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# E-TECH RESEARCH, INC.
C336MX PCMCIA
Card Type Modem (asynchronous)
Chipset Unidentified
Maximum Data Rate 33.6Kbps
Maximum Fax Rate 14.4Kbps
Data Bus PCMCIA Type II
Fax Class Class I & II
Data Modulation Bell 103A/212A
ITU-T V.21, V.22, V.22bis, V.32,
V.32bis, V.34
AT&T V.32terbo
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Error MNP5, V.42, V.42bis
Correction/Compression
53137
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, ‘comma’, A/ |
|------------------------------------------------------------|
| A, B, D, E, H, L, M, N, P, Q, T, V, W, X, Y, Z |
|------------------------------------------------------------|
| &C, &D, &F, &G, &K, &L, &R, &S, &T, &V, &W, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \B, \C, \G, \J, \K, \N, \Q, \T, \V, \X |
|------------------------------------------------------------|
| %A, %C, %G |
|------------------------------------------------------------|
| Special AT Commands |
|------------------------------------------------------------|
| "H, -J, "N, "O |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S18, S22, S25, S26, S27, S30 |
|------------------------------------------------------------|
| S28, S29, S30, S31, S32, S33, S36, S38, S39, S40, S41, |
| S46, S48, S82, S86, S91, S92, S95, S201 |
|------------------------------------------------------------|
| Note: See MHI documentation for complete information. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| UNIDENTIFIED COMMANDS |
|------------------------------------------------------------|
| Command | Default |
|-----------------------------+------------------------------|
| O | N/A |
|-----------------------------+------------------------------|
| S42 | Read-only |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| 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. |
|--------------+---------------------------------------------|
| I2 | Displays OEM string. |
|--------------+---------------------------------------------|
| I3 | Displays firmware revision. |
|--------------+---------------------------------------------|
| I4 | Displays EEPROM type. |
|--------------+---------------------------------------------|
| I5 | Displays DSP chip version. |
|--------------+---------------------------------------------|
| I9 | Displays Flash ROM checksum. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SPEED |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S37=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum allowable connect speed |
| | attempted during the handshaking process. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S37=0 | Speed of last connection |
|--------------+---------------------------------------------|
| S37=3 | Connect at 300bps. |
|--------------+---------------------------------------------|
| S37=5 | Connect at 1200bps. |
|--------------+---------------------------------------------|
| S37=6 | Connect at 2400bps. |
|--------------+---------------------------------------------|
| S37=7 | Connect at 4800bps. |
|--------------+---------------------------------------------|
| S37=8 | Connect at 7200bps. |
|--------------+---------------------------------------------|
| S37=9 | Connect at 9600bps. |
|--------------+---------------------------------------------|
| S37=10 | Connect at 12Kbps. |
|--------------+---------------------------------------------|
| S37=11 | Connect at 14.4Kbps. |
|--------------+---------------------------------------------|
| S37=12 | Connect at 16.8Kbps. |
|--------------+---------------------------------------------|
| S37=13 | Connect at 19.2Kbps. |
|--------------+---------------------------------------------|
| S37=14 | Connect at 21.6Kbps. |
|--------------+---------------------------------------------|
| S37=15 | Connect at 24Kbps. |
|--------------+---------------------------------------------|
| S37=16 | Connect at 26.4Kbps. |
|--------------+---------------------------------------------|
| S37=17 | Connect at 28.8Kbps. |
|--------------+---------------------------------------------|
| S37=18 | Connect at 31.2Kbps. |
|--------------+---------------------------------------------|
| S37=19 | Connect at 33.6Kbps. |
+------------------------------------------------------------+
See document E-TECH RESEARCH, INC. C288MX PCMCIA for a full command