MULTI-TECH SYSTEMS, INC.

MT5634ZDXV

Card Type

Modem (asynchronous)

Chipset

Unidentified

I/O Options

Voice, speakerphone

Maximum Data Rate

56Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation

Bell 103J, 113, 212A

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

AT&T V.32terbo

Rockwell K56flex

Fax Modulation

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

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I & II

Data Bus

Serial

CONNECTIONS

Function

Label

Function

Label

Telephone line out

CN1

Serial port

CN3

Telephone line in

CN2

DC power in

CN4

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

TD

Unidentified

On

Modem is transmitting data

TD

Unidentified

Off

Modem is not transmitting data

RD

Unidentified

On

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 with the K56flex protocol

56

Unidentified

Off

Modem not connected with the K56flex protocol

28

Unidentified

On

Modem connected with the V.34 protocol

28

Unidentified

Off

Modem not connected with the V.34 protocol

14

Unidentified

On

Modem connected with the V.32bis protocol

14

Unidentified

Off

Modem not connected with the V.32bis protocol

DIAGNOSTIC LED(S) (CON'T)

LED

Color

Status

Condition

OH

Unidentified

On

Modem is off-hook

OH

Unidentified

Off

Modem is on-hook

TR

Unidentified

On

DTR signal is high

TR

Unidentified

Off

DTR signal is low

EC

Unidentified

On

Error correction enabled

EC

Unidentified

Blinking

Error correction activated

EC

Unidentified

Off

Error correction disabled

FX

Unidentified

On

Modem is connected in FAX mode

FX

Unidentified

Off

Modem is not connected in FAX mode

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, E, H, L, M, N, O, Q, V, Z

&C, &D, &F, &G, &K, &Q, &S, &T, &V, &W, &Z

Extended AT Commands

\G, \J, \N, \Q, \V, \X

%C

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S10, S11, S30, S36, S48

Note: See MHI help file for complete information.

IS-101 COMMANDS

Note: The functions of the IS-101 commands are 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.

DV

Dial the number specified in speakerphone mode.

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$

Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command.

D^

Calling tone disabled for this call.

D;

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

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.

DISPLAY INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested about the modem.

Command

Function

I0

Displays default speed and firmware revision.

I1

Displays ROM checksum.

I2

Tests and displays ROM checksum result.

I3

Displays default speed and firmware revision.

I4

Displays data pump version.

I9

Displays country code.

MAXIMUM LINE SPEED

Type:

Register

Format:

AT [cmds] S37=n [cmds]

Description:

Sets the maximum speed the modem will attempt to connect at.

Command

Function

í S37=0

No maximum speed.

S37=2

Maximum connect speed set to 1200/75bps.

S37=3

Maximum connect speed set to 300bps.

S37=5

Maximum connect speed set to 1200bps.

S37=6

Maximum connect speed set to 2400bps.

S37=7

Maximum connect speed set to 4800bps.

S37=8

Maximum connect speed set to 7200bps.

S37=9

Maximum connect speed set to 9600bps.

S37=10

Maximum connect speed set to 12Kbps.

S37=11

Maximum connect speed set to 14.4Kbps.

S37=12

Maximum connect speed set to 16.8Kbps.

S37=13

Maximum connect speed set to 19.2Kbps.

S37=14

Maximum connect speed set to 21.6Kbps.

S37=15

Maximum connect speed set to 24Kbps.

S37=16

Maximum connect speed set to 26.4Kbps.

S37=17

Maximum connect speed set to 28.8Kbps.

S37=18

Maximum connect speed set to 31.2Kbps.

S37=19

Maximum connect speed set to 33.6Kbps.

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.

PROTOCOL/SPEED

Type:

Configuration

Format:

AT [cmds] Bn [cmds]

Description:

Selects the communication protocol the modem will use.

Command

Protocol

B0

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

B1

Modem will use Bell 212A at 1200bps.

B2

Modem will use ITU-T V.23 at 1200/75bps.

B3

Modem will use ITU-T V.23 at 75/1200bps.

B15

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

B16

Modem will use Bell 103J at 300bps.

RETRAIN MODE

Type:

Register

Format:

AT [cmds] S42=n [cmds]

Description:

Selects whether the modem is allowed to perform retrains and fall-forward/fallback sequences.

Command

Function

S42=0

Retrain and fall-forward/fallback sequences disabled.

í S42=1

Retrain and fall-forward/fallback sequences enabled.

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 only 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 enabled; extended result codes enabled.

X5

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

X6

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

X7

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

STANDBY TIMER

Type:

Register

Format

AT [cmds] S89=n [cmds]

Default:

10

Range:

0, 5 - 255

Unit:

1 second

Description:

Maximum duration of command mode inactivity allowed prior to the modem entering standby mode. A value of 0 disables this feature, and values of 1 through 4 set S89=5.

V.25 CALLING TONE

Type:

Configuration

Format:

AT [cmds] -Cn [cmds]

Description:

Selects whether the modem will transmit a V.25 calling tone.

Command

Function

í -C0

V.25 calling tone disabled.

-C1

V.25 calling tone enabled.

V.25 CALLING TONE

Type:

Register

Format:

AT [cmds] S35=n [cmds]

Description:

Selects whether the modem will transmit a V.25 calling tone.

Command

Function

í S35=0

V.25 calling tone disabled.

S35=1

V.25 calling tone enabled.

V.32bis TRAIN MODE

Type:

Register

Format:

AT [cmds] S43=n [cmds]

Description:

Selects whether the modem will perform a rate training sequence after connecting to the remote modem in V.32bis mode.

Command

Function

S43=0

Rate training sequence enabled.

í S43=1

Rate training sequence disabled.

V.34 MODE

Type:

Register

Format:

AT [cmds] S28=n [cmds]

Description:

Selects whether the modem will attempt to connect with the V.34 modulation.

Note:

All values greater than 1 are equivalent to S28=1.

Command

Function

S28=0

V.34 modulation disabled.

í S28=1

V.34 modulation enabled.

VOICE LOOPBACK

Type:

Immediate

Format:

AT [cmds] &&S [cmds]

Description:

Begins a loopback test for the microphone and speaker.