MOTOROLA, INC.
==============

   212A/D

   Card Type                Modem (synchronous/asynchronous)      
   Chip Set                 Unidentified                          
   Maximum Data Rate        1200bps                               
   Data Bus                 External                              
   Data Modulation Protocol Bell 212A                             

<gopher://bitreich.org/I/th99/t/M-O/52225-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |    Function     | Label  |     Function     |    Label     |
   |------------------------------------------------------------|
   | Line out            |   CN1    | AC power in        | CN4  |
   |---------------------+----------+--------------------+------|
   | Line in             |   CN2    | Talk/data switch   | SW1  |
   |---------------------+----------+--------------------+------|
   | RS-232/422          |   CN3    | 300/1200bps switch | SW2  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Setting                 | Label | Position  |
   |----------------------------------------+-------+-----------|
   | i Chassis ground connected to signal   |  JP1  | Pins 2 &  |
   | ground                                 |       | 3 closed  |
   |----------------------------------------+-------+-----------|
   | Chassis ground not connected to signal |  JP1  | Pins 1 &  |
   | ground                                 |       | 2 closed  |
   |----------------------------------------+-------+-----------|
   | i Transmit level set to -9             |  JP2  | Pins 2 &  |
   | (permissive)                           |       | 3 closed  |
   |----------------------------------------+-------+-----------|
   | Transmit level set to programmable     |  JP2  | Pins 1 &  |
   |                                        |       | 2 closed  |
   |----------------------------------------+-------+-----------|
   | i Factory configured - do not alter    | S1/1  |    N/A    |
   |----------------------------------------+-------+-----------|
   | i Automatic Call Unit returns verbose  | S1/2  |    Off    |
   | result codes                           |       |           |
   |----------------------------------------+-------+-----------|
   | Automatic Call Unit returns numeric    | S1/2  |    On     |
   | result codes                           |       |           |
   |----------------------------------------+-------+-----------|
   | i Automatic Call Unit enabled          | S1/7  |    On     |
   |----------------------------------------+-------+-----------|
   | Automatic Call Unit disabled           | S1/7  |    Off    |
   |----------------------------------------+-------+-----------|
   | i XXXT<CR> escape sequence enabled     | S1/8  |    On     |
   |----------------------------------------+-------+-----------|
   | XXXT<CR> escape sequence disabled      | S1/8  |    Off    |
   |----------------------------------------+-------+-----------|
   | i Modem operates in originate mode     | S2/1  |    Off    |
   | when forced to manual                  |       |           |
   |----------------------------------------+-------+-----------|
   | Modem operates in answer mode when     | S2/1  |    On     |
   | forced to manual                       |       |           |
   |----------------------------------------+-------+-----------|
   | i Switched-line mode                   | S2/2  |    Off    |
   |----------------------------------------+-------+-----------|
   | Leased-line mode                       | S2/2  |    On     |
   |----------------------------------------+-------+-----------|
   | i Disconnect modem on receipt of a     | S2/3  |    On     |
   | long space                             |       |           |
   |----------------------------------------+-------+-----------|
   | Do not disconnect modem on receipt of  | S2/3  |    Off    |
   | a long space                           |       |           |
   |----------------------------------------+-------+-----------|
   | i Transmit long space on disconnect    | S2/4  |    On     |
   |----------------------------------------+-------+-----------|
   | Do not transmit long space on          | S2/4  |    Off    |
   | disconnect                             |       |           |
   |----------------------------------------+-------+-----------|
   | i Auto-answer enabled                  | S2/5  |    On     |
   |----------------------------------------+-------+-----------|
   | Auto-answer disabled                   | S2/5  |    Off    |
   |----------------------------------------+-------+-----------|
   | i Disconnect on loss of carrier        | S2/6  |    On     |
   |----------------------------------------+-------+-----------|
   | Disconnect after 18s loss of carrier   | S2/6  |    Off    |
   |----------------------------------------+-------+-----------|
   | i Disconnect modem on low DTR          | S2/7  |    On     |
   |----------------------------------------+-------+-----------|
   | Do not disconnect modem on low DTR     | S2/7  |    Off    |
   |----------------------------------------+-------+-----------|
   | i Line will not be set busy during     | S2/8  |    Off    |
   | test modes                             |       |           |
   |----------------------------------------+-------+-----------|
   | Line will be set busy during test      | S2/8  |    On     |
   | modes                                  |       |           |
   |----------------------------------------+-------+-----------|
   | i DTR normal                           | S3/1  |    Off    |
   |----------------------------------------+-------+-----------|
   | DTR forced high                        | S3/1  |    On     |
   |----------------------------------------+-------+-----------|
   | i Pin 23 of RS-232 port ignored        | S3/2  |    Off    |
   |----------------------------------------+-------+-----------|
   | Speed set to 1200bps when pin 23 of    | S3/2  |    On     |
   | RS-232 port is high                    |       |           |
   |----------------------------------------+-------+-----------|
   | i Pin 25 of RS-232 port ignored        | S3/3  |    Off    |
   |----------------------------------------+-------+-----------|
   | Analog loopback test performed when    | S3/3  |    On     |
   | pin 25 of RS-232 port is high          |       |           |
   |----------------------------------------+-------+-----------|
   | i Pin 12 of RS-232 port has no         | S3/4  |    Off    |
   | function                               |       |           |
   |----------------------------------------+-------+-----------|
   | Pin 12 of RS-232 port high indicates   | S3/4  |    On     |
   | speed set to 1200bps                   |       |           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      HANDSET POLARITY                      |
   |------------------------------------------------------------|
   |     Setting      |        JP3         |        JP4         |
   |------------------+--------------------+--------------------|
   |     i Normal     | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |     Reversed     | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     RECEIVED CD SIGNAL                     |
   |------------------------------------------------------------|
   |      Setting       |       S1/3        |       S1/4        |
   |--------------------+-------------------+-------------------|
   |     Forced low     |        Off        |        Off        |
   |--------------------+-------------------+-------------------|
   |    Forced high     |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |   Low when idle    |        On         |        Off        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 RESET TO FACTORY DEFAULTS                  |
   |------------------------------------------------------------|
   |       Setting       |       S1/3        |       S1/4       |
   |---------------------+-------------------+------------------|
   | i Normal operation  |  See above table  | See above table  |
   |---------------------+-------------------+------------------|
   | Reset configuration |        On         |        On        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        DATA FORMAT                         |
   |------------------------------------------------------------|
   |             Setting             |    S1/5     |    S1/6    |
   |---------------------------------+-------------+------------|
   |  9-bit characters, async mode   |     Off     |    Off     |
   |---------------------------------+-------------+------------|
   | i 10-bit characters, async mode |     Off     |     On     |
   |---------------------------------+-------------+------------|
   |  11-bit characters, async mode  |     On      |    Off     |
   |---------------------------------+-------------+------------|
   |        Synchronous mode         |     On      |     On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        CLOCK SOURCE                        |
   |------------------------------------------------------------|
   |    Setting    |    JP6/A     |    JP6/B     |    JP6/C     |
   |---------------+--------------+--------------+--------------|
   |     Slave     |     Open     |     Open     |    Closed    |
   |---------------+--------------+--------------+--------------|
   |   Internal    |     Open     |    Closed    |     Open     |
   |---------------+--------------+--------------+--------------|
   |   External    |    Closed    |     Open     |     Open     |
   +------------------------------------------------------------+

   +--------------------------------------------------+
   |                DIAGNOSTIC LED(S)                 |
   |--------------------------------------------------|
   |      The functions of the LEDs are unidentified. |
   +--------------------------------------------------+