TRENDWARE INTERNATIONAL, INC.
TFM - 336T PCMCIA
Card Type |
Modem/Fax card |
Chip Set |
Unidentified |
Maximum Modem Rate |
33.6Kbps |
Maximum Fax Rate |
14.4Kbps |
Data Modulation Protocol |
Bell 103A/212A ITU-T V34, V.32bis, V.32, V.22bis, V.22, V.21 |
Fax Modulation Protocol |
ITU-T V.17, V.27ter, V.29, V21 CH.2 |
Error Correction/Compression |
MNP5, V.42, V.42bis |
Fax Class |
Class I & II |
Data Bus |
PCMCIA |
54689
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, A/ |
A, E, H, M, P, Q, T, V, W, X, Z |
&C, &F, &G, &R, &T, &V, &W, &Y, &Z |
Extended AT Commands |
\A, \C, \G, \J, \K, \V, \X |
%A, %G |
-J |
"H |
S Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S30 |
Note: See MHI Help File for full command documentation. |
Proprietary AT Command Set
AUTO-MODE DETECTION | |
Type: |
Configuration |
Format: |
AT [cmds] Nn [cmds] |
Description: |
Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed. |
Command |
Function |
N0 |
When originating or answering; handshake only at the line speed designated by the S37 register |
í N1 |
When originating or answering; handshake at the line speed designated by the S37 register. Modem can shift to a lower speed if necessary |
AUTO-SYNC | |
Type: |
Configuration |
Format: |
AT [cmds] &Jn [cmds] |
Description: |
Dummy command for autosync compatibility |
Command |
Jack Type |
&J0 |
Send OK to DTE |
&J1 |
Send OK to DTE |
COMMUNICATIONS MODE | |
Type: |
Configuration |
Format: |
AT [cmds] &Mn [cmds] |
Description: |
Selects communications mode |
Command |
Mode |
&M0 |
Asynchronous mode |
&M4 |
Hayes asynchronous mode |
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 or V.21 at 300bps |
í B1 |
Bell 212A at 1200bps or Bell 103 at 300bps |
B2 |
V.23 at 1200 receiving, 75bps transmitting in originate mode; 75bps receiving, 1200bps transmitting in answer mode |
B3 |
V.23 at 75 receiving, 1200bps transmitting in originate mode; 1200bps receiving, 75bps transmitting in answer mode |
DATA SET READY (DSR) | |
Type: |
Configuration |
Format: |
AT [cmds] &Sn [cmds] |
Description: |
Selects DSR options |
Command |
Function |
í &S0 |
DSR forced high |
&S1 |
DSR high only while modem is handshaking or connected |
DATA TERMINAL READY (DTR) | |
Type: |
Configuration |
Format: |
AT [cmds] &Dn [cmds] |
Description: |
Selects modem response to DTR |
Command |
Function |
&D0 |
DTR is ignored (assumed on) |
&D1 |
Modem goes to command mode after DTR goes is off |
í &D2 |
Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled. |
&D3 |
Modem is initialized after DTR goes off |
DIAL | |
Type: |
Immediate |
Format: |
AT [cmds] D<#> [cmds] |
Description: |
Dials telephone number according to any modifiers included in the string |
Note: |
Any combination of modifiers can be used to produce the desired dial functions in sequence. |
Command |
Function |
DP |
Pulse dialing enabled |
DR |
Answer mode enabled; originate mode disabled following handshake initiation. |
DS=n |
Dial stored telephone number n |
DT |
Tone dialing enabled/Pulse dialing disabled |
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 Quite 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; |
Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
FLOW CONTROL | |
Type: |
Configuration |
Format: |
AT [cmds] &Kn [cmds] |
Description: |
Enables flow control options |
Command |
Function |
&K0 |
Flow control disabled |
í &K3 |
RTS/CTS flow control enabled |
&K4 |
XON/XOFF flow control enabled |
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 |
O3-O14 |
Force modem to a new rate that is user defined by S62 regisiter |
PULSE DIALING RATIO (INTERNATIONAL VERSION) | |
Type: |
Configuration |
Format: |
AT [cmds] &Pn [cmds] |
Description: |
Selects pulse dial make/break ratio |
Command |
Function |
&P0 |
39/61ms at 10pps (North America) |
&P1 |
33/67ms at 10pps |
PULSE DIALING RATIO (JAPAN VERSION) | |
Type: |
Configuration |
Format: |
AT [cmds] &Pn [cmds] |
Description: |
Selects pulse dial make/break ratio |
Command |
Function |
&P0 |
33/67ms at 10pps |
&P1 |
33/67ms at 20pps |
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 |
Auto-retrain disabled modem does not hang-up, tolerates any line |
Extended AT Command Set
BREAK TYPE | |||
Type: |
Configuration | ||
Format: |
AT [cmds] \Kn [cmds] | ||
