NETCOMM LIMITED

ROADSTER ULTRA SVD (AM3470, AM3470M)

Card Type

Modem (asynchronous)

Chipset

Unidentified

I/O Options

Microphone in, speaker out, voice, speakerphone, SVD

Maximum Data Rate

33.6Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation

Bell 103A, 212A

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

Rockwell V.FC

Fax Modulation

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

Error Correction/Compression

MNP5, MNP10EC, V.42, V.42bis

Fax Class

Class I

Data Bus

Serial

CONNECTIONS

Function

Label

Function

Label

AC power in

CN1

Speaker out

CN4

Serial port via 9-pin mini-DIN

CN2

Microphone in

CN5

Telephone line out

CN3

   

POWER SWITCH

Setting

SW1

Standby; wait for incoming call

Position 1

Power is off

Position 2

Power is on

Position 3

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

TD

Red

Blinking

Modem is transmitting data

TD

Red

Off

Modem is not transmitting data

RD

Red

Blinking

Modem is receiving data

RD

Red

Off

Modem is not receiving data

OH

Red

On

Modem is off-hook

OH

Red

Off

Modem is on-hook

CD

Red

On

Carrier signal detected

CD

Red

Off

Carrier signal not detected

AA

Red

On

Auto-answer enabled

AA

Red

Off

Auto-answer disabled

AA

Red

Blinking

Phone is ringing

TR

Red

On

DTR signal is high

TR

Red

Off

DTR signal is low

POWER

Red

On

Power is on

POWER

Red

Off

Power is off

Note: The exact locations of the individual LEDs are unidentified.

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, &Q, &R, &S, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \G, \L, \N, \V

%C, %E, %L, %Q

Special AT Commands

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

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S24, S25, S29, S30, S32, S33, S38

S48, S82, S86, S95

Note: See MHI help file for complete information.

UNIDENTIFIED COMMANDS

Command

Default

\K

Unidentified

Proprietary AT Command Set

DISTINCTIVE RING

Format:

AT [cmds] -SDR=a,b [cmds]

Default:

a = 0, b = 0

Range:

a = 0 - 7, b = 0, 1

Description:

Selects which distinctive ring signals the modem will respond to and how it will respond.

a Bit

a Value

Function

0

í 0

1

Modem will not answer ring type 1.

Modem will answer ring type 1.

1

í 0

1

Modem will not answer ring type 2.

Modem will answer ring type 2.

2

í 0

1

Modem will not answer ring type 3.

Modem will answer ring type 3.

Value

Meaning

í b=0

Modem will display all ring types 2 and 3 as RING.

b=1

Modem will display ring type 1 as RING1, ring type 2 as RING2, and ring type 3 as RING3.

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=8

Modem will operate in voice mode.

SPEAKERPHONE OPTIONS

Type:

Configuration

Format:

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

Description:

Sets various options for speakerphone functions.

Command

Function

x=0

Microphone enabled.

x=1

Microphone disabled.

x=2

Microphone enabled with maximum gain, speaker disabled.

y

Default:

5

 

Range:

0 - 16

 

Unit:

-2 dBm

 

Description:

Sets the attenuation level for speaker output in voice mode. A value of 16 will mute the speaker.

z=0

Microphone gain set to 0 dBm.

z=1

Microphone gain set to 6 dBm.

z=2

Microphone gain set to 9.5 dBm.

z=3

Microphone gain set to 12 dBm.

SVD DATA BURST

Type:

Configuration

Format:

AT [cmds] -SMC=n [cmds]

Description:

Selects whether the modem will increase data throughput when no audio signal is detected during an SVD connection.

Command

Function

-SMC=0

Data burst disabled.

í -SMC=1

Data burst enabled.

SVD BANDWIDTH

Type:

Configuration

Format:

AT [cmds] -SMS=a,b,c,d [cmds]

Description:

Selects the configuration, throughput levels, and baud rate that the mode will attempt to use for SVD mode.

Command

Function

a=0

SVD mode disabled.

a=2

SVD mode enabled.

í a=3

Auto-detect correct mode.

b,c=4800

Sets the minimum and maximum combined voice and data speed to 4800bps, respectively.

b,c=7200

Sets the minimum and maximum combined voice and data speed to 7200bps, respectively.

b,c=9600

Sets the minimum and maximum combined voice and data speed to 9600bps, respectively.

b,c=12000

Sets the minimum and maximum combined voice and data speed to 12Kbps, respectively.

b,c=14400

Sets the minimum and maximum combined voice and data speed to 14.4Kbps, respectively.

í d=0

Auto-detects correct baud rate.

d=1

Sets ML288 baud rate to 2400 baud.

d=2

Sets ML288 baud rate to 2743 baud.

d=3

Sets ML288 baud rate to 2800 baud.

d=4

Sets ML288 baud rate to 3000 baud.

d=5

Sets ML288 baud rate to 3200 baud.

d=6

Sets ML288 baud rate to 3429 baud.

SVD MODULATION

Type:

Configuration

Format:

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

Description:

Selects which modulation type the modem will use for SVD mode.

Command

Function

m=0

Selects V.61 modulation.

m=1

Selects ML144 modulation.

í m=2

Selects ML288 modulation.

n=0

Modem will not auto-detect the correct modulation.

í n=1

Modem will auto-detect the correct modulation.

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=5

Headset used for voice I/O.

#VLS=6

Speakerphone used for voice I/O.

See NETCOMM LIMITED ROADSTER 336 (AM3460) for a full command summary.