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Card Type

Fax, Modem (asynchronous)

Chip Set

Unidentified

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

8-bit ISA

Fax Class

Class I

Data Modulation Protocol

ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis

Fax Modulation Protocol

ITU-T V.17, V.21CH2, V.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

Line in

CN1

Line out

CN2

SERIAL PORT ADDRESS

Setting

SW1/1

SW1/2

SW1/3

SW1/4

COM1 (3F8h)

Off

Off

Off

On

COM2 (2F8h)

On

Off

Off

On

COM3 (3E8h)

Off

On

Off

On

í COM4 (2E8h)

On

On

Off

On

INTERRUPT SELECTION

Setting

JP1

JP2

3

Pins 1 & 2 closed

N/A

4

N/A

Pins 2 & 3 closed

5

N/A

Pins 1 & 2 closed

9

Pins 2 & 3 closed

N/A

SUPPORTED COMMAND SET

Basic AT Commands

AT, �+++�, �Comma�, A/

A, B, E, H, L, M, O, Q, S, V, W, X, Z

&C, &D, &F, &K, &P, &S, &T, &U, &V

Extended AT Commands

%L, %Q

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26, S36, S37, S48

Note: Please see MHI Help file for full command documentation.

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

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 MNP4 mode enabled

\N3

Auto-reliable MNP4 mode enabled

\N4

Reliable V.42 mode enabled

í \N5

Auto-reliable V.42 mode enabled

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.

Modifier

Function

P

Pulse dialing enabled

R

Answer mode enabled, originate mode disabled following handshake initiation

T

Tone dialing enabled

W

Dialing resumed following dial tone detection

,

Dialing paused for amount of time specified in S8 register

@

Wait for 5 seconds of silence

;

Modem returned to command state after dialing

!

Modem commanded to go off-hook for half a second

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product code

I1

Reports firmware ROM checksum number

I2

Tests and reports ROM checksum, �OK� or �ERROR�

I3

Reports <Filename><Control code>/<DSP code version>