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V.34SVS

SIMA TECHNOLOGY CO., LTD.

V.34SVS

Card Type

Modem (synchronous/asynchronous)

Chip Set

Unidentified

I/O Options

SVD, speaker out, microphone in

Maximum Data Rate

33.6Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

Serial

Fax Class

Class I & II

Data Modulation Protocol

Bell 103A/212A

ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34

Rockwell V.FC

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 out

CN1

RS-232/422

CN5

Line in

CN2

DC power

CN6

Speaker out

CN3

Power switch

SW1

Microphone in

CN4

   

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

MR

Red

On

Power is on

MR

Red

Blinking

Modem is in test mode

MR

Red

Off

Power is off

HS

Red

On

Modem is operating at 4800bps or faster

HS

Red

Off

Modem is operating at slower than 4800bps

AA

Red

On

Auto-answer enabled

AA

Red

Off

Auto-answer disabled

AA

Red

Blinking

Phone is ringing

CD

Red

On

Carrier signal detected

CD

Red

Off

Carrier signal not detected

OH

Red

On

Modem is off-hook

OH

Red

Off

Modem is on-hook

SD

Red

On

Modem is transmitting data

SD

Red

Off

Modem is not transmitting data

RD

Red

On

Modem is receiving data

RD

Red

Off

Modem is not receiving data

TR

Red

On

DTR signal is high

TR

Red

Off

DTR signal is low

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, B, D, 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, \K, \L, \N, \W

%C, %F, %L, %Q, %T

Special AT Commands

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

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S14, S16, S18, S21, S22, S23, S24, S25, S27, S29

S30, S31, S32, S33, S36, S38, S39, S40, S46, S48, S86, S91, S92, S95, S201

Note: See MHI documentation for complete information.

Proprietary AT Command Set

SIMULTANEOUS VOICE MODE

Type:

Immediate

Format:

AT [cmds] -SMS=x,y,z,a [cmds]

Description:

Selects which simultaneous voice mode the modem will operate in.

Command

Function

x=0

Simultaneous voice mode disabled.

x=2

SVD mode enabled.

x=3

Auto-detect correct mode.

y, z=300

Set minimum or maximum total speed at 300bps, respectively.

y, z=1200

Set minimum or maximum total speed at 1200bps, respectively.

y, z=2400

Set minimum or maximum total speed at 2400bps, respectively.

y, z=4800

Set minimum or maximum total speed at 4800bps, respectively.

y, z=7200

Set minimum or maximum total speed at 7200bps, respectively.

y, z=9600

Set minimum or maximum total speed at 9600bps, respectively.

y, z=12000

Set minimum or maximum total speed at 12Kbps, respectively.

y, z=14400

Set minimum or maximum total speed at 14.4Kbps, respectively.

y, z=16800

Set minimum or maximum total speed at 16.8Kbps, respectively.

y, z=19200

Set minimum or maximum total speed at 19.2Kbps, respectively.

y, z=21600

Set minimum or maximum total speed at 21.6Kbps, respectively.

y, z=24000

Set minimum or maximum total speed at 24Kbps, respectively.

y, z=26400

Set minimum or maximum total speed at 26.4Kbps, respectively.

y, z=28800

Set minimum or maximum total speed at 28.8Kbps, respectively.

z=0

Auto-detect correct ML288 baud rate.

z=1

Set ML288 symbol rate to 2400 bits/baud.

z=2

Set ML288 symbol rate to 2743 bits/baud.

z=3

Set ML288 symbol rate to 2800 bits/baud.

z=4

Set ML288 symbol rate to 3000 bits/baud.

z=5

Set ML288 symbol rate to 3200 bits/baud.

z=6

Set ML288 symbol rate to 3429 bits/baud.

SVD DATA BURST

Type:

Configuration

Format:

AT [cmds] -SMC=n [cmds]

Description:

Configures the SVD data burst mode.

Command

Function

-SMC=0

SVD data burst disabled.

í -SMC=1

SVD data burst enabled.

SVD MODULATION

Type:

Configuration

Format:

AT [cmds] -SQS=m,n [cmds]

Description:

Selects the modulation type used by SVD mode.

Command

Function

x=0

Select V.61 modulation.

x=1

Select ML144 modulation.

x=2

Select ML288 modulation.

y=0

Auto-detect modulation mode disabled.

y=1

Auto-detect modulation mode enabled.

VOICE DEVICE

Type:

Configuration

Format:

AT [cmds] #VLS=n [cmds]

Description:

Selects the I/O device for the DSP chip.

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=6

Speakerphone used for voice I/O.

See SIMA TECHNOLOGY CO., LTD. V.34SV for a full command summary.