CTC UNION TECHNOLOGIES CO., LTD.
================================

   ICCL-2

   Card Type   Current Loop Converter                             
   I/O Options Current loop via terminal block, RS-232 via DB-25  
               connector,                                         
                                                                  
               DC power                                           
   Data Bus    External                                           

<gopher://bitreich.org/I/th99/i/C-D/55153-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function     | Label |       Function       | Label |  |
   |------------------+-------+----------------------+-------|  |
   | Button -         |  BT   | Current loop via     |  CN2  |  |
   | unidentified     |       | terminal block       |       |  |
   | function         |       |                      |       |  |
   |------------------+-------+----------------------+-------|  |
   | RS-232 via DB-25 |  CN1  | DC power             |  CN3  |  |
   | connector        |       |                      |       |  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                 | Label | Position |
   |-----------------------------------------+-------+----------|
   | i 20mA operation                        |  SW1  |    On    |
   |-----------------------------------------+-------+----------|
   | 60mA operation                          |  SW1  |   Off    |
   |-----------------------------------------+-------+----------|
   | i Unit configured for DCE operation     |  SW2  |   Off    |
   |-----------------------------------------+-------+----------|
   | Unit configured for DTE operation       |  SW2  |    On    |
   |-----------------------------------------+-------+----------|
   | i Unit configured for active reception  |  SW3  |    On    |
   |-----------------------------------------+-------+----------|
   | Unit configured for passive reception   |  SW3  |   Off    |
   |-----------------------------------------+-------+----------|
   | i Unit configured for active            |  SW4  |   Off    |
   | transmission                            |       |          |
   |-----------------------------------------+-------+----------|
   | Unit configured for passive             |  SW4  |    On    |
   | transmission                            |       |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |  LED   |  Color  | Status  |           Condition           |
   |--------+---------+---------+-------------------------------|
   |  LED1  |   Red   |   On    |    Unit is receiving power    |
   |--------+---------+---------+-------------------------------|
   |  LED1  |   Red   |   Off   |  Unit is not receiving power  |
   |--------+---------+---------+-------------------------------|
   |   RD   |   Red   |   On    |    Unit is receiving data     |
   |--------+---------+---------+-------------------------------|
   |   RD   |   Red   |   Off   |  Unit is not receiving data   |
   |--------+---------+---------+-------------------------------|
   |   TD   |   Red   |   On    |   Unit is transmitting data   |
   |--------+---------+---------+-------------------------------|
   |   TD   |   Red   |   Off   | Unit is not transmitting data |
   +------------------------------------------------------------+