MAXTECH CORPORATION
===================

   14400BPS TURBOMODEM INTERNAL

   Card Type              Modem (asynchronous)                    
   Chip Set               Unidentified                            
   Maximum Data Rate      14.4Kbps                                
   Data Bus               8-bit ISA                               
   Data Modulation        Bell 103/212A                           
   Protocol                                                       
                          ITU-T V.21, V.22, V.22bis, V.32,        
                          V.32bis                                 
   Error                  MNP5, V.42, V.42bis                     
   Correction/Compression 

<gopher://bitreich.org/I/th99/t/M-O/52332-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Function        |  Label   |   Function   |  Label  |
   |------------------------------------------------------------|
   | Line in                     |    CN1     | Line out | CN2  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    SERIAL PORT ADDRESS                     |
   |------------------------------------------------------------|
   |      Setting       |       SW1/1       |       SW1/2       |
   |--------------------+-------------------+-------------------|
   |   i COM1 (3F8h)    |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |    COM2 (2F8h)     |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |    COM3 (3E8h)     |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |    COM4 (2E8h)     |        Off        |        Off        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         INTERRUPT                          |
   |------------------------------------------------------------|
   |  Setting   |   SW1/3   |   SW1/4   |   SW1/5   |   SW1/6   |
   |------------+-----------+-----------+-----------+-----------|
   |     2      |    On     |    Off    |    Off    |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |     3      |    Off    |    On     |    Off    |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |    i 4     |    Off    |    Off    |    On     |    Off    |
   |------------+-----------+-----------+-----------+-----------|
   |     5      |    Off    |    Off    |    Off    |    On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   SUPPORTED COMMAND SET                    |
   |------------------------------------------------------------|
   |                     Basic AT Commands                      |
   |------------------------------------------------------------|
   | AT, '+++', 'Comma', A/                                     |
   |------------------------------------------------------------|
   | A, B, D, E, H, L, M, O, Q, S, V, X, Y, Z                   |
   |------------------------------------------------------------|
   | &C, &D, &G, &L, &M, &P, &R, &S, &T, &V, &W, &X, &Y, &Z     |
   |------------------------------------------------------------|
   |                    Extended AT Commands                    |
   |------------------------------------------------------------|
   | \A, \B, \C, \E, \G, \J, \K, \O, \Q, \U, \V, \X, \Y, \Z,    |
   | %A, %C                                                     |
   |------------------------------------------------------------|
   |                        S Registers                         |
   |------------------------------------------------------------|
   | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
   | S14, S16, S18, S21, S22, S23, S25, S26, S27                |
   |------------------------------------------------------------|
   | Note: See MHI Help file for full command documentation.    |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

   +------------------------------------------------------------+
   |                   ANSWER/ORIGINATE TONES                   |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] &Kn [cmds]                        |
   |--------------+---------------------------------------------|
   | Description: | Select the type of tone the modem will use  |
   |              | to connect                                  |
   |------------------------------------------------------------|
   |        Command         |             Function              |
   |------------------------+-----------------------------------|
   |         i &K0          | Originate tones enabled           |
   |------------------------+-----------------------------------|
   |          &K1           | Answer tones enabled              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PROPRIETARY BIT MAPPED REGISTERS              |
   |------------------------------------------------------------|
   | Register |             Function             |   Default    |
   |----------+----------------------------------+--------------|
   |   S28    |  Callback security and power-up  | Unidentified |
   |          |            auto-dial             |              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     CALLLBACK SECURITY                     |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] %Sn [cmds]                        |
   |--------------+---------------------------------------------|
   | Description: | Controls callback security                  |
   |------------------------------------------------------------|
   |    Command     |                 Function                  |
   |----------------+-------------------------------------------|
   |     i %S0      | Callback security disabled                |
   |----------------+-------------------------------------------|
   |      %S1       | Callback security enabled                 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        CONNECT MODE                        |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] \Nn [cmds]                        |
   |--------------+---------------------------------------------|
   | Description: | Controls the type of connection the modem   |
   |              | will operate in                             |
   |--------------+---------------------------------------------|
   |   Command    |                  Function                   |
   |--------------+---------------------------------------------|
   |    i \N0     | Normal mode enabled                         |
   |--------------+---------------------------------------------|
   |     \N1      | Direct mode enabled                         |
   |--------------+---------------------------------------------|
   |     \N2      | Reliable mode enabled                       |
   |--------------+---------------------------------------------|
   |     \N3      | Auto-reliable mode enabled                  |
   |--------------+---------------------------------------------|
   |     \N4      | V.42 reliable mode enabled                  |
   |--------------+---------------------------------------------|
   |     \N5      | V.42 auto-reliable mode enabled             |
   |--------------+---------------------------------------------|
   |     \N6      | V.42/MNP/normal mode enabled                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                          ENQ/ACK                           |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] \Hn [cmds]                        |
   |--------------+---------------------------------------------|
   | Description: | Allows modem to act on, then transmit       |
   |              | XON/XOFF characters.                        |
   |--------------+---------------------------------------------|
   |   Command    |                  Function                   |
   |--------------+---------------------------------------------|
   |    i \H0     | Disabled                                    |
   |--------------+---------------------------------------------|
   |     \H1      | ENQ/ACK enabled in host mode                |
   |--------------+---------------------------------------------|
   |     \H2      | ENQ/ACK enabled in terminal mode            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  FACTORY DEFAULT PROFILE                   |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] &Fn [cmds]                        |
   |--------------+---------------------------------------------|
   | Description: | Sets values in active profile to values     |
   |              | found in the default profile                |
   |------------------------------------------------------------|
   |    Command    |                  Function                  |
   |---------------+--------------------------------------------|
   |     i &F0     | Factory defaults enabled                   |
   |---------------+--------------------------------------------|
   |      &F1      | MNP5/V.42bis configuration with XOFF flow  |
   |               | control enabled                            |
   |---------------+--------------------------------------------|
   |      &F2      | MNP5/V.42bis configuration with CTS flow   |
   |               | control enabled                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      INACTIVITY TIMER                      |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] \Tn [cmds]                        |
   |--------------+---------------------------------------------|
   | Default:     | 0                                           |
   |--------------+---------------------------------------------|
   | Range:       | 0-90                                        |
   |--------------+---------------------------------------------|
   | Unit:        | 1 minute                                    |
   |--------------+---------------------------------------------|
   | Description: | Sets the length of time that the modem does |
   |              | not receive information before it           |
   |              | disconnects.                                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     REPORT INFORMATION                     |
   |------------------------------------------------------------|
   | Type:        | Immediate                                   |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] In [cmds]                         |
   |--------------+---------------------------------------------|
   | Description: | Displays information requested              |
   |--------------+---------------------------------------------|
   |   Command    |                  Function                   |
   |--------------+---------------------------------------------|
   |      I0      | Reports product code                        |
   |--------------+---------------------------------------------|
   |      I1      | Reports ROM checksum                        |
   |--------------+---------------------------------------------|
   |      I2      | Tests internal memory                       |
   |--------------+---------------------------------------------|
   |      I3      | Reports MNP/V.42/V.42bis identification     |
   +------------------------------------------------------------+