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MAXTECH CORPORATION

XVM 144E (CL-MD1414ECT)

Card Type

Modem (asynchronous), fax

Chip Set

Unidentified

Maximum Modem Rate

14.4Kbps

Maximum Fax Rate

Unidentified

Data Modulation Protocol

Bell 103/212A

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

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

DC power

CN1

Line out

CN4

Serial port

CN2

Power switch

SW1

Line in

CN3

   

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

AA

Unidentified

On

Auto-answer enabled

AA

Unidentified

Off

Auto-answer disabled

RD

Unidentified

On

Modem is receiving data

RD

Unidentified

Off

Modem is not receiving data

SD

Unidentified

On

Modem is transmitting data

SD

Unidentified

Off

Modem is not transmitting data

CD

Unidentified

On

Carrier signal detected

CD

Unidentified

Off

Carrier signal not detected

OH

Unidentified

On

Modem is off-hook

OH

Unidentified

Off

Modem is on-hook

HS

Unidentified

On

Modem is operating at 4800bps or faster

HS

Unidentified

Off

Modem is operating at slower than 4800bps

TR

Unidentified

On

DTR signal is high

TR

Unidentified

Off

DTR signal is low

TST

Unidentified

On

Modem is in test mode

TST

Unidentified

Off

Modem is not in test mode

MR

Unidentified

On

Power is on

MR

Unidentified

Off

Power is off

Note: The location and configuration of the diagnostic LEDs is unidentified

 

 

 

 

 

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, A/

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

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

Extended AT Commands

\A, \B, \C, \G, \J, \O, \U, \X, \Y, \Z

%A, "H, -J

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S25, S26,

S27, S30, S37, S90, S108, S109

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

Connect only at DTE rate

í N1

Automatic rate negotiation

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Mn [cmds]

Description:

Selects communications mode

Command

Mode

í &M0

Asynchronous mode

CONFIGURATION PROFILES

Type:

Immediate

Format:

AT [cmds] &V [cmds]

Description:

Displays active and stored configuration profiles

Command

Function

&V0

Displays active and stores profile 0

&V1

Displays active and stored profile 1

DATA SET READY (DSR)

Type:

Configuration

Format:

AT [cmds] &Sn [cmds]

Description:

Selects DSR options

Command

Function

í &S0

DSR forced high

&S1

DSR is off in command mode, on in on-line mode

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

Command

Function

í &D0

Modem does not respond to DTR

&D1

Modem goes to command mode after DTR goes is off

&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

DP

Pulse dialing enabled

DR

Originate calls in answer mode

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 Quite 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.

PULSE DIALING RATIO

Type:

Configuration

Format:

AT [cmds] &Pn [cmds]

Description:

Selects pulse dial make/break ratio

Command

Function

í &P0

39/61ms at 10pps (North America)

&P1

33/67ms at 10pps (Europe)

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports modem model and speed

I1

Reports ROM checksum

I2

Reports internal memory test

I3

Reports device ID

I4

Reports internal ID

SPEAKER VOLUME

Type:

Configuration

Format:

AT [cmds] Ln [cmds]

Description:

Controls speaker volume

Command

Function

L0

Low volume setting

L1

Low volume setting

í L2

Medium volume setting

L3

Highest volume setting

TRELLIS CODING

Type:

Configuration

Format:

AT [cmds] &Un [cmds]

Description:

Controls trellis coding

Command

Function

&U0

Trellis coding enabled

&U1

Trellis coding disabled

Extended AT Command Set

AUTO FALL FORWARD/BACK

Type:

Configuration

Format:

AT [cmds] %Gn [cmds]

Description:

Controls the auto fall forward/back

Command

Function

%G0

Enable auto fall forward/back

%G1

Disable auto fall forward/back

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Description:

Controls the type of connection the modem will operate in

Command

Function

\N0

Normal data-link only

\N1

Direct data-link only

\N2

MNP data-link only

\N3

V.42/MNP/Normal data-link only

\N4

V.42 data-link only

EXTENDED RESULT CODES

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Description:

