RAD DATA COMMUNICATIONS, INC.
=============================

   MME/F

   Card Type         Modem eliminator                             
   Chipset           Unidentified                                 
   Maximum Data Rate 19.2Kbps                                     
   Data Bus          Serial                                       

<gopher://bitreich.org/I/th99/t/P-R/52744-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Function       | Label |      Function       | Label |
   |----------------------+-------+---------------------+-------|
   | Serial port 1        |  J1   | Serial port 2       |  J2   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Setting                 | Label | Position  |
   |----------------------------------------+-------+-----------|
   | i Serial port 1 CD signal forced high  |  JP4  | Pins 2 &  |
   |                                        |       | 3 closed  |
   |----------------------------------------+-------+-----------|
   | Serial port 1 CD signal follows RTS    |  JP4  | Pins 1 &  |
   |                                        |       | 2 closed  |
   |----------------------------------------+-------+-----------|
   | i Serial port 2 CD signal forced high  |  JP5  | Pins 2 &  |
   |                                        |       | 3 closed  |
   |----------------------------------------+-------+-----------|
   | Serial port 2 CD signal follows RTS    |  JP5  | Pins 1 &  |
   |                                        |       | 2 closed  |
   |----------------------------------------+-------+-----------|
   | i Signal ground connected to chassis   |  JP6  |  Closed   |
   | ground                                 |       |           |
   |----------------------------------------+-------+-----------|
   | Signal ground not connected to chassis |  JP6  |   Open    |
   | ground                                 |       |           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    LINE SPEED SELECTION                    |
   |------------------------------------------------------------|
   |  Setting  |  JP3/A  |  JP3/B  |  JP3/C  |  JP3/D  | JP3/E  |
   |-----------+---------+---------+---------+---------+--------|
   |  1200bps  |  Open   |  Open   |  Open   |  Open   | Closed |
   |-----------+---------+---------+---------+---------+--------|
   |  2400bps  |  Open   |  Open   |  Open   | Closed  |  Open  |
   |-----------+---------+---------+---------+---------+--------|
   |  4800bps  |  Open   |  Open   | Closed  |  Open   |  Open  |
   |-----------+---------+---------+---------+---------+--------|
   | i 9600bps |  Open   | Closed  |  Open   |  Open   |  Open  |
   |-----------+---------+---------+---------+---------+--------|
   | 19.2Kbps  | Closed  |  Open   |  Open   |  Open   |  Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               SERIAL PORT 1 RTS TO CTS DELAY               |
   |------------------------------------------------------------|
   |    Setting    |    JP2/A     |    JP2/B     |    JP2/C     |
   |---------------+--------------+--------------+--------------|
   |     0 mS      |    Closed    |     Open     |     Open     |
   |---------------+--------------+--------------+--------------|
   |   i 6.6 mS    |     Open     |    Closed    |     Open     |
   |---------------+--------------+--------------+--------------|
   |     53 mS     |     Open     |     Open     |    Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               SERIAL PORT 2 RTS TO CTS DELAY               |
   |------------------------------------------------------------|
   |    Setting    |    JP1/A     |    JP1/B     |    JP1/C     |
   |---------------+--------------+--------------+--------------|
   |     0 mS      |    Closed    |     Open     |     Open     |
   |---------------+--------------+--------------+--------------|
   |   i 6.6 mS    |     Open     |    Closed    |     Open     |
   |---------------+--------------+--------------+--------------|
   |     53 mS     |     Open     |     Open     |    Closed    |
   +------------------------------------------------------------+