LINKSYS

FAXMODEM 14.4/14.4 CARD

Card Type

Fax, Modem (asynchronous)

Chip Set

Unidentified

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

PCMCIA Type II

Fax Class

Class I & II

Data Modulation Protocol

Bell 103/212A

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

Fax Modulation Protocol

ITU-T V.17, V.21CH2, V.27ter, V.29

Error Correction/Compression

MNP5, MNP10, V.42, V.42bis

V1940

Proprietary AT Command Set

ACCEPT MNP RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \U [cmds]

Description:

Accept remote modem’s request for MNP reliable mode

AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Description:

Controls auto-retrain mode

Command

Function

%E0

Auto-retrain disabled

%E1

Auto-retrain enabled

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]

Description:

Configures action of break signal

Command

Function

\K0

Buffers cleared, break sent to DTE

\K1

Buffers cleared, break sent to DTE

\K2

Break sent immediately to DTE

\K3

Break sent immediately to DTE

\K4

Break sent with received data to the DTE

\K5

Break sent with received data to the DTE

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

%C1

Data compression 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

Normal mode enabled

\N2

Reliable mode enabled

\N3

Auto-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

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Description:

Selects modem port flow control

Command

Function

\G0

Flow control disabled

\G1

Flow control enabled

INACTIVITY TIMER

Type:

Configuration

Format:

AT [cmds] \Tn [cmds]

Default:

0

Range:

0-42

Unit:

1 minute

Description:

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

INACTIVITY TIMER

Type:

Register

Format

AT [cmds] S30=n [cmds]

Default:

0

Range:

1-255

Unit:

Unidentified

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.

INITIATE MNP RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \O [cmds]

Description:

Initiates MNP reliable mode from normal or direct mode

LINE SIGNAL LEVEL

Type:

Immediate

Format:

AT [cmds] %L [cmds]

Description:

Returns a value which indicates the received line signal level

LINE SIGNAL QUALITY

Type:

Immediate

Format:

AT [cmds] %Q [cmds]

Description:

Returns a value which indicates line signal quality

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

\A3

MNP block size is 256 characters

MNP - STREAM/BLOCK MODE

Type:

Configuration

Format:

AT [cmds] \Ln [cmds]

Description:

Selects the transfer mode for MNP link

Command

Function

\L0

Stream mode for MNP enabled

\L1

Block mode for MNP enabled

SWITCH TO NORMAL MODE

Type:

Immediate

Format:

AT [cmds] \Z [cmds]

Description:

Switches to normal mode from MNP mode

V.42bis - COMPRESSION CONTROL

Type:

Configuration

Format:

AT [cmds] %Mn [cmds]

Description:

Controls V.42bis data compression

Command

Function

%M0

V.42bis disabled

%M1

V.42bis when transmitting enabled

%M2

V.42bis when receiving enabled

%M3

V.42bis when transmitting/receiving enabled

V.42bis - DICTIONARY SIZE

Type:

Configuration

Format:

AT [cmds] %Dn [cmds]

Description:

Select V.42 dictionary size

Command

Function

%D0

Select 512 bytes

%D1

Select 1024 bytes

%D2

Select 2048 bytes

%D3

Select 4096 bytes

V.42bis - MAXIMUM STRING LENGTH

Type:

Immediate

Format:

AT [cmds] %Sn [cmds]

Default:

32

Range:

6-250

Unit:

Characters

Description:

Selects string size for V.42bis compression

V.42bis - RESET ENCODER DICTIONARY

Type:

Immediate

Format:

AT [cmds] %P [cmds]

Description:

Resets the V.42bis encoder dictionary on the local modem and send a command code for the remote modem to reset the encoder dictionary

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