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MT5600ZDXV

MULTI-TECH SYSTEMS, INC.

MT5600ZDXV

Card Type

Modem

Chip Set

Unidentified

I/O Options

25-pin serial port, power, line in, line out

Maximum Modem Rate

56Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103/212A

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

I & II

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Power connector

CN1

Line out (RJ-11)

CN3

25-pin serial port

CN2

Line in (RJ-45 connector)

CN4

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 mode

56

Unidentified

Off

Modem is not connected in K56flex mode

28

Unidentified

On

Modem connected in V.34 mode

28

Unidentified

Off

Modem is not connected in V.34 mode

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, Q, V, W, X, Y, Z

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

Extended AT Commands

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

%C, %E, %L, %Q

Special Commands

-K, #CID

S Registers

S0, S1, S2, S3, S4, S6, S7, S8, S9, S10, S11, S12, S18, S21, S24, S25, S29, S30, S32, S33,

S38, S91, S92, S95

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

í &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

Command

Function

&D0

DTR ignored

&D1

DTR drop causes online command mode

í &D2

DTR drop causes modem to go on-hook

&D3

Resets on low DTR

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.

DV

Switch to speakerphone

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

JACK TYPE

Type:

Configuration

Format:

AT [cmds] &Jn [cmds]

Description:

Command non-functional; for compatibility only

LINE TYPE

Type:

Configuration

Format:

AT [cmds] &Ln [cmds]

Description:

Command non-functional; for compatibility only

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product code

I1

Reports ROM checksum

I2

Tests and reports ROM checksum

I3

Reports firmware version and application codes

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

 

SPECIAL COMMANDS

BLACKLIST

Type:

Immidiate

Format:

AT [cmds] *B [cmds]

Description:

Displays blacklisted numbers. If no numbers are blacklisted, returns OK.

DELAY

Type:

Immidiate

Format:

AT [cmds] *D [cmds]

Description:

Displays delayed numbers with the delay associated with each. If no numbers are delayed, returns OK.

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

FLASH MEMORY

Type:

Configuration

Format:

AT [cmds] **n [cmds]

Description:

Controls download to flash memory

Command

Function

**0

Downloads last sensed speed into flash memory

**1

Downloads 38.4Kbps into flash memory

**2

Downloads 57.6Kbps into flash memory

MNP10 - FALLBACK

Type:

Configuration

Format:

AT [cmds] -Qn [cmds]

Description:

Command non-functional; for compatibility only

MNP10 - LINK NEGOTIATION

Type:

Configuration

Format:

AT [cmds] *Hn [cmds]

Description:

Command non-functional; for compatibility only

MNP10 - POWER LEVEL ADJUST

Type:

Configuration

Format:

AT [cmds] )Mn [cmds]

Description:

Command non-functional; for compatibility only

 

MNP10 - POWER LEVEL ADJUST

Type:

Configuration

Format:

AT [cmds] -SEC=n [cmds]

Range:

0-30

Unit:

-1dBm

Description:

Controls automatic transmit power level adjustment during MNP 10 link negotiation

Command

Function

-SEC=0

MNP10 disabled. Transmission level is set in the S91 register

-SEC=1, [tx_lev]

MNP10 enabled. Set transmit level

MODULATION SELECTION

Type:

Configuration

Format:

AT [cmds] +MS=x [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

x=56

K56flex

x=64

Bell 103

x=69

Bell 212A

PLUG & PLAY SERIAL NUMBER

Type:

Immediate

Format:

AT [cmds] %7n [cmds]

Range:

8

Unit:

Hexidecimal

Description:

Sets and stores numbers for serial plug & play

PLUG & PLAY VENDOR ID & PRODUCT NUMBER

Type:

Immediate

Format:

AT [cmds] %8n [cmds]

Range:

3 (ASCII), 4 (hex)

Unit:

ASCII, Hexidecimal

Description:

Sets and stores numbers for serial plug & play

TRANSMISSION LEVEL - CELLULAR

Type:

Configuration

Format:

AT [cmds] @Mn [cmds]

Range:

0-30

Unit:

-1dBm

Description:

Command non-functional; for compatibility only

V.32 - COMPROMISE EQUALIZER

Type:

Configuration

Format:

AT [cmds] :En [cmds]

Description:

Command non-functional; for compatibility only

 

S(STATUS) -REGISTERS

BACKSPACE CHARACTER

Type:

Register

Format

AT [cmds] S5=n [cmds]

Range:

0-127

Unit:

ASCII

Description:

Selects a character used for backspace <BS>

Note: A value greater than 32 will disable backspace

BIT-MAPPED REGISTER S14

Format:

AT [cmds] S14=n [cmds]

Range:

0-174

Unit:

Bit-mapped

Description:

Controls echo, result codes and display, dial mode, and answer/originate mode.

Bit

Value

Function

0

0

Not used

1

0

1

Command echo disabled

Command echo enabled

2

0

1

Result codes enabled

Result codes disabled

3

0

1

Display result codes in numeric format

Display result codes in verbose format

4

0

Not used

5

0

1

Tone dial enabled

Pulse dial enabled

6

0

Not used

7

0 1

Answer mode enabled

Originate mode enabled

BIT-MAPPED REGISTER S22

Format

AT [cmds] S22=n [cmds]

Range:

0-255

Unit:

Bit-mapped

Description:

Controls speaker volume and controls, limits results codes, and pulse dial make/break ratio.

