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MT5634ZBA, MT5634ZBAV

MULTI-TECH SYSTEMS, INC.

MT5634ZBA, MT5634ZBAV

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

J8

Closed

Mono speaker mode enabled

J8

Open

í Dial mode enabled

J10

Pins 2 & 3 closed

Leased line enabled

J10

Pins 1 & 2 closed

í Answer mode mode enabled

J11

Pins 2 & 3 closed

Originate mode enabled

J11

Pins 1 & 2 closed

 

 

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, E, F, H, M, O, P, Q, T, V, W, Y

&C, &F, &G, &V, &Z

Extended AT Commands

\A, \B, \J, \K, \T, \X

Special Commands

-C

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S10, S11

 

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

In originate mode, handshake begins at line speed designated by the S37 register and the B command

í N1

In originate mode, handshake begins at line speed designated by the S37 register. and the B command Modem can shift to a slower speed if necessary.

 

AUXILLARY RELAY CONTROL

Type:

Configuration

Format:

AT [cmds] &J [cmds]

Description:

Controls auxiliary relay

Command

Function

&J0

Auxiliary relay remains open

COMMUNICATION PROTOCOLS

Type:

Configuration

Format:

AT [cmds] Bn [cmds]

Description:

Selects the communication protocol for data calls

Command

Protocol

B0

Modem will use ITU-T V.22 at 1200bps.

B1

Modem will use Bell 212A at 1200bps.

B2

ITU-T V.23 reverse channel disabled

B3

ITU-T V.23 reverse channel disabled

B15

Modem will use ITU-T V.21 at 300bps.

B16

Modem will use Bell 103J at 300bps.

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

&Q8

MNP error correction mode. Fallback according to register S36

&Q9

V.42 or MNP error correction mode. Fallback according to register S36

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

Command

Function

&D0

Modem does not respond to DTR

&D1

Modem goes to command mode after DTR goes is off

í &D2

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

&D3

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

DV

Switch to speakerphone

D^

Data calling tone transmission disabled

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Enables flow control options

Command

Function

&K0

Flow control disabled

í &K3

RTS to CTS flow control enabled

&K4

XON/XOFF flow control enabled

ON-LINE

Type:

Immediate

Format:

AT [cmds] On

Description:

Instructs the modem to return to on-line state.

Command

Function

O0

Return to on-line state.

O1

Return to on-line state and initiate retrain sequence.

O3

Return to on-line state and initiate renegotiation sequence.

 

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 data pump model and revision code

I5

Reports board ID: software version, hardware version, & country ID

I9

Reports country code

I11

Reports diagnostic information for the last modem connection

RESTORE PROFILE ON POWER-UP

Type:

Configuration

Format:

AT [cmds] &Yn [cmds]

Description:

Restores a selected profile into the active profile on power-up (hard reset)

Command

Function

&Y0

Restore profile 0 on power-up

RESULT CODES

Type:

Configuration

Format:

AT [cmds] Qn [cmds]

Description:

Enables modem to send result codes to the DTE

Command

Function

Q0

Result code sending enabled

Q1

Result code sending disabled

Q2

Returns OK for backward compatibility

SELECT CALL PROGRESS RESULT CODES

Type:

Configuration

Format:

AT [cmds] Xn [cmds]

Description:

Enables selection of tone detection and associated result code format options

Command

Function

X0

Busy and dial tone detection disabled; basic result codes enabled.

X1

Busy and dial tone detection disabled; extended result codes enabled.

X2

Busy tone detection disabled, dial tone detection enabled; extended result codes enabled.

X3

Busy tone detection enabled, dial tone detection disabled; extended result codes enabled.

í X4

Busy and dial tone detection disabled; extended result codes enabled.

X5

Busy and dial tone detection disabled; extended result codes enabled.

X6

Busy and dial tone detection disabled; extended result codes enabled.

X7

Busy and dial tone detection disabled; basic result codes enabled.

