     |
   |-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
   | |  Active  | Off | Off | On  | On  | On  | Off | Off | Off |
   | | receive  |     |     |     |     |     |     |     |     |
   | |   20mA   |     |     |     |     |     |     |     |     |
   |-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
   | |  Active  | Off | Off | On  | On  | On  | On  | Off | Off |
   | | receive  |     |     |     |     |     |     |     |     |
   | |   30mA   |     |     |     |     |     |     |     |     |
   |-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
   | |  Active  | Off | Off | On  | On  | On  | On  | On  | Off |
   | | receive  |     |     |     |     |     |     |     |     |
   | |   60mA   |     |     |     |     |     |     |     |     |
   |-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
   | |  RS-232  | Off | Off | Off | Off | Off | Off | Off | On  |
   | | receive  |     |     |     |     |     |     |     |     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CURRENT THRESHOLD SELECT                  |
   |------------------------------------------------------------|
   |        Setting         |                J2                 |
   |------------------------+-----------------------------------|
   |>> |        20mA        |     Pins 1 & 5, 4 & 8 closed      |
   |---+--------------------+-----------------------------------|
   |   |        30mA        |     Pins 2 & 6, 4 & 8 closed      |
   |---+--------------------+-----------------------------------|
   |   |        60mA        |     Pins 3 & 4, 4 & 8 closed      |
   |---+--------------------+-----------------------------------|
   |   |   RS-232 receive   |     Pins 2 & 3, 6 & 7 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   DTE/DCE CONFIGURATION                    |
   |------------------------------------------------------------|
   |                             J1                             |
   |------------------------------------------------------------|
<gopher://bitreich.org/I/th99/i/P-R/50532-2.png>
   |                      | [3][IMG]                    |
   +------------------------------------------------------------+