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MT5600DSVD

MULTI-TECH SYSTEMS, INC.

MT5600DSVD

Card Type

Modem

Chip Set

Unidentified

I/O Options

25-pin serial port, power, line in, line out, microphone in, speaker jack

Maximum Modem Rate

56Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103/212A

ITU-T V.22, V.22bis, V.32ter, V.32bis, V.34, K56flex

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Unidentified

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Line in (RJ-11)

CN1

Microphone in

CN5

Line out (RJ-11)

CN2

Speaker jack

CN6

25-pin serial port

CN3

Power switch

SW1

Power jack

CN4

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

í Stereo speaker mode enabled

J10

Closed

Mono speaker mode enabled

J10

Open

 

 

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

TD

Unidentified

Blinking

Modem transmitting data

TD

Unidentified

Off

Modem not transmitting data

RD

Unidentified

Blinking

Modem is receiving data

RD

Unidentified

Off

Modem is not receiving data

CD

Unidentified

On

Carrier signal detected

CD

Unidentified

Off

Carrier signal not detected

56

Unidentified

On

Modem connected in K56flex or V.PCM mode

56

Unidentified

Off

Modem is not connected in K56flex or V.PCM mode

33

Unidentified

On

Modem connected in V.34 mode at speeds up to 33.6Kbps

33

Unidentified

Off

Modem is not connected in V.34 mode at speeds up to 33.6Kbps

14

Unidentified

On

Modem connected in V.32bis mode at 14.4Kbps

14

Unidentified

Off

Modem is not connected in V.32bis mode at 14.4Kbps

OH

Unidentified

On

Modem is on-hook

OH

Unidentified

Off

Modem is off-hook

TR

Unidentified

On

DTR signal is high

TR

Unidentified

Off

DTR signal is low

EC

Unidentified

On

Modem is set for V.42 error compression

EC

Unidentified

Off

Modem is not set for V.42 error compression

EC

Unidentified

Blinking

Data compression enabled

FX

Unidentified

On

Modem is in Fax mode

FX

Unidentified

Off

Modem is not in Fax mode

SUPPORTED COMMAND SET

Basic AT Commands

AT, +++, A/

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

&C, &F, &G, &T, &W, &Y, &Z

Extended AT Commands

\A, \B, \J, \K, \N, \V

%C, %E, %L, %Q

Special Commands

-K, #CID

S Registers

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

Voice Commands

#CLS, #MDL?, #MFR?, #REV?

Note: See MHI Help File for full command documentation.

Proprietary AT Command Set

AUTO-MODE DETECTION

Type:

Configuration

Format:

AT [cmds] Nn [cmds]

Description:

Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed.

Command

Function

N0

Auto-mode detection disabled. Handshake begins at line speed designated by the S37 register. If S37=0 handshake follows interface speed

í N1

Auto-mode detection enabled. Handshake begins at line speed designated by the S37 register. If S37=0 handshake at highest possible speed with fallback to lower speed if necessary

 

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Mn [cmds]

Description:

Selects communications mode

Command

Mode

&M0

Asynchronous mode

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Qn [cmds]

Description:

Selects communications mode options

Command

Mode

&Q0

Asynchronous mode, serial port speed follows connect speed.

í &Q5

Error correction mode

&Q6

Buffered asynchronous mode

CONFIGURATION PROFILES & CALL STATISTICS

Type:

Immediate

Format:

AT [cmds] &V [cmds]

Description:

Displays active and stored configuration profiles & statistics for last connection

Command

Function

&V0

Displays the active configuration, the two stored user profiles, and the first four phone numbers

&V1

Displays statistics for last connection

DATA SET READY (DSR)

Type:

Configuration

Format:

AT [cmds] &Sn [cmds]

Description:

Selects DSR options

Command

Function

&S0

DSR forced high

&S1

DSR high only while modem is connected

DATA TERMINAL READY (DTR)

Type:

Configuration

Format:

AT [cmds] &Dn [cmds]

Description:

Selects modem response to DTR

Note: The action each variant of &D causes depends on the setting of &Q

&Q Setting

&D0

&D1

&D2

&D3

&Q0, &Q5, &Q6

Command 0

Command 1

Command 2

Command 4

&Q1, &Q4

Command 3

Command 1

Command 2

Command 2

&Q2, &Q3

Command 2

Command 2

Command 2

Command 2

Command

Function

Command 0

Modem does not respond to DTR

Command 1

Modem goes to command mode after DTR goes is off

Command 2

Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.

Command 3

Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is not disabled

Command 4

Modem is initialized after DTR goes off

 

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.

Command

Function

DL

Re-dial last number

DP

Pulse dialing enabled

DS=n

Dial stored telephone number n

DT

Tone dialing enabled/Pulse dialing disabled

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;

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

D$

Calling card "Bong" detection enabled

D^

Data calling tone transmission disabled

FACTORY DEFAULT PROFILE

Type:

Configuration

Format:

AT [cmds] &F [cmds]

Description:

Sets values in active profile to values found in the default profile

Command

Function

&F0

Load factory configuration 0

&F1

Load factory configuration 1

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Enables flow control options

Command

Function

&K0

Flow control disabled

&K3

RTS/CTS flow control enabled

&K4

XON/XOFF flow control enabled

&K5

Transparent XON/XOFF flow control enabled

&K6

Both RTS/CTS & XON/XOFF flow control enabled

PULSE DIALING RATIO

Type:

Configuration

Format:

AT [cmds] &Pn [cmds]

Description:

Selects pulse dial make/break ratio

Command

Function

&P0

39/61ms at 10pps (North America)

 

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports default speed and controller firmware code

