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Card Type

Modem

Chip Set

Unidentified

I/O Options

Line in, line out, wake-up ring connector

Maximum Modem Rate

56Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

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

MNP5, V.42, V.42bis

Fax Class

Class I & II

Data Bus

16-bit ISA

CONNECTIONS

Function

Label

Function

Label

Line out (RJ-11)

CN1

Wake-up ring connector

CN3

Line in (RJ-11)

CN2

SUPPORTED COMMAND SET

Basic AT Commands

AT, �+++�, A/

A, E, H, M, O, P, Q, T, V, W, X, Z

&C, &P, &V, &Y, &Z

Extended AT Commands

\A, \B, \G, \L \N, \K

%C

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S21, S22, S29, S32, S33

Note: See MHI Help File for full command documentation.

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

Auto-mode detection disabled

í N1

Auto-mode detection enabled

AUXILIARY RELAY CONTROL

Type:

Configuration

Format:

AT [cmds] &Jn [cmds]

Description:

Enables/disables A/A1 relay driver. Not for use with RJ-11 phone lines

Command

Jack Type

í &J0

Auxiliary relay is disabled

COMMUNICATION PROTOCOLS

Type:

Configuration

Format:

AT [cmds] Bn [cmds]

Description:

Selects the communication protocol for data calls

Command

Protocol

B0

ITU-T V.22 at 1200bps or V.21 at 300bps

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Mn [cmds]

Description:

Selects communications mode

Command

Mode

&M0

Asynchronous mode

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Qn [cmds]

Description:

Selects communications mode options

Command

Mode

&Q0

Asynchronous mode, serial port speed follows connect speed.

DATA SET READY (DSR)

Type:

Configuration

Format:

AT [cmds] &Sn [cmds]

Description:

Selects DSR options

Command

Function

&S0

DSR forced high

DATA TERMINAL READY (DTR)

Type:

Configuration

Format:

AT [cmds] &Dn [cmds]

Description:

Selects modem response to DTR

Command

Function

í &D0

DTR ignored

&D1

DTR toggle causes online command mode

&D2

DTR toggle causes modem to go on-hook

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

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 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.

D&

Calling card "Bong" detection enabled

FACTORY DEFAULT PROFILE

Type:

Configuration

Format:

AT [cmds] &F [cmds]

Description:

Sets values in active profile to values found in the default profile

Command

Function

&F0

Load factory configuration 0

&F1

Load factory configuration 1

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Enables flow control options

Command

Function

&K0

Flow control disabled

&K3

RTS/CTS flow control enabled

&K4

XON/XOFF flow control enabled

&K5

Transparent XON/XOFF flow control enabled

&K6

Both RTS/CTS & XON/XOFF flow control enabled

LINE TYPE

Type:

Configuration

Format:

AT [cmds] &Ln [cmds]

Description:

Command nonfunctional; for compatibility purposes only.

Command

Line Type

&L0

Returns OK

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports five digit product code

I1

Reports hardware variation code

I2

Reports DSP firmware revision

I3

Reports controller firmware revision, model, and interface type

I4

Reports ESS technology

SPEAKER VOLUME

Type:

Configuration

Format:

AT [cmds] Ln [cmds]

Description:

Controls speaker volume

Command

Function

L0

Speaker disabled

L1

Speaker on. Controlled by M command

L2

Speaker on. Controlled by M command

L3

Speaker on. Controlled by M command

STORE ACTIVE PROFILE

Type:

Configuration

Format:

AT [cmds] &Wn [cmds]

Description:

Writes the values for the active profile into the non-volatile RAM

Command

Function

&W0

Write the active profile to stored profile 0

&W1

Write the active profile to stored profile 1

&W2

Write the active profile to stored profile 2

TEST MODES

Type:

Immediate

Format:

AT [cmds] &Tn

Description:

Selects test options

Command

Function

&T0

End current test

&T1

Begin local analog loopback test

TRANSMIT CARRIER

Type:

Configuration

Format:

AT [cmds] Cn [cmds]

Description:

Command nonfunctional; for compatibility purposes only

AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Description:

Controls auto-retrain mode

Command

Function

í %E0

Auto-retrain disabled

%E1

Auto-retrain enabled