Description: |
Configures action of break signal | ||
Command |
Break to DTE through serial port during NORMAL or MNP mode |
Break from DTE during DIRECT mode | |
\K0 |
Online command mode enabled, send no break to remote modem |
Send break to remote modem, online command mode enabled | |
\K1 |
Break sent to remote modem and buffered cleared |
Send break to remote modem, online command mode enabled | |
\K2 |
Online command mode enabled, send no break to remote modem |
Send break to remote modem | |
\K3 |
Send break to remote modem immediately |
Send break to remote modem, online command mode enabled | |
\K4 |
Online command mode enabled, send no break to remote modem |
Send break to remote modem | |
\K5 |
Send break with transmitted data |
Send break to remote modem |
BREAK TYPE (CONT.) | |||
Type: |
Configuration | ||
Format: |
AT [cmds] \Kn [cmds] | ||
Description: |
Configures action of break signal | ||
Command |
Break from DTE during NORMAL or MNP mode |
Break received from remote modem during NORMAL mode | |
\K0 |
Buffers cleared, break sent to DTE |
Buffers cleared, break sent to DTE | |
\K1 |
Buffers cleared, break sent to DTE |
Buffers cleared, break sent to DTE | |
\K2 |
Break sent immediately to remote modem |
Break sent immediately to DTE | |
\K3 |
Break sent immediately to remote modem |
Break sent immediately to DTE | |
\K4 |
Break sent with received data to remote modem |
Break sent with received data to the DTE | |
\K5 |
Break sent with received data to remote modem |
Break sent with received data to the DTE |
COMPRESSION | |
Type: |
Configuration |
Format: |
AT [cmds] %Cn [cmds] |
Description: |
Selects data compression |
Command |
Function |
%C0 |
Data compression disabled |
í %C1 |
MNP5 enabled |
CONNECT MODE | |
Type: |
Configuration |
Format: |
AT [cmds] \Nn [cmds] |
Description: |
Controls the type of connection the modem will operate in |
Command |
Function |
\N0 |
Normal mode enabled |
\N1 |
Direct mode enabled |
\N2 |
Reliable mode enabled |
í \N3 |
Auto-reliable mode enabled |
\N4 |
V.42 reliable mode enabled |
FIRMWARE VERSION | |
Type: |
Configuration |
Format: |
AT [cmds] -Vn [cmds] |
Range: |
Unidentified |
Unit: |
ASCII |
Description: |
Displays firmware version number |
FLOW CONTROL TYPE | |
Type: |
Configuration |
Format: |
AT [cmds] \Qn [cmds] |
Description: |
Sets type of flow control used by modem |
Command |
Function |
\Q0 |
Flow control disabled |
\Q1 |
Bi-directional XON/XOFF flow control enabled |
\Q2 |
CTS flow control by DCE enabled |
\Q3 |
Bi-directional RTS/CTS flow control enabled |
INACTIVITY TIMER | |
Type: |
Configuration |
Format: |
AT [cmds] \Tn [cmds] |
Range: |
0-90 |
Unit: |
1 second |
Description: |
Sets the length of time that the modem does not receive information before it disconnects. |
S (status) Registers
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 |
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 |
12Kbps |
S37=11 |
14.4Kbps |
S37=12 |
16.8Kbps |
S37=13 |
19.2Kbps |
S37=14 |
21.6bps |
S37=15 |
24.0Kbps |
S37=16 |
26.4Kbps |
S37=17 |
28.8Kbps |
S37=18 |
33.6Kbps |
DTE RATE STATUS | |
Type: |
Register |
Format |
AT [cmds] S62=n [cmds] |
Description: |
Reports DTE rate status |
Command |
Function |
S62=0 |
300bps |
S62=1 |
600bps |
S62=2 |
1200bps |
S62=3 |
2400bps |
S62=4 |
4800bps |
S62=5 |
9600bps |
S62=6 |
7200bps |
S62=7 |
12Kbps |
S62=8 |
14.4Kbps |
S62=9 |
16.8Kbps |
S62=10 |
19.2Kbps |
S62=11 |
21.6bps |
S62=12 |
24.0Kbps |
S62=13 |
26.4Kbps |
S62=14 |
28.8Kbps |
S62=15 |
38.4Kbps |
S62=16 |
57.6Kbps |
S62=17 |
115.2Kbps |
DTE SPEED | |
Type: |
Register |
Format |
AT [cmds] S72=n [cmds] |
Description: |
Selects DTE speed during data transfer |
Command |
Function |
S72=0 |
Last auto-baud speed |
S72=1 |
300bps |
S72=2 |
600bps |
S72=3 |
1200bps |
S72=4 |
2400bps |
S72=5 |
4800bps |
S72=6 |
9600bps |
S72=7 |
7200bps |
S72=8 |
12Kbps |
S72=9 |
14.4Kbps |
S72=10 |
16.8Kbps |
S72=11 |
19.2Kbps |
S72=12 |
21.6bps |
S72=13 |
24.0Kbps |
S72=14 |
26.4Kbps |
S72=15 |
28.8Kbps |
S72=16 |
38.4Kbps |
S72=17 |
57.6Kbps |
S72=18 |
115.2Kbps |
TRANSMISSION LEVEL (JAPAN VERSION) | |
Type |
Register or Configuration |
Format |
AT [cmds] S64=n [cmds] |
Range |
9-20 |
Unit |
-1 dBm |
Description |
Sets the signal level for transmission |