I1

Reports ROM checksum

I2

Tests and reports ROM checksum

I3

Reports default speed and controller firmware code

I4

Reports OEM identifier string in either binary or ASCII format

I5

Reports country code

I6

Reports data pump model and internal code

I7

Reports country code

SPEAKER VOLUME

Type:

Configuration

Format:

AT [cmds] Ln [cmds]

Description:

Controls speaker volume

Command

Function

L0

Low volume setting

L1

Low volume setting

L2

Medium volume setting

L3

Highest volume setting

TRANSMIT CARRIER

Type:

Configuration

Format:

AT [cmds] Cn [cmds]

Description:

Controls the transmit carrier switching

Command

Function

C1

Transmit carrier enabled

Extended AT Commands

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Description:

Command nonfunctional; for compatibility purposes only

Command

Function

\G0

Returns OK for backward compatibility

PCM CODE SELECTION

Type:

Configuration

Format:

AT [cmds] %Un [cmds]

Description:

Determines the PCM code type for 56K modulation

Command

Function

í %U0

m -law encoding enabled (North America & Japan)

%U1

A -law encoding enabled (Europe)

 

SPECIAL COMMANDS

DISTINCTIVE RING

Type:

Immediate

Format:

AT [cmds] -SDR=n [cmds]

Description:

Selects the distinctive ring settings

Command

Function

-SDR=0

Distinctive ring disabled

-SDR=1

Type 1 enabled

-SDR=2

Type 2 enabled

-SDR=3

Type 1 and 2 enabled

-SDR=4

Type 3 enabled

-SDR=5

Type 1 and 3 enabled

-SDR=6

Type 2 and 3 enabled

-SDR=7

Type 1, 2, and 3 enabled

MODULATION SELECTION

Type:

Configuration

Format:

AT [cmds] +MS=x,y,z,a [cmds]

Description:

Sets options for active protocol; the transfer rates specified by z and a must be valid for the protocol selected. +MS? queries setting

Command

Function

x=0

V.21

x=1

V.22

x=2

V.22bis

x=3

V.23

x=9

V.32

x=10

V.32bis

x=11

V.34

í x=12

V.90, fallback to K56flex. .V.34 . .V.32bis, etc..

x=13

K56flex, fallback to V.90. .V.34. .V.32bis, etc..

x=64

Bell 103

x=69

Bell 212A

VOICE COMMANDS

DATA/DSVD MODE

Type:

Configuration

Format:

AT [cmds] -SMS=n [cmds]

Description:

Selects data or DSVD mode

Command

Function

í -SMS=0

Data mode

-SMS=1

DSVD mode

-SMS=3

Automatic mode selection

DSVD MODE

Type:

Configuration

Format:

AT [cmds] -SSE=n [cmds]

Description:

Select whether the modem will use DSVD mode.

Command

Function

í -SSE=0

DSVD mode disabled.

-SSE=1

DSVD 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=5

Headset used for voice I/O.

#VLS=6

Speakerphone used for voice I/O.

VOICE - LOCAL SERIAL PORT SPEED

Type:

Configuration

Format:

AT [cmds] #BDR=n [cmds]

Range:

0-48

Unit:

2400bps

Description:

Sets the speed of the local serial port when in voice mode.

S(STATUS) -REGISTERS

CONNECTION FAILURE CODES

Type:

Register

Format

AT [cmds] S86? [cmds]

Description:

Reports codes which correspond to the possible causes of a connection failure

Value

Meaning

0

Normal hang up

4

Carrier signal lost

5

No error-control detected for remote modem during feature negotiation

9

No common protocol found

12

No failure - remote modem disconnected normally

13

Remote modem failed to respond after 10 re-transmissions same message

14

Violation of negotiated protocol caused failure

DCE LINE SPEED

Type:

Register

Format

AT [cmds] S37=n [cmds]

Description:

Sets the maximum allowable data exchange rate attempted during handshake process. For compatibility only, use +MS to set line speed

ERROR CORRECTION NEGOTIATION

Type:

Register

Format

AT [cmds] S36=n [cmds]

Description:

Selects the action of the modem if it fails to connect when error control is selected.

Command

S48=7

S48=128

S36=0

LAPM or hang-up

Not used

S36=1

LAPM or Asynchronous

Asynchronous

S36=2

LAPM or hang-up

Not used

S36=3

LAPM or Asynchronous

Asynchronous

S36=4

LAPM, MNP, or hang-up

MNP or hang-up

S36=5

LAPM, MNP, or Asynchronous

MNP or Asynchronous

S36=6

LAPM, MNP, or hang-up

MNP or hang-up

S36=7

LAPM, MNP, or Asynchronous

MNP or Asynchronous

 

ERROR CORRECTION/COMPRESSION

Type:

Register

Format:

AT [cmds] S46=n [cmds]

Description:

Selects active error correction and compression protocols

Command

Function

S46=136

Error correction only, no compression

S46=138

Error correction with V.42bis data compression

FEATURE NEGOTIATION

Type:

Register

Format:

AT [cmds] S48=n [cmds]

Description:

Selects active error correction and compression protocols. See S36, error correction negotiation table

Command

Function

S48=0

Detection negotiation disabled

S48=7

Detection negotiation enabled

S48=128

Fall-back to options set in S36

INACTIVITY TIMER

Type:

Register

Format

AT [cmds] S30=n [cmds]

Range:

0-255

Unit:

10 ms

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process.

Note: S30=0 disables the timer and allows indefinite inactivity.

V.25 CALLING TONE

Type:

Register

Format

AT [cmds] S35=n [cmds]

Range:

0-1

Unit:

Decimal

Description:

Enables V.25 data calling tone, which allows remote data/fax/voice discrimination

Note: S35=0 disables V.25 data calling tone.