Selects extended result codes

Command

Function

\V0

Do not send extended responses

\V1

Send extended response set 1

\V2

Send extended response set 2

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

Bidirectional XON/XOFF flow control enabled

\Q2

CTS flow control by DCE enabled

\Q3

Bidirectional RTS/CTS flow control enabled

INACTIVITY TIMER

Type:

Configuration

Format:

AT [cmds] \Tn [cmds]

Default:

0

Range:

0-9

Unit:

1 second

Description:

Sets the length of time that the modem does not receive information before it disconnects.

MNP CLASS 5 DATA COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Controls the MNP class 5 data compression

Command

Function

%C0

Disable MNP class 5 data compression

%C1

Enable MNP class 5 data compression

V.22bis AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Description:

Controls the V.22bis auto-retrain

Command

Function

%E0

V.22bis auto-retrain disabled

%E1

V.22bis auto-retrain enabled

V.42bis DATA BLOCK

Type:

Configuration

Format:

AT [cmds] "On [cmds]

Default:

16

Range:

6-250

Description:

Set maximum V.42bis data block size to n. Default is 16 (n=6-250)

STANDARD AT# VOICE COMMAND SET

BEEP TONE

Type:

Immediate

Format:

AT [cmds] #VBP [cmds]

Description:

Generate beep tone

VOICE MODE

Type:

Immediate

Format:

AT [cmds] #VCL=n [cmds]

Description:

Voice mode selection. Default is 0

COMMAND MODE SILENCE

Type:

Immediate

Format:

AT [cmds] #VSCD=n [cmds]

Description:

Command mode silence detection. Default is 0

INPUT PIN SELECTION

Format:

AT [cmds] #VGPS=n [cmds]

Default:

Unidentified

Range:

0 - 7

Description:

Input pin function selection. Default is 0

INPUT PIN CHARACTER

Type:

Configuration

Format:

AT [cmds] #VGPC=n [cmds]

Description:

Input pin character selection. Default is 0

INPUT PINS

Type:

Configuration

Format:

AT [cmds] #VIN

Description:

Read general purpose input pins

INITIALIZE PARAMETER

Type:

Immediate

Format:

AT [cmds] #VIP=n [cmds]

Description:

Initialize parameter. Default is 0

RELAY/SPEAKER CONTROL

Type:

Configuration

Format:

AT [cmds] #VLN=n [cmds]

Description:

Relay/speaker control. Default is 0

OUTPUT PINS

Format:

AT [cmds] #VOUT=n [cmds]

Description:

Write to output pins. Default is 0

TELEPHONE EMULATION

Type:

Immediate

Format:

AT [cmds] #VPH

Description:

Telephone emulation mode

PLAY LEVEL

Type:

Immediate

Format:

AT [cmds] #VPL=n

Description:

Play level. Default is 0

PLAY MODE

Format:

AT [cmds] #VPY

Description:

Play mode

RECORD MODE

Format

AT [cmds] #VRD

Description:

Record mode

RECORD LEVEL

Type:

Configuration

Format:

AT [cmds] #VRL=n [cmds]

Default:

127

Description:

Sets the recording level

RECORDING SILENCE THRESHOLD

Type:

Configuration

Format:

AT [cmds] #VSL=n [cmds]

Default:

127

Description:

Sets the recording silence threshold level

SAMPLING MODE

Type:

Immediate

Format:

AT [cmds] #VSM=n [cmds]

Default:

CL1

Description:

Sets the sampling mode

RECORD "Q" SILENCE TIME

Type:

Immediate

Format:

AT [cmds] #VSQT=n [cmds]

Default:

60

Description:

Record "q" silence time.

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.

RECORD "s" SILENCE TIME

Type:

Configuration

Format:

AT [cmds] #VSST=n [cmds]

Default:

60

Description:

Record the "s" silence time