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# SIMPLE TECHNOLOGY, INC.
Card Type Modem (asynchronous)
Chipset Unidentified
I/O Options Voice
Maximum Data Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A, 212A
ITU-T V.21, V.22bis V.23, V.32,
V.32bis, V.34
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
53850
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, ‘comma’, A/ |
|------------------------------------------------------------|
| A, B, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z |
|------------------------------------------------------------|
| &C, &D, &F, &G, &K, &P, &Q, &R, &S, &T, &V, &W, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \B, \G, \J, \K, \L, \N |
|------------------------------------------------------------|
| %C, %E, %L, %Q |
|------------------------------------------------------------|
| Special AT Commands |
|------------------------------------------------------------|
| :E, *H, -K, )M, @M, -Q |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S14, S16, S18, S21, S22, S23, S24, S25 |
|------------------------------------------------------------|
| S27, S29, S30, S31, S32, S33, S36, S38, S46, S48, S82, |
| S86, S95, S201 |
|------------------------------------------------------------|
| Note: See MHI help file for complete information. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S40 |
|------------------------------------------------------------|
| Format: | AT [cmds] S40? [cmds] |
|----------------+-------------------------------------------|
| Default: | Read-only |
|----------------+-------------------------------------------|
| Range: | 0 - 238 |
|----------------+-------------------------------------------|
| Description: | Controls MNP10 negotiation and power |
| | level adjustment, break type, and MNP |
| | block size. |
|------------------------------------------------------------|
| Bit | Value | Function |
|------------------------------------------------------------|
| 1, 0 | 00 | MNP10 disabled. |
| | | |
| | 01 | MNP10 enabled. |
| | | |
| | 10 | MNP10 enabled; MNP10 used in answer |
| | | mode only if remote modem specifically |
| | | requests it. |
|------------------------------------------------------------|
| 2 | 0 | MNP10 power level adjustment disabled. |
| | | |
| | 1 | MNP10 power level adjustment enabled. |
|------------------------------------------------------------|
| 5 - 3 | 000 | \K0 set. |
| | | |
| | 001 | \K1 set. |
| | | |
| | 010 | \K2 set. |
| | | |
| | 011 | \K3 set. |
| | | |
| | 100 | \K4 set. |
| | | |
| | 101 | \K5 set. |
|-------------+-----+----------------------------------------|
| 7, 6 | 00 | MNP block size is 64 characters. |
| | | |
| | 01 | MNP block size is 128 characters. |
| | | |
| | 10 | MNP block size is 192 characters. |
| | | |
| | 11 | MNP block size is 256 characters. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S41 |
|------------------------------------------------------------|
| Format | AT [cmds] S41? [cmds] |
|--------------+---------------------------------------------|
| Default: | Read-only |
|--------------+---------------------------------------------|
| Range: | 0 - 219 |
|--------------+---------------------------------------------|
| Description: | Selects compression, auto-retrain, flow |
| | control, MNP type, and low-speed MNP10. |
|--------------+---------------------------------------------|
| Note: | Be aware that bit 6 is out of order. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 1, 0 | 00 | Data compression disabled. |
| | | |
| | 01 | MNP5 enabled. |
| | | |
| | 10 | V.42bis enabled. |
| | | |
| | 11 | MNP5 and V.42bis enabled. |
|------+-------+---------------------------------------------|
| 6, 2 | 00 | Auto-retrain disabled. |
| | | |
| | 01 | Auto-retrain enabled. |
| | | |
| | 10 | Auto-fallback/fall-forward enabled. |
|------+-------+---------------------------------------------|
| 3 | 0 | Flow control disabled. |
| | | |
| | 1 | Flow control enabled. |
|------+-------+---------------------------------------------|
| 4 | 0 | Stream mode for MNP. |
| | | |
| | 1 | Block mode for MNP. |
|------+-------+---------------------------------------------|
| 5 | 0 | Not used. |
|------+-------+---------------------------------------------|
| 7 | 0 | MNP10 at 2400 and 1200bps disabled. |
| | | |
| | 1 | MNP10 at 2400 and 1200bps enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] D<#>;[cmds] |
|--------------+---------------------------------------------|
| Description: | Dials the telephone number indicated |
| | according to any modifiers included in the |
| | string. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| DJ | MNP10 link will be negotiated at 1200bps |
| | for this call. |
|--------------+---------------------------------------------|
| DK | MNP10 power level adjustment enabled for |
| | this call. |
|--------------+---------------------------------------------|
| DL | Re-dial last number. |
|--------------+---------------------------------------------|
| 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& | Wait for prompt tone detection function |
| | enabled. Waits for prompt tone for amount |
| | of time specified by the S7 command. |
|--------------+---------------------------------------------|
| D^ | Calling tone disabled for this call. |
|--------------+---------------------------------------------|
| 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 | Displays ROM checksum. |
|--------------+---------------------------------------------|
| I3 | Displays firmware revision. |
|--------------+---------------------------------------------|
| I4 | Displays modem identifier. |
|--------------+---------------------------------------------|
| I5 | Displays country code. |
|--------------+---------------------------------------------|
| I6 | Displays data pump version. |
|--------------+---------------------------------------------|
| I7 | Displays DAA code. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Register (read-only) |
|--------------+---------------------------------------------|
| Format | AT [cmds] S39? [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays the current flow control. |
|--------------+---------------------------------------------|
| Value | Meaning |
|--------------+---------------------------------------------|
| 0 | Flow control disabled. |
|--------------+---------------------------------------------|
| 3 | RTS/CTS flow control enabled. |
|--------------+---------------------------------------------|
| 4 | XON/XOFF flow control enabled. |
|--------------+---------------------------------------------|
| 5 | Transparent XON/XOFF flow control enabled. |
|--------------+---------------------------------------------|
| 6 | XON/XOFF and RTS/CTS flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SPEED |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S37=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum allowable data exchange |
| | rate attempted during the handshaking |
| | process. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S37=0 | Attempt to connect at fastest common speed. |
|--------------+---------------------------------------------|
| S37=1 | Set speed to 300bps. |
|--------------+---------------------------------------------|
| S37=2 | Set speed to 300bps. |
|--------------+---------------------------------------------|
| S37=3 | Set speed to 300bps. |
|--------------+---------------------------------------------|
| S37=5 | Set speed to 1200bps. |
|--------------+---------------------------------------------|
| S37=6 | Set speed to 2400bps. |
|--------------+---------------------------------------------|
| S37=7 | Attempt to connect with V.23. |
|--------------+---------------------------------------------|
| S37=8 | Set speed to 4800bps. |
|--------------+---------------------------------------------|
| S37=9 | Set speed to 9600bps. |
|--------------+---------------------------------------------|
| S37=10 | Set speed to 12Kbps. |
|--------------+---------------------------------------------|
| S37=11 | Set speed to 14.4Kbps. |
|--------------+---------------------------------------------|
| S37=12 | Set speed to 7200bps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP10 LINK NEGOTIATION |
|------------------------------------------------------------|
| Type: | Register (read-only) |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S28? [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the speed at which MNP10 link |
| | negotiation will occur. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S28=0 | Link will be negotiated at highest possible |
| | speed. |
|--------------+---------------------------------------------|
| S28=64 | Link will be negotiated at 1200bps. |
|--------------+---------------------------------------------|
| S28=128 | Link will be negotiated at 4800bps. |