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KEEPINTOUCH PCMCIA MODEM 3765/3766

AT&T PARADYNE

KEEPINTOUCH PCMCIA MODEM 3765/3766

Modem Type

Data (synchronous/asynchronous)/Fax

Maximum Data Rate

28.8Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

PCMCIA Type II

Fax Class

Class I & II

Data Modulation Protocol

Bell 103A/212A

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

AT&T ETC cellular protocol

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

Proprietary AT Command Set

V1402

AUTO-RELIABLE FALLBACK CHARACTER

Type:

Register

Format:

AT [cmds] %An [cmds]

Example:

AT%A20<CR>

Default:

13

Range:

0-127

Unit:

ASCII

Description:

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

AUTO-RETRAIN

Type:

Configuration

Format:

AT S76=n

Example:

AT S76=1 <CR>

Description:

Selects auto-retrain mode for V.32bis.

Command

Function

S76=0

Auto-retrain enabled.

S76=1

Auto-retrain disabled.

S76=2

Auto-retrain enabled; speed defaults to 4800bps.

S76=3

Auto-retrain enabled; speed defaults to 9600bps.

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Example:

AT \K1 <CR>

Description:

Configures action of break signal.

Command

Function

\K0

Buffers cleared and break sent to remote modem, then enter command mode.

\K1

Buffers cleared and break sent to remote modem.

\K2

Send break to remote modem immediately, then enter command mode.

\K3

Send break to remote modem immediately.

\K4

Send break to remote modem with transmitted data, then enter command mode.

\K5

Send break to remote modem with transmitted data.

CELLULAR PHONE TYPE

Type:

Configuration

Format:

AT )Cn

Example:

AT )C1<CR>

Description:

Selects the type of cellular phone that the modem is connected to.

Command

Function

)C0

Motorola phone in use.

)C1

NEC P100 series or AT&T 3610 phone in use.

)C2

OKI 900, 1145, or 1150 or AT&T 3710, 3730, or 3760 phone in use.

COMPRESSION

Type:

Configuration

Format:

AT %Cn

Example:

AT *EC0 %C1 *AP0<CR>

Description:

Selects data compression.

Command

Function

%C0

Data compression disabled.

%C1

Data compression enabled.

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Example:

AT \N1 DT555-1212<CR>

Description:

Sets connect mode.

Command

Function

\N0

Normal mode enabled.

\N1

Direct mode enabled.

\N2

MNP mode only enabled.

\N4

LAP-M mode only enabled.

\N6

LAP-M mode with fallback to MNP enabled.

\N7

LAP-M mode with fallback to MNP and normal modes enabled.

\N8

For 4800bps and above, use \N4. Use \N7 for lower speeds.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Example:

AT \G1 &K3<CR>

Description:

Selects modem port flow control.

Command

Function

\G0

Flow control disabled.

\G1

Flow control enabled.

INACTIVITY TIMER

Type:

Register

Format:

AT [cmds] \Tn [cmds]

Example:

AT\T20<CR>

Default:

Unidentified

Range:

0-255

Unit:

1 minute

Description:

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

LOCK SERIAL PORT

Type:

Configuration

Format:

AT [cmds] S90=n [cmds]

Example:

AT %L3 %B14 S90=0<CR>

Description:

Sets operation of serial port speed.

Command

Function

S90=0

Serial speed locked.

S90=1

Serial speed follows connect speed.

MAXIMUM BLOCK SIZE FOR TRANSMISSION

Type:

Configuration

Format:

AT [cmds] \An [cmds]

Example:

AT \A3 %C1<CR>

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.

\A4

MNP block size is 32 characters.

\A5

MNP block size is 16 characters.

NEGOTIATE PROTOCOL

Type:

Configuration

Format:

AT S78=n

Example:

AT S78=1 <CR>

Description:

Configures whether the modem will attempt to negotiate protocols or if only the protocol selected in %Bn will be used.

Command

Function

S78=0

Negotiation enabled.

S78=1

Negotiation disabled.

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Example:

AT I3 &V1 %V<CR>

Description:

Displays modem properties.

Command

Function

I0

Reports product code.

I1

Reports firmware version in short form.

I2

Reports firmware checksum result.

I19

Reports firmware version in long form.

SWITCHED LINE TRANSMISSION LEVEL

Type:

Configuration

Format:

AT [cmds] &In [cmds]

Example:

AT &I15<CR>

Default:

9

Range:

10 - 25

Unit:

-1 dBm

Description:

Sets the signal level for transmission when in switched line mode.

XON/XOFF PASS-THROUGH

Type:

Configuration

Format:

AT [cmds] \Xn [cmds]

Example:

AT \X7 O<CR>

Description:

Selects whether XON/XOFF signals are sent to remote modem.

Command

Function

\X0

XON/XOFF signals trapped by local modem.

\X1

XON/XOFF passed through local modem.