 

SOFT RESET

Type:

Immediate

Format:

AT [cmds] Zn [cmds]

Description:

Restores modem profiles previously saved in non-volatile RAM using the &W command.

Command

Function

Z0

Restore setting to profile saved by last &W command

Z1

Restore setting to profile saved by last &W command

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

STORE ACTIVE PROFILE

Type:

Configuration

Format:

AT [cmds] &Wn [cmds]

Description:

Writes the values for the active profile into the non-volatile RAM

Command

Function

&W0

Write the active profile to NVRAM

&W1

Clears user default settings from NVRAM

TEST MODES

Type:

Immediate

Format:

AT [cmds] &Tn

Description:

Selects test options

Command

Function

&T0

End current test

&T1

Begin local analog loopback test

&T3

Begin local digital loopback

&T6

Request remote digital loopback

TRANSMIT CARRIER

Type:

Configuration

Format:

AT [cmds] Cn [cmds]

Description:

Controls the transmit carrier switching

Command

Function

C1

Transmit carrier enabled

V.32 - AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmds] &Bn [cmds]

Description:

Controls auto-retrain function if poor line quality is detected

Command

Function

&B1

Auto-retrain enabled if line quality is poor

Extended AT Commands

AUTO-FALLBACK/FALL-FORWARD

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Description:

Controls auto-retrain mode and fallback/fall-forward

Command

Function

%E0

Auto-fallback/fall-forward disabled

%E1

Auto-fallback enabled; fall-forward disabled

í %E2

Auto-fallback/fall-forward enabled

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

%C1

V.42bis/MNP5 enabled

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Description:

Controls the type of connection the modem will operate in

Command

Function

\N0

Normal mode enabled

\N1

Direct mode enabled

\N2

MNP reliable mode enabled

í \N3

V.42/MNP auto-reliable mode enabled

\N4

V.42 reliable mode enabled

\N5

V.42/MNP auto-reliable mode enabled

\N7

V.42/MNP auto-reliable mode enabled

DISPLAY BLACKLIST NUMBERS

Type:

Immediate

Format:

AT [cmds] %B [cmds]

Description:

Displays the list of all the numbers on the blacklist. Returns ERROR if blacklisting is disabled.

EXTENDED RESULT CODES

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Description:

Selects extended result codes

Command

Function

\V0

Extended result codes disabled

í \V1

Extended result codes enabled

\V2

Extended result codes enabled

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Description:

Command nonfunctional; for compatibility purposes only

Command

Function

\G0

Returns OK for backward compatibility

 

FLOW CONTROL TYPE

Type:

Configuration

Format:

AT [cmds] \Qn [cmds]

Description:

Sets type of flow control used by modem

Command

Function

\Q0

Flow control disabled

\Q1

Bi-directional XON/XOFF flow control enabled

í \Q3

Bi-directional RTS/CTS flow control enabled

Special Commands

11-BIT PARITY

Type:

Configuration

Format

AT [cmds] #Pn [cmds]

Description:

Sets the 11-bit parity options

Command

Function

#P0

No parity enabled

#P0

Odd parity enabled

í #P2

Even parity enabled

ASYNCHRONOUS WORD LENGTH

Type:

Configuration

Format:

AT [cmds] $EBn [cmds]

Description:

Selects word length in asynchronous mode

Command

Function

$EB0

10-bit word length enabled

$EB1

11-bit word length enabled

ASYNCHRONOUS WORD LENGTH

Type:

Configuration

Format:

AT [cmds] +ES=n [cmds]

Description:

Allows an H.324 video application direct access to the synchronous data channel. +ES=? Shows allowable value (6) +ES? Queries setting

Command

Function

+ES=6

Allows an H.324 video application direct access to the synchronous data channel

CALLBACK ATTEMPTS

Type:

Configuration

Format

AT [cmds] #CBAn [cmds]

Range:

1-255

Default:

4

Unit:

1 callback

Description:

Sets the number of callback attempts allowed after passwords have been exchanged between modems

 

CALLBACK DELAY

Type:

