AMQUEST CORPORATION

AM2814IV-V34, AM2814IV-HY

Card Type

Modem (synchronous/asynchronous)

Chipset

Rockwell

I/O Options

Microphone in, speaker out, voice

Maximum Data Rate

28.8Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation

Bell 103A, 212A

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

Rockwell V.FC

Fax Modulation

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

Error Correction/Compression

MNP5, MNP10, V.42, V.42bis

Fax Class

Class I & II

Data Bus

8-bit ISA

Card Size

Full height, half length

CONNECTIONS

Function

Label

Function

Label

Telephone line

CN1

Microphone in or speaker out

CN3

Telephone line

CN2

Microphone in or speaker out

CN4

Note: It is not identified which of CN3 is the microphone in jack and which is the speaker out jack.

USER CONFIGURABLE SETTINGS

Setting

Label

Position

í Factory configured - do not alter

SW1/7

Off

í Factory configured - do not alter

SW1/8

Off

Note: SW1/8 may not be present on all models.

SERIAL PORT ADDRESS SELECTION

Setting

SW1/5

SW1/6

3F8h (COM1:)

On

On

2F8h (COM2:)

Off

On

3E8h (COM3:)

On

Off

í 2E8h (COM4:)

Off

Off

INTERRUPT SELECTION

Setting

SW1/1

SW1/2

SW1/3

SW1/4

í 3

Off

Off

Off

On

4

Off

Off

On

Off

5

Off

On

Off

Off

7

On

Off

Off

Off

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, B, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z

&C, &D, &F, &G, &K, &M, &P, &Q, &R, &S, &T, &V, &W, &X, &Y, &Z

Extended AT Commands

\A, \B, \G, \L, \W

%C, %E, %F, %L, %Q

Special AT Commands

#CID, :E, *H, -K, )M, @M, -Q

S-Registers

The S-registers are unidentified.

Note: See MHI help file for complete information.

Proprietary AT Command Set

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Description:

Configures action of break signal.

Command

Function

\K0

Enter command mode, do not send break to remote modem.

\K1

Buffers cleared and break sent to remote modem.

\K2

Enter command mode, do not send break to remote modem.

\K3

Send break to remote modem immediately.

\K4

Enter command mode, do not send break to remote modem.

\K5

Send break with transmitted data.

DIAL

Type:

Immediate

Format:

AT [cmds] D<#>;[cmds]

Description:

Dials the telephone number indicated according to any modifiers included in the string.

Command

Function

DJ

MNP10 link will be negotiated at 1200bps for this call.

DK

MNP10 power level adjustment enabled for this call.

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.

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^

Calling tone disabled for this call.

D&

Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command.

D;

Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

DISPLAY INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested about the modem.

Command

Function

I0

Displays product identification code.

I1

Displays ROM checksum.

I2

Tests and displays ROM checksum result.

I3

Displays firmware revision.

I6

Displays modem pump model.

PROTOCOL/SPEED

Type:

Configuration

Format:

AT [cmds] Fn [cmds]

Description:

Selects the protocol and speed the modem will attempt to connect at.

Command

Function

F0

Auto-detect the highest common connect speed.

F1

Select V.21 or Bell 103 at 300bps speed.

F3

Select V.23 at 75/1200bps speed.

F4

Select V.22 or Bell 212A at 1200bps speed.

F5

Select V.22bis at 2400bps speed.

F6

Select V.32 or V.32bis at 4800bps speed.

F7

Select V.32bis at 7200bps speed.

F8

Select V.32bis or V.32 at 9600bps speed.

F9

Select V.32bis at 12Kbps speed.

F10

Select V.32bis at 14.4Kbps speed.

DISPLAY CHIPSET MANUFACTURER

Type:

Immediate

Format:

AT [cmds] #MFR? [cmds]

Description:

Displays the voice chipset manufacturer’s name.

DISPLAY CHIPSET MODEL NAME

Type:

Immediate

Format:

AT [cmds] #MDL? [cmds]

Description:

Displays the model name of the modem's voice chipset.

