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# TRENDWARE INTERNATIONAL, INC
TFM-288P
Card Type Fax, Modem (synchronous/asynchronous)
Chip Set Unidentified
Maximum Modem Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Bus PCMCIA Type II
Fax Class Class I
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21,V.22, V.22bis, V.32,
V.32bis, V.34
Fax Modulation ITU-T V.17, V.21 ch2, V.27ter, V.29
Protocol
Error MNP2-5, V.42, V.42bis
Correction/Compression
Boot ROM Not available
V2107
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, ‘comma’, A/ |
|------------------------------------------------------------|
| A, C, D, E, H, M, N, P, Q, T, V, W, X, Z |
|------------------------------------------------------------|
| &C, &D, &F, &G, &K, &R, &S, &T, &V, &W, &X, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \C, \G, \J, \K, \N, \Q, \X, %A, %C |
|------------------------------------------------------------|
| Special Commands |
|------------------------------------------------------------|
| "H, -J |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18 |
|------------------------------------------------------------|
| Note: See MHI documentation for complete information. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| Autosync dummy command |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Jn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sends a dummy command to DTE |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &J0 | OK sent to DTE |
|--------------+---------------------------------------------|
| &J1 | OK sent to DTE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| í &M0 | Asynchronous mode |
|--------------+---------------------------------------------|
| &M1 | Synchronous connect mode and asynchronous |
| | off-line command mode. |
|--------------+---------------------------------------------|
| &M2 | Synchronous connect mode and asynchronous |
| | off-line command mode and set DTR high. |
|--------------+---------------------------------------------|
| &M3 | Synchronous connect mode |
|--------------+---------------------------------------------|
| &M4 | Hayes AutoSync mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATION PROTOCOLS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the communication protocol for data |
| | calls |
|------------------------------------------------------------|
| Note: The B command allows the simultaneous selection |
| of more than one suffix, enabling multiple protocols. |
|------------------------------------------------------------|
| Command | Protocol |
|--------------+---------------------------------------------|
| B0 | ITU-T V.22 at 1200bps/V.21 at 300bps |
|--------------+---------------------------------------------|
| í B1 | Bell 212A at 1200bps/Bell 103 at 300bps |
|--------------+---------------------------------------------|
| B2 | V.23- originate mode receive at 1200bps, |
| | send at 75bps; answer mode receive at |
| | 75bps, send at 1200bps |
|--------------+---------------------------------------------|
| B3 | V.23- originate mode receive at 75bps, send |
| | at 1200bps; answer mode receive at 1200bps, |
| | send at 75bps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| Data transfer DTE speed selection |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S72=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the DTE speed during the transfer of |
| | data |
|------------------------------------------------------------|
| Command | Function |
|-----------------------+------------------------------------|
| í S72=0 | Last used autobaud speed |
|-----------------------+------------------------------------|
| S72=1 | 300bps |
|-----------------------+------------------------------------|
| S72=2 | 600bps |
|-----------------------+------------------------------------|
| S72=3 | 1200bps |
|-----------------------+------------------------------------|
| S72=4 | 2400bps |
|-----------------------+------------------------------------|
| S72=5 | 4800bps |
|-----------------------+------------------------------------|
| S72=6 | 7200bps |
|-----------------------+------------------------------------|
| S72=7 | 9600bps |
|-----------------------+------------------------------------|
| S72=8 | 12.0Kbps |
|-----------------------+------------------------------------|
| S72=9 | 14.4Kbps |
|-----------------------+------------------------------------|
| S72=10 | 16.8Kbps |
|-----------------------+------------------------------------|
| S72=11 | 19.2Kbps |
|-----------------------+------------------------------------|
| S72=12 | 21.6Kbps |
|-----------------------+------------------------------------|
| S72=13 | 24.0Kbps |
|-----------------------+------------------------------------|
| S72=14 | 26.44Kbps |
|-----------------------+------------------------------------|
| S72=15 | 28.8Kbps |
|-----------------------+------------------------------------|
| S72=16 | 38.44Kbps |
|-----------------------+------------------------------------|
| S72=17 | 57.6Kbps |
|-----------------------+------------------------------------|
| S72=18 | 115.2Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCE LINE SPEED |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S37=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum allowable data exchange |
| | rate attempted during handshake process. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S37=0 | Speed of last connection |
|--------------+---------------------------------------------|
| S37=3 | 300bps |
|--------------+---------------------------------------------|
| S37=5 | 1200bps |
|--------------+---------------------------------------------|
| S37=6 | 2400bps |
|--------------+---------------------------------------------|
| S37=7 | 4800bps |
|--------------+---------------------------------------------|
| S37=8 | 7200bps |
|--------------+---------------------------------------------|
| S37=9 | 9600bps |
|--------------+---------------------------------------------|
| S37=10 | 12.0Kbps |
|--------------+---------------------------------------------|
| S37=11 | 14.4Kbps |
|--------------+---------------------------------------------|
| S37=12 | 16.8Kbps |
|--------------+---------------------------------------------|
| S37=13 | 19.2Kbps |
|--------------+---------------------------------------------|
| S37=14 | 21.6Kbps |
|--------------+---------------------------------------------|
| S37=15 | 24.0Kbps |
|--------------+---------------------------------------------|
| S37=16 | 26.4Kbps |
