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

   PCM336

   Card Type              Modem (asynchronous)                    
   Chipset                Unidentified                            
   Maximum Data Rate      33.6Kbps                                
   Maximum Fax Rate       14.4Kbps                                
   Data Modulation        Bell 103A, 212A                         
                                                                  
                          ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                          V.32bis, V.34                           
                                                                  
                          Rockwell V.FC                           
   Fax Modulation         ITU-T V.17, V.27ter, V.29               
   Error                  MNP5, MNP10EC, V.42, V.42bis            
   Correction/Compression 
   Fax Class              Class I & II                            
   Data Bus               PCMCIA Type II                          

                                                            53751

   +------------------------------------------------------------+
   |                SUPPORTED STANDARD COMMANDS                 |
   |------------------------------------------------------------|
   |                     Basic AT Commands                      |
   |------------------------------------------------------------|
   | +++, A/                                                    |
   |------------------------------------------------------------|
   | A, B, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z             |
   |------------------------------------------------------------|
   | &C, &D, &F, &G, &K, &P, &S, &T, &V, &W, &Y, &Z             |
   |------------------------------------------------------------|
   |                    Extended AT Commands                    |
   |------------------------------------------------------------|
   | \A, \B, \L, \N, \V                                         |
   |------------------------------------------------------------|
   | %C, %E, %Q                                                 |
   |------------------------------------------------------------|
   |                    Special AT Commands                     |
   |------------------------------------------------------------|
   | #CID, :E, *H, -K, )M, @M, +MS, -Q                          |
   |------------------------------------------------------------|
   |                        S-Registers                         |
   |------------------------------------------------------------|
   | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
   | S18, S24, S25, S26, S29, S30, S32, S33                     |
   |------------------------------------------------------------|
   | S38, S46, S48, S82, S86, S91, S92, S95                     |
   |------------------------------------------------------------|
   |      Note: See MHI help file for complete information.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   UNIDENTIFIED COMMANDS                    |
   |------------------------------------------------------------|
   |          Command           |            Default            |
   |----------------------------+-------------------------------|
   |             \K             |               5               |
   |----------------------------+-------------------------------|
   |            S14             |         Unidentified          |
   |----------------------------+-------------------------------|
   |            S16             |         Unidentified          |
   |----------------------------+-------------------------------|
   |            S21             |         Unidentified          |
   |----------------------------+-------------------------------|
   |            S22             |         Unidentified          |
   |----------------------------+-------------------------------|
   |            S23             |         Unidentified          |
   |----------------------------+-------------------------------|
   |            S27             |         Unidentified          |
   |----------------------------+-------------------------------|
   |            S28             |         Unidentified          |
   |----------------------------+-------------------------------|
   |            S31             |         Unidentified          |
   |----------------------------+-------------------------------|
   |            S36             |               7               |
   |----------------------------+-------------------------------|
   |            S37             |               0               |
   |----------------------------+-------------------------------|
   |            S39             |               3               |
   |----------------------------+-------------------------------|
   |            S40             |              104              |
   |----------------------------+-------------------------------|
   |            S41             |              195              |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

   +------------------------------------------------------------+
   |                            DIAL                            |
   |------------------------------------------------------------|
   | Type:        | Immediate                                   |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] D<#>;[cmds]                       |
   |--------------+---------------------------------------------|
   | Description: | Dials the telephone number indicated        |
   |              | according to any modifiers included in the  |
   |              | string.                                     |
   |--------------+---------------------------------------------|
   |   Command    |                  Function                   |
   |--------------+---------------------------------------------|
   |      DP      | Pulse dialing enabled.                      |
   |--------------+---------------------------------------------|
   |     DS=n     | Dial stored telephone number n.             |
   |--------------+---------------------------------------------|
   |      DT      | Tone dialing enabled.                       |
   |--------------+---------------------------------------------|
   |      DW      | Dialing resumed following dial tone         |
   |              | detection.                                  |
   |--------------+---------------------------------------------|
   |      D,      | Dialing paused for amount of time specified |
   |              | in S8 register.                             |
   |--------------+---------------------------------------------|
   |      D!      | Flash function initiated. Modem commanded   |
   |              | to go off-hook for specified time before    |
   |              | returning on-hook.                          |
   |--------------+---------------------------------------------|
   |      D@      | Wait for Quiet Answer function enabled.     |
   |              | Modem waits until a "quiet answer," a       |
   |              | ring-back signal followed by silence up to  |
   |              | the time specified in S7, is received prior |
   |              | to executing the rest of the dial string.   |
   |--------------+---------------------------------------------|
   |      D^      | Calling tone disabled for this call.        |
   |--------------+---------------------------------------------|
   |      D&      | Wait for prompt tone detection function     |
   |              | enabled. Waits for prompt tone for amount   |
   |              | of time specified by the S7 command.        |
   |--------------+---------------------------------------------|
   |      D;      | Modem returned to idle state after dialing. |
   |              | The semicolon can only be placed at the end |
   |              | of the dial command.                        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    DISPLAY INFORMATION                     |
   |------------------------------------------------------------|
   | Type:        | Immediate                                   |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] In [cmds]                         |
   |--------------+---------------------------------------------|
   | Description: | Displays information requested about the    |
   |              | modem.                                      |
   |--------------+---------------------------------------------|
   |   Command    |                  Function                   |
   |--------------+---------------------------------------------|
   |      I0      | Displays product identification code.       |
   |--------------+---------------------------------------------|
   |      I1      | Performs ROM testing.                       |
   |--------------+---------------------------------------------|
   |      I2      | Performs RAM testing.                       |
   |--------------+---------------------------------------------|
   |      I3      | Displays firmware revision.                 |
   |--------------+---------------------------------------------|
   |      I4      | Displays internal factory ID.               |
   |--------------+---------------------------------------------|
   |      I6      | Displays data pump version.                 |
   |--------------+---------------------------------------------|
   |      I7      | Displays DAA code.                          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        MNP10EC MODE                        |
   |------------------------------------------------------------|
   | Type:        | Configuration                               |
   |--------------+---------------------------------------------|
   | Format:      | AT [cmds] -SEC=n [cmds]                     |
   |--------------+---------------------------------------------|
   | Description: | Selects whether the modem will attempt to   |
   |              | use MNP10EC mode during the handshaking     |
   |              | sequence.                                   |
   |------------------------------------------------------------|
   |     Command     |                 Function                 |
   |-----------------+------------------------------------------|
   |     -SEC=0      | MNP10EC handshaking disabled unless a    |
   |                 | V.34 connection is attempted via a       |
   |                 | cellular line.                           |
   |-----------------+------------------------------------------|
   |    i -SEC=1     | MNP10EC handshaking enabled.             |