DATA COMMUNICATIONS TECHNOLOGIES

ULTRALINK V.34 INTERNAL

Card Type

Modem (asynchronous)

Chipset

Rockwell

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

Error Correction/Compression

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

Fax Class

Class I

Data Bus

8/16 bit ISA

Card Size

Full height, half length

CONNECTIONS

Function

Label

Function

Label

Telephone line out

CN1

Headphone out

CN4

Telephone line in

CN2

Speaker out

CN5

Microphone in

CN3

   

USER CONFIGURABLE SETTINGS

Setting

Label

Position

í Factory configured - do not alter

J5

Pins 3 & 4 closed

í Plug-N-Play enabled

J6

Pins 2 & 3, 5 & 6 closed

Plug-N-Play disabled

J6

Pins 1 & 2, 4 & 5 closed

í Internal speaker amplifier enabled

J7

Pins 1 & 3 closed

Internal speaker amplifier disabled

J7

Pins 2 & 4 closed

SERIAL PORT ADDRESS SELECTION (PLUG-N-PLAY DISABLED)

Setting

J3/A

J3/B

J3/C

J3/D

3F8h (COM1:)

Open

Closed

Open

Closed

2F8h (COM2:)

Open

Closed

Closed

Open

3E8h (COM3:)

Closed

Open

Open

Closed

2E8h (COM4:)

Closed

Open

Closed

Open

INTERRUPT SELECTION (PLUG-N-PLAY DISABLED)

Setting

J4/A

J4/B

J4/C

J4/D

J4/E

J4/F

J4/G

J4/H

J4/I

2/9

Open

Open

Open

Open

Closed

Open

Open

Open

Open

3

Closed

Open

Open

Open

Open

Open

Open

Open

Open

4

Open

Closed

Open

Open

Open

Open

Open

Open

Open

5

Open

Open

Closed

Open

Open

Open

Open

Open

Open

7

Open

Open

Open

Closed

Open

Open

Open

Open

Open

10

Open

Open

Open

Open

Open

Closed

Open

Open

Open

11

Open

Open

Open

Open

Open

Open

Closed

Open

Open

12

Open

Open

Open

Open

Open

Open

Open

Closed

Open

15

Open

Open

Open

Open

Open

Open

Open

Open

Closed

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

Extended AT Commands

\A, \B, \N

%C, %E, %L, %Q

Special AT Commands

#CID, -K, +MS

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25

S26, S27, S28, S29, S30, S31, S32, S33, S36, S38, S39, S40, S41, S46, S48, S82, S86, S95

Note: See MHI help file for complete information.

UNIDENTIFIED COMMANDS

Command

Default

\K

Unidentified

Proprietary AT Command Set

DIAL

Type:

Immediate

Format:

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

Description:

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

Command

Function

DL

Re-dial last number.

DP

Pulse dialing enabled.

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 toggled from current state 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 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.

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 least significant byte of ROM checksum.

I2

Tests and displays ROM checksum result.

I3

Displays firmware revision.

I4

Displays modem identifier.

I5

Displays country code.

I6

Displays data pump model and revision.

I7

Displays DAA code.

DISTINCTIVE RING

Format:

AT [cmds] -SDR=n [cmds]

Default:

Unidentified

Range:

0 - 7

Description:

Selects which distinctive ring signals the modem will respond to.

Bit

Value

Function

0

0

1

Do not respond to distinctive ring type 1.

Respond to distinctive ring type 1.

1

0

1

Do not respond to distinctive ring type 2.

Respond to distinctive ring type 2.

2

0

1

Do not respond to distinctive ring type 3.

Respond to distinctive ring type 3.

LINE SPEED

Type:

Register

Format:

AT [cmds] S37=n [cmds]

Description:

Selects the line speed the modem will attempt to connect at.

Command

Function

S37=0

Modem will connect at highest common protocol.

S37=1

Modem will connect at 300bps.

S37=2

Modem will connect at 300bps.

S37=3

Modem will connect at 300bps.

S37=5

Modem will connect at 1200bps.

S37=6

Modem will connect at 2400bps.

S37=7

Modem will connect with V.23

S37=8

Modem will connect at 4800bps.

S37=9

Modem will connect at 9600bps.

S37=10

Modem will connect at 12Kbps.

S37=11

Modem will connect at 14.4Kbps.

S37=12

Modem will connect at 7200bps.

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.

SVD BANDWIDTH

Type:

Configuration

Format:

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

Description:

Selects the throughput levels allowed for SVD mode.

Command

Function

a=0

SVD mode disabled.

a=2

SVD mode enabled.

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.

d

Sets the baud rate for ML288 modulation mode. A setting of 0 will cause the modem to auto-detect the correct mode, which is the default.

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=1

Selects ML144 modulation.

m=2

Selects ML288 modulation.

n=0

Modem will not auto-detect the correct modulation.

n=1

Modem will auto-detect the correct modulation.

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 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=6

Speakerphone used for voice I/O.

#VLS=7

Handset muted by disconnecting handset or speakerphone from telephone line.

#VLS=8

Connects caller ID relay for recording of conversation over handset.

#VLS=9

Connects handset (or speakerphone) 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 - 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 RING DETECT TIME

Type:

Configuration

Format:

AT [cmds] #VRN=n [cmds]

Default:

70

Range:

0 - 255

Unit:

.1 second

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.

Command

Function

#VBS=2

Modem records 2 bits per sample in ADPCM encoding.

#VBS=4

Modem records 4 bits per sample in ADPCM encoding.

#VBS=8

Modem records 8 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

#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 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 VOLUME LEVEL

Type:

Configuration

Format:

AT [cmds] #VGT=n [cmds]

Default:

Unidentified

Range:

128 - 228

Unit:

Unidentified

Description:

Sets the volume level when playing back audio signals.