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

   OPIN-241

   Card Type   Data Acquisition                                   
   I/O Options Solid-state relay, high-speed parallel, low-speed  
               parallel                                           
   Data Bus    N/A                                                

<gopher://bitreich.org/I/th99/i/P-R/51967-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function      | Label |       Function        | Label |
   |--------------------+-------+-----------------------+-------|
   | PBX-721 header     |  CN1  | Power terminals (see  |  SC1  |
   |                    |       | pinout below)         |       |
   |--------------------+-------+-----------------------+-------|
   | I/O channel 1 (see |  CN2  | Terminals for         |  SC2  |
   | pinout below)      |       | channels 1 & 2 (see   |       |
   |                    |       | pinout below)         |       |
   |--------------------+-------+-----------------------+-------|
   | I/O channel 2 (see |  CN3  | Terminals for         |  SC3  |
   | pinout below)      |       | channels 1 & 3 (see   |       |
   |                    |       | pinout below)         |       |
   |--------------------+-------+-----------------------+-------|
   | I/O channel 3 (see |  CN4  |                       |       |
   | pinout below)      |       |                       |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       CN2-CN4 PINOUT                       |
   |------------------------------------------------------------|
   |       Function        | Pin  |       Function       | Pin  |
   |-----------------------+------+----------------------+------|
   | Bit 0                 |  1   | Bit 0                |  14  |
   |-----------------------+------+----------------------+------|
   | Bit 1                 |  2   | Bit 1                |  15  |
   |-----------------------+------+----------------------+------|
   | Bit 2                 |  3   | Bit 2                |  16  |
   |-----------------------+------+----------------------+------|
   | Bit 3                 |  4   | Bit 3                |  17  |
   |-----------------------+------+----------------------+------|
   | Bit 4                 |  5   | Bit 4                |  18  |
   |-----------------------+------+----------------------+------|
   | Bit 5                 |  6   | Bit 5                |  19  |
   |-----------------------+------+----------------------+------|
   | Bit 6                 |  7   | Bit 6                |  20  |
   |-----------------------+------+----------------------+------|
   | Bit 7                 |  8   | Bit 7                |  21  |
   |-----------------------+------+----------------------+------|
   | Not used              |  9   | Not used             |  22  |
   |-----------------------+------+----------------------+------|
   | Not used              |  10  | Not used             |  23  |
   |-----------------------+------+----------------------+------|
   | Not used              |  11  | Not used             |  24  |
   |-----------------------+------+----------------------+------|
   | Not used              |  12  | Not used             |  25  |
   |-----------------------+------+----------------------+------|
   | Not used              |  13  | Not used             |  26  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         SC1 PINOUT                         |
   |------------------------------------------------------------|
   |       Function       | Screw |      Function       | Screw |
   |----------------------+-------+---------------------+-------|
   | AC or +VDC in        |   1   | Power ground        |   3   |
   |----------------------+-------+---------------------+-------|
   | AC or -VDC in        |   2   |                     |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         SC2 PINOUT                         |
   |------------------------------------------------------------|
   |       Function       | Screw |      Function       | Screw |
   |----------------------+-------+---------------------+-------|
   | Channel 1 bit 0      |   1   | Channel 1 bit 6     |   7   |
   |----------------------+-------+---------------------+-------|
   | Channel 1 bit 1      |   2   | Channel 1 bit 7     |   8   |
   |----------------------+-------+---------------------+-------|
   | Channel 1 bit 2      |   3   | Channel 3 bit 0     |   9   |
   |----------------------+-------+---------------------+-------|
   | Channel 1 bit 3      |   4   | Channel 3 bit 1     |  10   |
   |----------------------+-------+---------------------+-------|
   | Channel 1 bit 4      |   5   | Channel 3 bit 2     |  11   |
   |----------------------+-------+---------------------+-------|
   | Channel 1 bit 5      |   6   | Channel 3 bit 3     |  12   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         SC3 PINOUT                         |
   |------------------------------------------------------------|
   |       Function       | Screw |      Function       | Screw |
   |----------------------+-------+---------------------+-------|
   | Channel 2 bit 0      |   1   | Channel 2 bit 6     |   7   |
   |----------------------+-------+---------------------+-------|
   | Channel 2 bit 1      |   2   | Channel 2 bit 7     |   8   |
   |----------------------+-------+---------------------+-------|
   | Channel 2 bit 2      |   3   | Channel 3 bit 4     |   9   |
   |----------------------+-------+---------------------+-------|
   | Channel 2 bit 3      |   4   | Channel 3 bit 5     |  10   |
   |----------------------+-------+---------------------+-------|
   | Channel 2 bit 4      |   5   | Channel 3 bit 6     |  11   |
   |----------------------+-------+---------------------+-------|
   | Channel 2 bit 5      |   6   | Channel 3 bit 7     |  12   |
   +------------------------------------------------------------+