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# 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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line in | CN1 | Line out | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS |
|------------------------------------------------------------|
| Setting | SW1/1 | SW1/2 |
|--------------------+-------------------+-------------------|
| í 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 |
|------------+-----------+-----------+-----------+-----------|
| í 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 |
|------------------------+-----------------------------------|
| í &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 |
|----------------+-------------------------------------------|
| í %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 |
|--------------+---------------------------------------------|
| í \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 |
|--------------+---------------------------------------------|
| í \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 |
|---------------+--------------------------------------------|
| í &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 |
+------------------------------------------------------------+