DISPLAY CHIPSET REVISION

Type:

Immediate

Format:

AT [cmds] #REV? [cmds]

Description:

Displays the revision level of the modem's voice chipset.

MODE SELECTION

Type:

Immediate

Format:

AT [cmds] #CLS=n [cmds]

Description:

Selects which mode the modem will operate in.

Command

Function

#CLS=0

Modem will operate in data mode.

#CLS=1

Modem will operate in fax class 1 mode.

#CLS=2

Modem will operate in fax class 2 mode.

#CLS=8

Modem will operate in voice mode.

TONE DETECTION

Format:

AT [cmds] #VTD=x,y,z [cmds]

Default:

x,y,z 63

Range:

0 - 63

Description:

Sets which tones the tone detection will report.

Note:

The value of x sets the tone detection modes in voice transmit mode, y sets them in voice receive mode, and z sets them in voice command mode.

Bit

Value

Function

0

0

í 1

DTMF tones are not detected.

DTMF tones are detected.

1

0

í 1

V.25 1300Hz calling tone is not detected.

V.25 1300Hz calling tone is detected.

2

0

í 1

T.30 1100Hz fax tone is not detected.

T.30 1100Hz fax tone is detected.

3

0

í 1

V.25/T.30 2100Hz answer tone is not detected.

V.25/T.30 2100Hz answer tone is detected.

4

0

í 1

Bell 2225Hz answer tone is not detected.

Bell 2225Hz answer tone is detected.

5

0

í 1

Call progress tones are not detected.

Call progress tones are detected.

TONE GENERATOR - DIRECT ENTRY

Type:

Immediate

Format:

AT [cmds] #VTS=[m, n, x]

Range:

m 200-3000, n 200-3000, x 0-255

Unit:

m 1 Hz, n 1 Hz, x .1 second

Description:

Generates a dual-frequency tone for duration x at frequencies m and n.

TONE GENERATOR - TIMED PHONE KEYS

Type:

Immediate

Format:

AT [cmds] #VTS={a, n}

Range:

a 0-9, A-D, #, *; x 0-255

Unit:

x .1 second

Description:

Generates the DTMF tone for duration x for the character a.

TONE GENERATOR - PHONE KEYS

Type:

Immediate

Format:

AT [cmds] #VTS=a

Range:

0-9, A-D, #, *

Description:

Generates the DTMF tones for the characters in the string for the duration set with +VBT.

TONE GENERATOR LENGTH

Format

AT [cmds] #VBT=n [cmds]

Default:

10

Range:

0 - 40

Unit:

0.1 second

Description:

Sets the length of DTMF tones that are generated.

VOICE BUFFER SPACE

Type:

Configuration

Format:

AT [cmds] #VSK=n [cmds]

Default:

255

Range:

0 - 255

Unit:

1 byte

Description:

Sets the amount of data the modem can send into the buffer after the XOFF signal is sent.

VOICE DEVICE

Type:

Configuration

Format:

AT [cmds] #VLS=n [cmds]

Description:

Selects the I/O device for the DSP chip.

Note:

This modem may not support all options listed below. The #VLS? command will display the available options.

Command

Function

í #VLS=0

Telephone line and handset used for voice I/O.

#VLS=1

Telephone handset used for voice I/O.

#VLS=2

Internal speaker only used for voice I/O.

#VLS=3

External microphone only used for voice I/O.

#VLS=4

Telephone line and handset used for voice I/O; internal speaker enabled.

#VLS=5

Headset used for voice I/O.

#VLS=7

Handset muted by disconnecting handset from telephone line.

#VLS=8

Connects caller ID relay for recording of conversation over handset.

#VLS=9

Connects handset to DSP chip for recording or playback.

VOICE - DISPLAY BUFFER SIZE

Type:

Immediate

Format:

AT [cmds] #VBQ? [cmds]

Description:

Displays the size of the voice buffer.

