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DATASTAR MNP

ANGIA COMMUNICATIONS, INC.

DATASTAR MNP

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

Bell 103A/212A

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

V1556

Proprietary AT Command Set

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

Value

Function

0

0

Not used.

1

0

» 1

Command echo disabled.

Command echo enabled.

2

» 0

1

Result codes enabled.

Result codes disabled.

3

0

» 1

Display result codes in numeric format.

Display result codes in verbose format.

4

0

Command recognition enabled.

5

0

» 1

Tone dial enabled.

Pulse dial enabled.

6

0

Not used.

7

0

» 1

Answer mode enabled.

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

Value

Function

0

» 0

Selects RJ-11

2, 1

0

Not used.

4, 3

» 00

01

10

11

DTR signal ignored.

Modem goes to command mode on low DTR.

Modem disconnects on low DTR. Auto-Answer is disabled.

Modem is initialized on low DTR.

5

» 0

1

DCD forced high.

DCD normal.

6

0

Not used.

7

» 0

1

Long Space Disconnect function disabled.

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

Value

Function

1, 0

» 00

01

10

11

Asynchronous mode, serial port speed follows connect speed.

Asynchronous command mode and synchronous connect mode.

Asynchronous command mode and synchronous connect mode, DTR dialing enabled.

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

3, 2

0

Not used.

5, 4

» 00

01

10

11

Internal DCE transmit clock source.

External DTE transmit clock source.

Remote DCE transmit clock source.

Internal DCE transmit clock source.

6

0

» 1

CCITT mode.

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

\K0

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

\K1

Break sent to remote modem and buffered cleared.

\K2

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

\K3

Send break to remote modem immediately.

\K4

Break sent to remote modem and buffered cleared.

» \K5

Send break with transmitted data.

COMPRESSION

Type:

Configuration

Format:

AT [cmd] %Cn [cmd]

Example:

AT %C1 <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

Reliable mode enabled.

» \N3

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.

Command

Function

\V0

Extended result codes disabled.

» \V1

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

» \G0

Flow control disabled.

\G1

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.

Command

Function

\Q0

Flow control disabled.

\Q1

Bidirectional XON/XOFF flow control enabled.

» \Q2

CTS flow control by DCE enabled.

\Q3

Bidirectional CTS/RTS flow control enabled.

\Q4

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.

Command

Function

» \J0

Serial speed locked.

\J1

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

\A0

Maximum MNP block size is 64 characters.

\A1

Maximum MNP block size is 128 characters.

\A2

Maximum MNP block size is 192 characters.

» \A3

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.

Command

Function

» \L0

Stream mode for MNP enabled.

\L1

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

» 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.

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.

Command

Function

» \X0

XON/XOFF signals trapped by local modem.

\X1

XON/XOFF passed through local modem.