TRENDWARE INTERNATIONAL, INC
TFM-144P
Card Type |
Fax, Modem (asynchronous) |
Chip Set |
Unidentified |
Maximum Modem Rate |
14.4Kbps |
Maximum Fax Rate |
14.4Kbps |
Data Bus |
PCMCIA Type II |
Fax Class |
Class I & II |
Data Modulation Protocol |
Bell 103A/212A ITU-T V.21,V.22, V.22bis,V.32, V.32bis |
Fax Modulation Protocol |
ITU-T V.17, V.21 ch2, V.27ter, V.29 |
Error Correction/Compression |
MNP2-5, V.42, V.42bis |
Boot ROM |
Not available |
V2108
Proprietary AT Command Set
BIT-MAPPED REGISTER S14 | ||
Format: |
AT [cmds] S14=n [cmds] | |
Default: |
170 | |
Range: |
0-239 | |
Unit: |
Bit-mapped | |
Description: |
Controls echo, result codes and display, dial mode, and answer/originate mode. | |
Bit |
Value |
Function |
0 |
í 01 |
On-line state character echo disabled On-line state character echo enabled |
1 |
0 í 1 |
Command echo disabled Command echo enabled |
2 |
í 01 |
Result codes disabled Result codes enabled |
3 |
0 í 1 |
Display result codes in numeric format Display result codes in verbose format |
4 |
í 0 |
Not used |
5 |
0 í 1 |
Tone dial enabled Pulse dial enabled |
6 |
í 01 |
Result codes disabled/enabled as set by bit 2 or Qn Result codes enabled in originating mode |
7 |
0 í 1 |
Answer mode enabled Originate mode enabled |
BIT-MAPPED REGISTER S21 | ||
Format |
AT [cmds] S21=n [cmds] | |
Default: |
Unidentified | |
Range: |
0-255 | |
Unit: |
Bit-mapped | |
Description: |
Selects jack type, CTS/DCD/DSR signals, low DTR action, and the long space disconnect function. | |
Bit |
Value |
Function |
0 |
0 1 |
Selects RJ-11, RJ-41S, or RJ45S jack Selects RJ-12 or RJ-13 jack |
1 |
0 1 |
User profile 0 User profile 1 |
2 |
0 1 |
CTS follows RTS CTS forced high |
4, 3 |
00 01 10 11 |
DTR signal ignored Modem goes to command mode on low DTR Modem disconnects on low DTR; Auto-Answer is disabled. Modem is initialized on low DTR |
5 |
0 1 |
DCD forced high DCD normal |
6 |
0 1 |
DSR forced high DSR normal |
7 |
0 1 |
Long space disconnect function disabled Long space disconnect function enabled |
BIT-MAPPED REGISTER S23 | ||
Format |
AT [cmds] S23=n [cmds] | |
Default: |
Unidentified | |
Range: |
0-191 | |
Unit: |
Bit-mapped | |
Description: |
Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone. | |
Bit |
Value |
Function |
0 |
0 1 |
Remote digital loopback denied Remote digital loopback allowed |
3 - 1 |
000 001 010 011 100 101 110 111 |
Sets serial port speed to 0-300bps Sets serial port speed to 600bps Sets serial port speed to 1200bps Sets serial port speed to 2400bps Sets serial port speed to 4800bps Sets serial port speed to 9600bps Sets serial port speed to 19.2Kbps Sets serial port speed to 38.4Kbps |
5, 4 |
00 01 10 11 |
Parity even Not used Parity odd No Parity |
7, 6 |
00 01 10 |
Guard tone disabled Guard tone 550Hz enabled Guard tone 1800Hz enabled |
BIT-MAPPED REGISTER S41 | ||
Format |
AT [cmds] S41=n [cmds] | |
Default: |
1 | |
Range: |
0-7 | |
Unit: |
Bit-mapped | |
Description: |
Selects compression, auto-retrain, flow control, and MNP mode. | |
Bit |
Value |
Function |
0 |
0 |
Data compression disabled |
í 1 |
Data compression enabled | |
1 |
í 0 |
Auto-retrain disabled |
1 |
Auto-retrain enabled | |
2 |
í 0 |
Stream mode for MNP |
1 |
Block mode for MNP | |
7-3 |
Not used |
BIT-MAPPED REGISTER S40 | ||
Format |
AT [cmds] S40=n [cmds] | |
Default: |
Unidentified | |
Range: |
0-255 | |
Unit: |
Bit-mapped | |
Description: |
Controls power level and break handling; selects MNP extended services, link negotiation, and block size. | |
Bit |
