MULTI-TECH SYSTEMS, INC.
========================

   MT1432MK-MAC, MT1432MU-MAC, MT1432MUI-MAC

   Card Type              Modem (asynchronous)                    
   Chipset                Multi-Tech Systems, Inc.                
   Maximum Data Rate      14.4Kbps                                
   Maximum Fax Rate       14.4Kbps                                
   Data Modulation        Bell 103A, 113, 212A                    
                                                                  
                          ITU-T V.21 (MT1432MUI only), V.22,      
                          V.22bis, V.23, V.32, V.32bis            
   Fax Modulation         ITU-T V.17, V.21CH2, V.27ter, V.29      
   Error                  MNP5, V.42, V.42bis                     
   Correction/Compression 
   Fax Class              Class II                                
   Data Bus               Serial                                  

<gopher://bitreich.org/I/th99/t/M-O/53327-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Function        | Label |      Function      | Label |
   |-----------------------+-------+--------------------+-------|
   | 9V DC power in        |  CN1  | Telephone line out |  CN3  |
   |-----------------------+-------+--------------------+-------|
   | Macintosh serial port |  CN2  |                    |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 AUTO-ANSWER CONFIGURATION                  |
   |------------------------------------------------------------|
   |             Setting             |           SW1            |
   |---------------------------------+--------------------------|
   | Standby, wait for incoming call |        Position 3        |
   |---------------------------------+--------------------------|
   |               Off               |        Position 2        |
   |---------------------------------+--------------------------|
   |               On                |        Position 1        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |  LED  |  Color  | Status  |           Condition            |
   |-------+---------+---------+--------------------------------|
   |  TD   |   Red   |   On    |   Modem is transmitting data   |
   |-------+---------+---------+--------------------------------|
   |  TD   |   Red   |   Off   | Modem is not transmitting data |
   |-------+---------+---------+--------------------------------|
   |  RD   |   Red   |   On    |    Modem is receiving data     |
   |-------+---------+---------+--------------------------------|
   |  RD   |   Red   |   Off   |  Modem is not receiving data   |
   |-------+---------+---------+--------------------------------|
   |  CD   |   Red   |   On    |    Carrier signal detected     |
   |-------+---------+---------+--------------------------------|
   |  CD   |   Red   |   Off   |  Carrier signal not detected   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DIAGNOSTIC LED(S) (CON'T)                  |
   |------------------------------------------------------------|
   |   14   |  Color  |   96   | Color |       Condition        |
   | Status |         | Status |       |                        |
   |--------+---------+--------+-------+------------------------|
   |   On   |   Red   |   On   |  Red  |   Modem connected at   |
   |        |         |        |       |   12Kbps in V.32bis    |
   |--------+---------+--------+-------+------------------------|
   |  Off   |   Red   |   On   |  Red  |   Modem connected at   |
   |        |         |        |       |        9600bps         |
   |--------+---------+--------+-------+------------------------|
   |   On   |   Red   |  Off   |  Red  |   Modem connected at   |
   |        |         |        |       |        14.4Kbps        |
   |--------+---------+--------+-------+------------------------|
   |  Off   |   Red   |  Off   |  Red  |   Modem connected at   |
   |        |         |        |       |  slower than 9600bps   |
   |------------------------------------------------------------|
   |    LED     |  Color   |   Status   |       Condition       |
   |------------+----------+------------+-----------------------|
   |     24     |   Red    |     On     |  Modem connected at   |
   |            |          |            |        2400bps        |
   |------------+----------+------------+-----------------------|
   |     24     |   Red    |    Off     |  Modem not connected  |
   |            |          |            |      at 2400bps       |
   |------------+----------+------------+-----------------------|
   |     12     |   Red    |     On     |  Modem connected at   |
   |            |          |            |        1200bps        |
   |------------+----------+------------+-----------------------|
   |     12     |   Red    |    Off     |  Modem not connected  |
   |            |          |            |      at 1200bps       |
   |------------+----------+------------+-----------------------|
   |     OH     |   Red    |     On     |   Modem is off-hook   |
   |------------+----------+------------+-----------------------|
   |     OH     |   Red    |  Blinking  |  Modem is dialing in  |
   |            |          |            |      pulse mode       |
   |------------+----------+------------+-----------------------|
   |     OH     |   Red    |    Off     |   Modem is on-hook    |
   |------------+----------+------------+-----------------------|
   |     TR     |   Red    |     On     |  DTR signal is high   |
   |------------+----------+------------+-----------------------|
   |     TR     |   Red    |    Off     |   DTR signal is low   |
   |------------+----------+------------+-----------------------|
   |     EC     |   Red    |     On     |   Error correction    |
   |            |          |            |        enabled        |
   |------------+----------+------------+-----------------------|
   |     EC     |   Red    |  Blinking  |   Data compression    |
   |            |          |            |        enabled        |
   |------------+----------+------------+-----------------------|
   |     EC     |   Red    |    Off     |   Error correction    |
   |            |          |            |       disabled        |
   |------------+----------+------------+-----------------------|
   |     FX     |   Red    |     On     | Modem is connected in |
   |            |          |            |       FAX mode        |
   |------------+----------+------------+-----------------------|
   |     FX     |   Red    |    Off     |     Modem is not      |
   |            |          |            | connected in FAX mode |
   |------------+----------+------------+-----------------------|
   |     LB     |   Red    |     On     |    Battery is low     |
   |            |          |            |  (approx. 10 minutes  |
   |            |          |            |         left)         |
   |------------+----------+------------+-----------------------|
   |     LB     |   Red    |    Off     |    Battery is good    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SUPPORTED STANDARD COMMANDS                 |
   |------------------------------------------------------------|
   |                     Basic AT Commands                      |
   |------------------------------------------------------------|
   | +++, A/                                                    |
   |------------------------------------------------------------|
   | A, B, D, E, H, M, O, P, T, V, X, Y, Z                      |
   |------------------------------------------------------------|
   | &D, &G, &P, &T                                             |
   |------------------------------------------------------------|
   |                        S-Registers                         |
   |------------------------------------------------------------|
   | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S25, S30 |
   |------------------------------------------------------------|
   |      Note: See MHI help file for complete information.     |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

 See MULTI-TECH SYSTEMS, INC. MT1432MU for a full command summary.