IPTools.net.ua

Modem Type

Data (synchronous/asynchronous)/Fax

Maximum Data Rate

2400bps

Maximum Fax Rate

9600bps

Data Bus

PCMCIA TYPE II

Fax Class

Class I & II

Data Modulation Protocol

ITU-T V.22, V.22bis

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

ACCEPT RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \U

Example:

AT \U<CR>

Description:

Accepts remote modem�s request for reliable link.

BIT-MAPPED REGISTER S14

Format

AT [cmds] S14=n [cmds]

Example:

ATS14=170<CR>

Default:

170

Range:

0-174

Unit:

Bit-mapped

Description:

Controls echo, result codes, result code display, dial mode, and answer/originate mode.

Bit

Function

0

Not used.

1

Command echo enabled.

2

Result codes disabled.

3

Display result codes in verbose format.

4

Command recognition enabled.

5

Pulse dial enabled.

6

Not used.

7

Originate mode enabled.

BIT-MAPPED REGISTER S21

Format

AT [cmds] S21=n [cmds]

Example:

ATS21=0<CR>

Default:

0

Range:

0 - 184

Unit:

Bit-mapped

Description:

Selects jack type, low DTR action, DCD signal, and the Long Space Disconnect function.

Bit

Function

0

Selects RJ-11

2, 1

Not used.

4, 3

Modem is initialized on low DTR.

5

DCD normal.

6

Not used.

7

Long Space Disconnect function enabled.

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Example:

AT S27=64 <CR>

Default:

64

Range:

0 - 115

Unit:

Bit-mapped

Description:

Selects sync/async mode, Line type, internal clock, and ITU-T/Bell modes.

Bit

Function

1, 0

Asynchronous command mode on low DTR, synchronous connect mode on high DTR.

3, 2

Not used.

5, 4

Internal DCE transmit clock source.

6

Bell mode.

BREAK SEND

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Example:

AT \B3 &W<CR>

Default:

3

Range:

1-9

Unit:

.1 second

Description:

Sends break to modem.

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Example:

AT \K1 <CR>

Description:

Configures action of break signal.

Command

Function

Online command mode enabled, send no break to remote modem.

Break sent to remote modem and buffered cleared.

Online command mode enabled, send no break to remote modem.

Send break to remote modem immediately.

Break sent to remote modem and buffered cleared.

Send break with transmitted data.

COMPRESSION

Type:

Configuration

Format:

AT [cmd] %Cn [cmd]

Example:

AT %C1 <CR>

Description:

Selects data compression.

Function

Data compression disabled.

Data compression enabled.

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Example:

AT \N1 DT555-1212<CR>

Description:

Sets connect mode.

Function

Normal mode enabled.

Direct mode enabled.

Reliable mode enabled.

Auto-reliable mode enabled.

CONVERT TO RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \Y [cmds]

Example:

AT \Y<CR>

Description:

Initiates reliable mode link.

DISPLAY CURRENT COMMAND STATUS

Type:

Immediate

Format:

AT [cmds] \S [cmds]

Example:

AT &Z2=9W1-303-555-1212 \S<CR>

Description:

Displays current setting of modem commands.

EXTENDED RESULT CODES

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Example:

AT \V1 %C1<CR>

Description:

Selects extended result codes.

Function

Extended result codes disabled.

Extended result codes enabled.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Example:

AT \G1 &K3<CR>

Description:

Selects modem port flow control.

Command

Function

Flow control disabled.

Flow control enabled.

FLOW CONTROL TYPE

Type:

Configuration

Format:

AT [cmds] \Qn [cmds]

Example:

AT \Q3<CR>

Description:

Sets type of flow control used by modem.

Function

Flow control disabled.

Bidirectional XON/XOFF flow control enabled.

CTS flow control by DCE enabled.

Bidirectional CTS/RTS flow control enabled.

XON/XOFF flow control by DCE enabled.

INACTIVITY TIMER

Type:

Configuration

Format:

AT [cmds] \Tn [cmds]

Example:

AT\T20<CR>

Default:

0

Range:

0-90

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] \Jn [cmds]

Example:

AT %L3 %B14 \J0<CR>

Description:

Sets operation of serial port speed.

Function

Serial speed locked.

Serial speed follows connect speed.

MAXIMUM BLOCK SIZE FOR TRANSMISSION

Type:

Configuration

Format:

AT [cmds] \An [cmds]

Example:

AT \A3 \N1<CR>

Description:

Sets the maximum transmittable block size.

Command

Function

Maximum MNP block size is 64 characters.

Maximum MNP block size is 128 characters.

Maximum MNP block size is 192 characters.

Maximum MNP block size is 256 characters.

MNP STREAM/BLOCK MODE

Type:

Configuration

Format:

AT [cmds] \Ln [cmds]

Example:

AT \L1 DT555-1212<CR>

Description:

Selects the transfer mode for MNP.

Function

Stream mode for MNP enabled.

Block mode for MNP enabled.

ON-LINE IN RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \O

Example:

AT \O <CR>

Description:

Returns to on-line and requests reliable mode connection.

SWITCH TO MNP MODE

Type:

Immediate

Format:

AT [cmds] \Z [cmds]

Example:

AT \Z &W<CR>

Description:

Switches to normal mode from MNP mode.

TEST MODES

Format

AT [cmds] S16=n [cmds]

Example:

ATS16=40<CR>

Default:

0

Range:

0-125

Unit:

Bit-mapped

Description:

Controls loopback tests, analog, digital, remote digital, and self tests.

Bit

Value

Function

0

Local analog loopback in progress.

1

Not used.

2

Local digital loopback in progress.

3

Remote digital loopback in progress.

4

Remote digital loopback requested.

5

Remote digital loopback w/ self-test in progress.

6

Local analog loopback w/ self-test in progress.

XON/XOFF PASS-THROUGH

Type:

Configuration

Format:

AT [cmds] \Xn [cmds]

Example:

AT \X0 \U <CR>

Description:

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

Function

XON/XOFF signals trapped by local modem.

XON/XOFF passed through local modem.