Value |
Function |
1,0 |
00 |
Normal mode enabled |
01 |
Normal mode enabled | |
í 10 |
MNP reliable mode enabled | |
11 |
Auto-reliable mode or MNP auto-reliable mode enabled | |
4, 3, 2 |
000 |
\K0 |
001 |
\K1 | |
010 |
\K2 | |
011 |
\K3 | |
100 |
\K4 | |
í 101 |
\K5 | |
6, 5 |
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 | |
7 |
0 |
Flow control disabled |
1 |
Flow control 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 and V.21 at 300 or 1200bps |
B1 |
Bell 212A and 103 at 300 or 1200bps |
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 |
DL |
Re-dial last number |
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^" |
Call tone turned on |
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; |
Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
DATA SET READY (DSR) | |
Type: |
Configuration |
Format: |
AT [cmds] &Sn [cmds] |
Description: |
Selects DSR options |
Command |
Function |
&S0 |
DSR forced high |
&S1 |
DSR set to operate at EIA-232-D specifications |
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=1 |
300bps |
S37=2 |
300bps |
S37=3 |
300bps |
S37=4 |
Reserved |
S37=5 |
1200bps |
S37=6 |
2400bps |
S37=7 |
Reserved |
S37=8 |
4800bps |
S37=9 |
9600bps |
S37=10 |
12.0Kbps |
S37=11 |
14.4Kbps |
S37=12 |
7200bps |
DTR CHANGE THRESHOLD | |
Type: |
Register |
Format |
AT [cmds] S25=n [cmds] |
Default: |
5 |
Range: |
0-255 |
Unit: |
.01 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: |
Register |
Format |
AT [cmds] S30=n [cmds] |
Default: |
0 |
Range: |
0-255 |
Unit: |
.1 sec |
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. |
INACTIVITY TIMER | |
Type: |
Configuration |
Format: |
AT [cmds] \Tn [cmds] |
Default: |
0 |
Range: |
0-42 |
Unit: |
1 minute |
Description: |
Sets the length of time that the modem does not receive information before it disconnects. |
NO CARRIER TIME-OUT | |
Type: |
Register |
Format |
AT [cmds] S7=n [cmds] |
Default: |
50 |
Range: |
1-255 |
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. |
|
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) |
&P2 |
33/67ms at 20pps |
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 and reports ROM checksum |
I3 |
Reports revision level of firmware |
I4 |
Reports the capabilities of the product |
RESULT CODES | |
Type: |
Configuration |
Format: |
AT [cmds] Qn [cmds] |
Description: |
Enables modem to send result codes to the DTE |
Command |
Function |
í Q0 |
Result code sending enabled |
Q1 |
Result code sending disabled |
Q2 |
Result code sending enabled only if originating call |
v.42bis Compression type | ||
Type: |
Configuration | |
Format: |
AT [cmds] %Mn [cmds] | |
Description: |
Sets type of compression used in V.42bis mode | |
Command |
Function | |
%M0 |
Compression disabled | |
%M1 |
Transmit compression enabled | |
%M2 |
Receive compression enabled | |
í %M3 |
Bi-directional compression enabled |
v.42bis dictionary reset | |
Type: |
Immediate |
Format: |
AT [cmds] %P [cmds] |
Description: |
Resets local and remote V.42bis Dictionaries |
V.42bis dictionary size | ||
Type: |
Configuration | |
Format: |
AT [cmds] %Dn [cmds] | |
Description: |
Sets the size of the dictionary used in V.42bis mode | |
Command |
Function | |
%D0 |
512 | |
%D1 |
1024 | |
í %D2 |
2048 | |
%D3 |
4096 |
V.42bis Maximum string length | |
Type: |
Configuration |
Format: |
AT [cmds] %Sn [cmds] |
Default: |
32 |
Range: |
6-250 |
Unit: |
Characters |
Description: |
Sets the Maximum number of characters that can be compressed into a word under V.42bis compression |