Bit

Value

Function

1, 0

00

01

10

11

Off volume

Low level volume

Medium level volume

High level volume

3, 2

00

01

10

11

Speaker off

Speaker off on carrier

Speaker always on

Speaker on during handshake

6 - 4

000

100

101

110

111

Basic result codes only enabled

Basic and connection speed result codes enabled

Basic and connection speed result codes and dialtone detection enabled

All result codes except dialtone detection enabled

All result codes enabled

7

0

Not used

 

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23=n [cmds]

Range:

0-189

Unit:

Bit-mapped

Description:

Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone.

Bit

Value

Function

0

0

1

Remote digital loopback denied

Remote digital loopback allowed

3 - 1

000

001

010

011

100

101

110

í 111

Sets serial port speed to 0-300bps

Sets serial port speed to 600bps

Sets serial port speed to 1200bps

Sets serial port speed to 2400bps

Sets serial port speed to 4800bps

Sets serial port speed to 9600bps

Sets serial port speed to 19.2Kbps

Sets serial port speed to 38.4Kbps or higher

5, 4

00

01

10

í 11

Parity even

Space Parity

Parity odd

Mark or No Parity

7, 6

í 00

01

10

Guard tone disabled

Guard tone 550Hz enabled

Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Range:

0-111

Unit:

Bit-mapped

Description:

Selects synchronous/asynchronous mode, line type, clock source, and ITU-T/Bell modes.

Bit

Value

Function

3, 1, 0

00

01

10

11

Asynchronous mode, serial port speed follows connect speed

Asynchronous off-line command mode and synchronous connect mode

Asynchronous off-line command mode; modem autodials first number in directory, then synchronous connect mode

Asynchronous off-line command mode on low DTR, synchronous connect mode on high DTR

2

0

1

Switched line

Leased line

5, 4

00

01

10

Local modem generates transmit clock source

Local DTE generates transmit clock source

Remote DCE/DTE generates transmit clock source

6

0

1

ITU/T mode

Bell mode

7

0

Not Used

 

BIT-MAPPED REGISTER S28

Format

AT [cmds] S28=n [cmds]

Range:

0-31

Unit:

Bit-mapped

Description:

Controls pulse dialing.

Bit

Value

Function

4, 3

00

01

10

11

39ms make/61ms break at 10pps

33ms make/67ms break at 10pps

39ms make/61ms break at 20pps

33ms make/67ms break at 20pps

BIT-MAPPED REGISTER S31

Format:

AT [cmds] S31=n [cmds]

Range:

0-10

Description:

Select automode, extended result code format and caller ID functions

Bit

Value

Function

0

0

Not used

1

0

í 1

Auto-mode detection disabled

Auto-mode detection enabled

3, 2

00

01

10

Enables CONNECT result codes to report DTE speed

Full reporting of CONNECT result codes

Enables CONNECT result codes to report DCE speed

5, 4

í 0

1

2

Caller ID disabled

Short formatted Caller ID enabled

Long unformatted Caller ID enabled

BIT-MAPPED REGISTER S40

Format

AT [cmds] S40=n [cmds]

Range:

0-255

Unit:

Bit-mapped

Description:

Controls power level and break handling; selects MNP extended services, link negotiation, and block size.

Bit

Value

Function

1, 0

í 0

1

MNP Extended Services disabled

MNP Extended Services enabled

2

0

Not used

5, 4, 3

000

001

010

011

100

í 101

AT\K0

AT\K1

AT\K2

AT\K3

AT\K4

AT\K5

7, 6

00

í 01

10

11

MNP block size is 64 characters

MNP block size is 128 characters

MNP block size is 192 characters

MNP block size is 256 characters

 

BIT-MAPPED REGISTER S41

Format

AT [cmds] S41=n [cmds]

Range:

Unidentified

Unit:

Bit-mapped

Description:

Selects compression, auto-retrain, and MNP mode.

Bit

Value

Function

1 - 0

00

01

10

í 11

Data compression disabled

MNP5 enabled

V.42bis enabled

MNP5 and V.42bis enabled

2

0

1

Auto-retrain, fallback/fall-forward disabled

Auto-retrain, fallback/fall-forward enabled

3-5

0

Not Used

6

0

í 1

Auto-retrain enabled

Auto-fallback/fall-forward enabled

7

0

Not Used

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

FLOW CONTROL

Type:

Register

Format

AT [cmds] S39? [cmds]

Description:

Displays the current flow control

Value

Meaning

0

Flow control disabled

í 3

RTS/CTS flow control enabled

4

XON/XOFF flow control enabled

5

Transparent XON/XOFF flow control enabled

6

Both RTS/CTS & XON/XOFF flow control enabled

TEST MODES

Type:

Register

Format:

AT [cmds] S16=n [cmds]

Range:

0-125

Unit:

Bit-mapped

Description:

Controls loopback tests, analog, digital, remote digital, and self tests.

Bit

Value

Function

0

0

1

Local analog loopback not in progress

Local analog loopback in progress

1

0

Not used

2

0

1

Local digital loopback not in progress

Local digital loopback in progress

3

0

1

Modem not in remote digital loopback

Remote digital loopback in progress

4

0

1

Remote digital loopback not requested

Remote digital loopback requested

5

0

1

Remote digital loopback w/ self-test not in progress

Remote digital loopback w/ self-test in progress

6-7

0

Not used