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

   3261/3266

   Modem Type             Data (synchronous/asynchronous)         
   Maximum Data Rate      14.4Kbps                                
   Data Bus               External                                
   Data Modulation        Bell 103A/212A                          
   Protocol                                                       
                          ITU-T V.21, V.22, V.22bis, V.32,        
                          V.32bis                                 
   Error                  MNP5, V.42, V.42bis                     
   Correction/Compression                                         
                          Motorola Codex                          

<gopher://bitreich.org/I/th99/t/M-O/51279-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose      | Location |     Purpose      | Location |
   |-------------------+----------+------------------+----------|
   | RETURN button     |   BT1    | Leased line out  |   CN3    |
   |-------------------+----------+------------------+----------|
   | DOWN button       |   BT2    | 120VAC power     |   CN4    |
   |-------------------+----------+------------------+----------|
   | ACROSS button     |   BT3    | RS-232/422       |   CN5    |
   |-------------------+----------+------------------+----------|
   | ENTER button      |   BT4    | Network control  |   CN6    |
   | (Talk/Data)       |          | out              |          |
   |-------------------+----------+------------------+----------|
   | Switched line out |   CN1    | Network control  |   CN7    |
   |                   |          | in               |          |
   |-------------------+----------+------------------+----------|
   | Line in           |   CN2    | Power switch     |   SW1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               ELECTRICAL INTERFACE SELECTION               |
   |------------------------------------------------------------|
   | Interface                     |           SW2/1            |
   |-------------------------------+----------------------------|
   |>> EIA/TIA 232-D               |             On             |
   |-------------------------------+----------------------------|
   | ITU-T V.35                    |            Off             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  TEST/BUSY OUT ON PIN 25                   |
   |------------------------------------------------------------|
   | Mode                                         |    SW2/2    |
   |----------------------------------------------+-------------|
   |>> Enable busy out when pin 25 is high        |     Off     |
   |----------------------------------------------+-------------|
   | Self test is in progress when pin 25 is high |     On      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 FRONT PANEL CONFIGURATION                  |
   |------------------------------------------------------------|
   | Mode                          |           SW2/3            |
   |-------------------------------+----------------------------|
   |>> Front panel enabled         |            Off             |
   |-------------------------------+----------------------------|
   | Front panel disabled          |             On             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        RESET MEMORY                        |
   |------------------------------------------------------------|
   | Mode                            |          SW2/4           |
   |---------------------------------+--------------------------|
   |>> Normal operation              |           Off            |
   |---------------------------------+--------------------------|
   | Reset modem to factory settings |            On            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        COMMAND SETS                        |
   |------------------------------------------------------------|
   | Mode                          |           SW2/5            |
   |-------------------------------+----------------------------|
   |>> Command sets enabled        |            Off             |
   |-------------------------------+----------------------------|
   | Command sets disabled         |             On             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             FACTORY CONFIGURED - DO NOT ALTER              |
   |------------------------------------------------------------|
   |           Switch            |           Position           |
   |-----------------------------+------------------------------|
   |            SW2/6            |             Off              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |  LED  | Color | Status |             Condition             |
   |-------+-------+--------+-----------------------------------|
   |  RD   |  Red  |   On   |      Modem is receiving data      |
   |-------+-------+--------+-----------------------------------|
   |  RD   |  Red  |  Off   |    Modem is not receiving data    |
   |-------+-------+--------+-----------------------------------|
   |  TR   |  Red  |   On   |        DTR signal is high         |
   |-------+-------+--------+-----------------------------------|
   |  TR   |  Red  |  Off   |         DTR signal is low         |
   |-------+-------+--------+-----------------------------------|
   | RI/OH |  Red  |   On   |  Switched line is off-hook or is  |
   |       |       |        |              ringing              |
   |-------+-------+--------+-----------------------------------|
   | RI/OH |  Red  |  Off   |  Switched line is on-hook and is  |
   |       |       |        |            not ringing            |
   |-------+-------+--------+-----------------------------------|
   |  TD   |  Red  |   On   |    Modem is transmitting data     |
   |-------+-------+--------+-----------------------------------|
   |  TD   |  Red  |  Off   |  Modem is not transmitting data   |
   |-------+-------+--------+-----------------------------------|
   |  CD   |  Red  |   On   |      Carrier signal detected      |
   |-------+-------+--------+-----------------------------------|
   |  CD   |  Red  |  Off   |    Carrier signal not detected    |
   |-------+-------+--------+-----------------------------------|
   | RC/NC |  Red  |   On   | Modem is under remote or network  |
   |       |       |        |              control              |
   |-------+-------+--------+-----------------------------------|
   | RC/NC |  Red  |  Off   |   Modem is under local control    |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

           See document V1280 for a full command summary.