VOICE - DISPLAY COMPRESSION TYPE

Type:

Immediate

Format:

AT [cmds] #VCI? [cmds]

Description:

Displays the type of compression currently in use.

VOICE - LOCAL SERIAL PORT SPEED

Type:

Configuration

Format:

AT [cmds] #BDR=n [cmds]

Default:

0

Range:

0 - 48

Unit:

2400bps

Description:

Sets the speed of the local serial port when in voice mode. A value of 0 indicates that the modem should auto-detect the correct serial port speed.

VOICE RE-RING DETECT TIME

Type:

Configuration

Format:

AT [cmds] #VRA=n [cmds]

Default:

70

Range:

0-255

Unit:

10 mS

Description:

Sets the maximum time the modem will wait for the remote station to ring again before it assumes that it has gone off-hook.

VOICE RECEIVE

Type:

Immediate

Format:

AT [cmds] #VRX

Description:

Commands the modem to begin receiving voice data.

VOICE RING DETECT TIME

Type:

Configuration

Format:

AT [cmds] #VRN=n [cmds]

Default:

Unidentified

Range:

Unidentified

Unit:

Unidentified

Description:

Sets the maximum time the modem will wait for the remote station to ring before it assumes that it went off-hook before it rang.

VOICE SAMPLE QUALITY

Type:

Configuration

Format:

AT [cmds] #VBS=n [cmds]

Description:

Selects the number of bits per sample that the modem records.

Note:

This modem may not support all options listed below. The #VBS? command will display the available options.

Command

Function

#VBS=2

Modem records 2 bits per sample in ADPCM encoding.

#VBS=3

Modem records 3 bits per sample in ADPCM encoding.

í #VBS=4

Modem records 4 bits per sample in ADPCM encoding.

#VBS=8

Modem records 8 bits per sample in PCM encoding.

#VBS=16

Modem records 16 bits per sample in PCM encoding.

VOICE SAMPLING RATE

Type:

Configuration

Format:

AT [cmds] #VSR=n [cmds]

Description:

Sets the sampling rate used when recording voice signals.

Command

Function

í #VSR=7200

Selects a sampling rate of 7.2KHz.

#VSR=11025

Selects a sampling rate of 11.025KHz in PCM encoding only.

VOICE SILENCE DETECTION TIME

Type:

Configuration

Format:

AT [cmds] #VSP=n [cmds]

Default:

Unidentified

Range:

0 - 255

Unit:

.1 second

Description:

Sets the minimum amount of silence that the modem will detect.

VOICE SILENCE DETECTION THRESHOLD

Type:

Configuration

Format:

AT [cmds] #VSS=n [cmds]

Description:

Sets the threshold of sensitivity that the modem uses to determine silence detection.

Command

Function

#VSS=0

Silence detection disabled.

#VSS=1

Minimum silence detection sensitivity.

#VSS=2

Standard silence detection sensitivity.

#VSS=3

Maximum silence detection sensitivity.

VOICE TIMING MARK

Type:

Configuration

Format:

AT [cmds] #VTM=n [cmds]

Description:

Configures timing mark placement.

Command

Function

#VTM=0

Timing marks disabled.

#VTM=1

Timing marks enabled.

VOICE TRANSMISSION LEVEL

Type:

Configuration

Format:

AT [cmds] #TL=hhhh [cmds]

Default:

3FFF

Range:

0000 - 7FFF

Unit:

Unidentified (hexadecimal)

Description:

Sets the transmission level for sending audio in voice mode.

VOICE TRANSMIT

Type:

Immediate

Format:

AT [cmds] #VTX

Description:

Commands the modem to begin transmitting voice data.

VOICE VOLUME LEVEL

Type:

Configuration

Format:

AT [cmds] #VGT=n [cmds]

Description:

Sets the volume level when playing back audio signals.

Command

Function

#VGT=128

Low volume setting.

í #VGT=129

Medium volume setting.

#VGT=130

High volume setting.

#VGT=131

Highest volume setting.