Configuration

Format

AT [cmds] #CBDn [cmds]

Range:

0-255

Default:

15

Unit:

1 second

Description:

Sets the length of time that the modem waits before calling back the remote modem

CALLBACK FAILED ATTEMPT DISPLAY

Type:

Immediate

Format

AT [cmds] #CBF? [cmds]

Description:

Requests the number of failed callback passwords since reset power-up. Number may be stored in NVRAM using &W command

CALLBACK FAILED ATTEMPT RESET

Type:

Immediate

Format

AT [cmds] #CBFR [cmds]

Description:

Resets number of failed callback passwords to zero. Does not reset number stored in NVRAM using &W command

CALLBACK INACTIVITY TIMER - LOCAL

Type:

Configuration

Format

AT [cmds] #CBIn [cmds]

Range:

0-255

Default:

20

Unit:

1 minute

Description:

Sets the length of time that the modem waits for a command before requiring the user to reenter the setup password

CALLBACK PARITY

Type:

Configuration

Format:

AT [cmds] #CBPn [cmds]

Description:

Sets the parity for callback security messages

Command

Function

í #CBP0

No parity enabled

#CBP1

Odd parity enabled

#CBP2

Even parity enabled

CALLBACK SECURITY ENABLE/DISABLE

Type:

Configuration

Format

AT [cmds] #CBSn [cmds]

Description:

Enables/disables local and remote callback security

Command

Function

í #CBS0

Callback security disabled

#CBS1

Local and remote callback security enabled

#CBS2

Remote callback security enabled

#CBS3

Callback security disabled until local hangup or reset

 

CALLBACK SECURITY RESET

Type:

Configuration

Format

AT [cmds] #CBRn [cmds]

Range:

0-29

Description:

Clears the password and phone number in memory location (n)

COMMAND RESPONSE

Type:

Configuration

Format:

AT [cmds] %DCn [cmds]

Description:

Enables/disables AT command response function

Command

Function

%DC0

Modem responds to AT commands

%DC1

Modem ignores AT commands

DTR DIALING

Type:

Configuration

Format:

AT [cmds] $Dn [cmds]

Description:

Enables/disables DTR dialing

Command

Function

$D0

DTR dialing disabled

$D1

DTR dialing enabled

ENTER SETUP PASSWORD

Type:

Configuration

Format

AT [cmds] #Sn [cmds]

Range:

1-8

Unit:

ASCII character string (case sensitive)

Description:

Enters remote configuration setup password. Default password is MTSMODEM

ESCAPE SEQUENCE - REMOTE

Type:

Immediate

Format:

%%%AT [cmds] <CR>

Description:

Initiates remote configuration mode while on-line with remote modem. The remote configuration escape character is defined by register S13

SPEAKER CODEC LOOPBACK

Type:

Configuration

Format:

AT [cmds] &&S [cmds]

Description:

Provides aloopbcak from the microphone to the speaker.

Description:

For testing and debugginh purposes only

STORE CALLBACK PASSWORD

Type:

Configuration

Format

AT [cmds] #CBNn=x [cmds]

Range (n):

0-29

Range (x):

6-10

Unit (x):

ASCII character string (excluding +or -)

Description:

Sets callback security password (x) for the memory location (n)

 

STORE SETUP PASSWORD

Type:

Configuration

Format

AT [cmds] #S=n [cmds]

Range:

1-8

Unit:

ASCII character string (case sensitive)

Description:

Stores a new remote configuration setup password. Default password is MTSMODEM

 

S(STATUS) -REGISTERS

56K DCE LINE SPEED

Type:

Register

Format

AT [cmds] S38=n [cmds]

Description:

Sets the maximum allowable 56K downstream rate attempted during handshake process.

