MAXTECH CORPORATION

XVM144I (CL-MD1414ECT)

Card Type

Fax, Modem (asynchronous), Voice

Chip Set

Cirrus Logic

I/O Options

Speakerphone, Voice-mail

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

8-bit ISA

Fax Class

Class I

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.21CH2, V.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

Line in/out - Unidentified

CN1

Line in/out - Unidentified

CN2

SERIAL PORT ADDRESS

Setting

JP1/A

JP1/B

í COM1 (3F8h)

Closed

Closed

COM2 (2F8h)

Open

Closed

COM3 (3E8h)

Closed

Open

COM4 (2E8h)

Open

Open

INTERRUPT

Setting

JP1/C

JP1/D

JP1/E

JP1/F

2

Closed

Open

Open

Open

3

Open

Closed

Open

Open

í 4

Open

Open

Closed

Open

5

Open

Open

Open

Closed

Proprietary AT Command Set

ACCEPT MNP RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \U [cmds]

Description:

Accept remote modemís request for MNP reliable mode

AUTO-FALLBACK/FALL-FORWARD

Type:

Configuration

Format:

AT [cmds] %Gn [cmds]

Description:

Selects auto-fallback/fall-forward

Command

Function

í %G0

Auto-fallback/fall-forward disabled

%G1

Auto-fallback/fall-forward enabled

AUTO-RELIABLE FALLBACK CHARACTER

Type:

Configuration

Format:

AT [cmds] %An [cmds]

Default:

Unidentified

Range:

0-127

Unit:

ASCII

Description:

Sets the character used as the auto-reliable fallback character; %A0 will disable this function.

AUTO-RELIABLE TIME BUFFER CONFIGURATION

Type:

Configuration

Format:

AT [cmds] \Cn [cmds]

Description:

Controls the handling of incoming data during auto-reliable time period

Command

Function

í \C0

Data is discarded

\C1

Data is buffered

\C2

Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character.

AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Description:

Controls auto-retrain mode

Command

Function

%E0

Auto-retrain disabled

í %E1

Auto-retrain enabled

BIT MAPPED REGISTERS

Register

Default

S14

Unidentified

S21

Unidentified

S22

Unidentified

S23

Unidentified

S27

Unidentified

BREAK SEND

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Default:

3

Range:

1-9

Unit:

.1 second

Description:

Sends break to modem

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Default:

5

Range:

0-5

Description:

Configures action of break signal

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

í %C1

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

Auto-reliable mode enabled

\N4

V.42 reliable mode enabled

CONVERT TO MNP RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \Y [cmds]

Description:

Converts to MNP reliable mode from normal or direct mode

EXTENDED RESULT CODES

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Description:

Selects extended result codes

Command

Function

\V0

Extended result codes disabled

\V1

Extended result codes set 1 enabled

í \V2

Extended result codes set 2 enabled

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Description:

Selects modem port flow control

Command

Function

í \G0

Flow control disabled

\G1

Flow control enabled

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

\Q2

CTS flow control by DCE enabled

í \Q3

Bi-directional RTS/CTS flow control enabled

INACTIVITY TIMER

Type:

Configuration

Format:

AT [cmds] S90=n [cmds]

Default:

0

Range:

0-255

Unit:

1 second

Description:

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

INITIATE MNP RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \O [cmds]

Description:

Initiates MNP reliable mode from normal or direct mode

LOCK SERIAL PORT

Type:

Configuration

Format:

AT [cmds] \Jn [cmds]

Description:

Sets operation of serial port speed

Command

Function

í \J0

Serial speed locked

\J1

Serial speed follows connect speed

MAXIMUM BLOCK SIZE FOR TRANSMISSION

Type:

Configuration

Format:

AT [cmds] \An [cmds]

Description:

Sets the maximum transmittable block size

Command

Function

\A0

MNP block size is 64 characters

\A1

MNP block size is 128 characters

\A2

MNP block size is 192 characters

í \A3

MNP block size is 256 characters

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product identification code

I1

Reports factory ROM ID

I2

Tests internal memory

I3

Reports device ID

I4

Reports internal ID

SWITCH TO NORMAL MODE

Type:

Immediate

Format:

AT [cmds] \Z [cmds]

Description:

Switches to normal mode from MNP mode

TEST MODES

Type:

Register

Format:

AT [cmds] S16=n [cmds]

Default:

Unidentified

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

0

1

Local analog loopback w/ self-test not in progress

Local analog loopback w/ self-test in progress

V.42 - DETECTION PHASE

Type:

Configuration

Format:

AT [cmds] -Jn [cmds]

Description:

Controls V.42 detection

Command

Function

-J0

V.42 detection disabled

í -J1

V.42 detection enabled

V.42bis - COMPRESSION CONTROL

Type:

Configuration

Format:

AT [cmds] "Hn [cmds]

Description:

Controls V.42bis data compression

Command

Function

"H0

V.42bis disabled

"H1

V.42bis when transmitting enabled

"H2

V.42bis when receiving enabled

í "H3

V.42bis when transmitting/receiving enabled

V.42bis - MAXIMUM STRING LENGTH

Type:

Immediate

Format:

AT [cmds] "On [cmds]

Default:

16

Range:

6-250

Unit:

Characters

Description:

Selects string size for V.42bis compression

XON/XOFF PASS-THROUGH

Type:

Configuration

Format:

AT [cmds] \Xn [cmds]

Description:

Selects whether XON/XOFF signals are sent to remote modem

Command

Function

í \X0

XON/XOFF signals trapped by local modem

\X1

XON/XOFF passed through local modem