|--------------+---------------------------------------------|
| S37=17 | 28.8Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTE RATE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S62=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the DTE rate |
|------------------------------------------------------------|
| Command | Function |
|----------------------+-------------------------------------|
| S62=0 | 300bps |
|----------------------+-------------------------------------|
| S62=1 | 600bps |
|----------------------+-------------------------------------|
| S62=2 | 1200bps |
|----------------------+-------------------------------------|
| S62=3 | 2400bps |
|----------------------+-------------------------------------|
| S62=4 | 4800bps |
|----------------------+-------------------------------------|
| S62=5 | 7200bps |
|----------------------+-------------------------------------|
| S62=6 | 9600bps |
|----------------------+-------------------------------------|
| S62=7 | 12.0Kbps |
|----------------------+-------------------------------------|
| S62=8 | 14.4Kbps |
|----------------------+-------------------------------------|
| S62=9 | 16.8Kbps |
|----------------------+-------------------------------------|
| S62=10 | 19.2Kbps |
|----------------------+-------------------------------------|
| S62=11 | 21.6Kbps |
|----------------------+-------------------------------------|
| S62=12 | 24.0Kbps |
|----------------------+-------------------------------------|
| S62=13 | 26.44Kbps |
|----------------------+-------------------------------------|
| S62=14 | 28.8Kbps |
|----------------------+-------------------------------------|
| S62=15 | 38.44Kbps |
|----------------------+-------------------------------------|
| í S62=16 | 57.6Kbps |
|----------------------+-------------------------------------|
| S62=17 | 115.2Kbps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR CHANGE THRESHOLD |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S25=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 5 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | .05 second |
|--------------+---------------------------------------------|
| Description: | Sets maximum time a change in the DTR |
| | signal will be ignored |
|--------------+---------------------------------------------|
| Note: | This is the function of this register when |
| | &M1 is not set. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S30=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Maximum duration of DTE and DCE inactivity |
| | allowed prior to initiating hang-up |
| | process. |
|--------------+---------------------------------------------|
| Note: | S30=0 disables the timer and allows |
| | indefinite inactivity. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NO CARRIER TIME-OUT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S7=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 60 (58 Japanese version only) |
|--------------+---------------------------------------------|
| Range: | 1-255 (0-58 Japanese version only) |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Maximum wait time the modem uses after |
| | dialing to detect a carrier signal from the |
| | remote modem for both originating and |
| | answering calls. |
|--------------+---------------------------------------------|
| Note: | W dial modifier also uses S7 to set the |
| | maximum time to wait. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-LINE |
|------------------------------------------------------------|
| Type: | Immediate |
|---------------+--------------------------------------------|
| Format: | AT [cmds] On [cmds] |
|---------------+--------------------------------------------|
| Description: | Controls on-line command (data |
| | transmission) state options. |
|------------------------------------------------------------|
| Note: The O command must be placed at the end of the |
| command string. |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| O0 | On-line command mode with no retraining |
| | enabled |
|---------------+--------------------------------------------|
| O1 | On-line command mode with retraining |
| | enabled |
|---------------+--------------------------------------------|
| 03-014 | Modem set to user defined rate stipulated |
| | in S62 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PULSE DIALING RATIO |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects pulse dial make/break ratio |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &P0 | 39/61ms at 10pps (North America) |
|--------------+---------------------------------------------|
| &P1 | 33/67ms at 10pps (Europe) |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &P0 | 33/67ms at 10pps (Japan) |
|--------------+---------------------------------------------|
| &P1 | 33/67ms at 20pps (Japan) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS TO CTS DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S26=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 1 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | .01 second |
|--------------+---------------------------------------------|
| Description: | Sets the duration of delay for CTS to |
| | respond to RTS status change |
|------------------------------------------------------------|
| Note: This is only used when &R0 is set. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| transmission power level |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S64=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 15 |
|--------------+---------------------------------------------|
| Range: | 9-20 |
|--------------+---------------------------------------------|
| Unit: | -dBm |
|--------------+---------------------------------------------|
| Description: | Set the power level for transmit in the |
| | Japanese version only |
+------------------------------------------------------------+
+------------------------------------------------------------+
| Version Number |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays the modem’s firmware version |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.32 - AUTO-RETRAIN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls auto-retrain function if poor line |
| | quality is detected |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &B0 | Auto-retrain disabled modem hangs-up |
|--------------+---------------------------------------------|
| í &B1 | Auto-retrain enabled if line quality is |
| | poor |
|--------------+---------------------------------------------|
| &B2 | No hang-up, no auto-retrain |