Command

Function

S38=0

56K disabled

S38=1

56K automatic speed select

S38=2

32.0Kbps

S38=3

34.0Kbps

S38=4

36.0Kbps

S38=5

38.0Kbps

S38=6

40.0Kbps

S38=7

42.0Kbps

S38=8

44.0Kbps

S38=9

46.0Kbps

S38=10

48.0Kbps

S38=11

50.0Kbps

S38=12

52.0Kbps

S38=13

54.0Kbps

S38=14

56.0Kbps

56K DIGITAL LOSS

Type:

Register

Format:

AT [cmds] S108=n [cmds]

Description:

Selects the 56Kbps digital loss if using the modem thru a PBX line

Command

Function

S108=0

-0dB digital loss; robbed bit signaling disabled

S108=1

-3dB PBX digital loss

S108=2

-2dB digital loss

S108=3

-3dB digital loss

í S108=6

-6dB digital loss

S108=7

-0dB digital loss; robbed bit signaling enabled

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

 

DCE LINE SPEED

Type:

Register

Format

AT [cmds] S37=n [cmds]

Description:

Sets the maximum allowable data exchange rate attempted during handshake process.

Command

Function

S37=0

Maximum speed

S37=1

Reserved

S37=2

1200/75bps

S37=3

300bps

S37=4

Reserved

S37=5

1200bps

S37=6

2400bps

S37=7

4800bps

S37=8

7200bps

S37=9

9600bps

S37=10

12.0Kbps

S37=11

14.4Kbps

S37=12

16.8Kbps

S37=13

19.2Kbps

S37=14

21.6Kbps

S37=15

24.0Kbps

S37=16

26.4Kbps

S37=17

28.8Kbps

S37=18

31.2Kbps

S37=19

33.6Kbps

DIALING DELAY

Type:

Register

Format

AT [cmds] S6=n [cmds]

Range:

2-65

Unit:

1 second

Description:

Duration of delay after modem goes off-hook and before dialing

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

ESCAPE CHARACTER

Type:

Register

Format

AT [cmds] S9=n [cmds]

Range:

1-127

Unit:

ASCII

Description:

Sets ASCII code for remote configuration escape character

 

FEATURE NEGOTIATION

Type:

Register

Format:

AT [cmds] S48=n [cmds]

Range:

7, 128

Description:

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

INACTIVITY TIMER

Type:

Register

Format

AT [cmds] S30=n [cmds]

Range:

0-255

Unit:

1 minute

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.

INACTIVITY TIMER

Type:

Register

Format:

AT [cmds] S89=n [cmds]

Range:

0, 5-255

Unit:

1 second

Description:

Sets the length of time that the modem does not receive information before it disconnects; S89=0 will disable.

NO CARRIER TIME-OUT

Type:

Register

Format

AT [cmds] S7=n [cmds]

Range:

1-255

Unit:

1 second

Description:

Maximum wait time the modem uses after dialing to detect a carrier signal from the remote modem for both originating and answering calls.

PAUSE DURATION

Type:

Register

Format

AT [cmds] S8=n [cmds]

Range:

0-65

Unit:

1 second

Description:

Duration of pause per comma (,) command used in a command or dial string

TONE PULSE DURATION

Type:

Register

Format

AT [cmds] S11=n [cmds]

Range:

50-150

Unit:

1 ms

Description:

DTMF tone pulse duration and time between tone pulses for tone dialing operations.

 

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.

V.34 MODULATION

Type:

Register

Format

AT [cmds] S28=n [cmds]

Range:

0-255

Unit:

Decimal

Description:

Enables V.34 modulation

Note: S28=0 disables V.34 modulation.

V32bis STARTUP MODE

Type:

Register

Format

AT [cmds] S43=n [cmds]

Range:

0-1

Unit:

Decimal

Description:

Enables V.32bis start-up auto mode operation

Note: S43=0 disables V.32bis start-up auto mode. For testing purposes only.

V32bis, V.22bis AUTO RATE

Type:

Register

Format

AT [cmds] S42=n [cmds]

Range:

0-1

Unit:

Decimal

Description:

Enables V.32bis and V.22bis auto rate

Note: S42=0 disables V.32bis and V.22bis auto rate. For testing purposes only.