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 Protocol

Bell 103A/212A

ITU-T V.21,V.22, V.22bis, V.32, V.32bis, V.34

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

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