PURE DATA, LTD.

PDMCIA-V.32BIS

Modem Type

Data (synchronous/asynchronous)/Fax

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

9600bps

Data Bus

PCMCIA

Fax Class

Class I

Data Modulation Protocol

Bell 103A/212A

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

Fax Modulation Protocol

ITU-T V.21CH.2, V.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

V1550

Proprietary AT Command Set

AUTO-RELIABLE FALLBACK CHARACTER

Type:

Configuration

Format:

AT [cmds] %An [cmds]

Example:

AT%A20<CR>

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] &On [cmds]

Example:

AT &O1 &Q4<CR>

Description:

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

Command

Function

&O0

Data is discarded.

&O1

Data is buffered.

AUTO-RELIABLE TIME BUFFER CONFIGURATION

Type:

Configuration

Format:

AT [cmds] \Cn [cmds]

Example:

AT \C1 \B<CR>

Description:

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

Command

Function

\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]

Example:

AT &E0 H1<CR>

Description:

Selects auto-retrain mode.

Command

Function

&E0

Auto-retrain disabled.

&E1

Auto-retrain enabled.

AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmd] %En [cmd]

Example:

AT %E1 <CR>

Description:

Selects auto-retrain mode.

Command

Function

%E0

Auto-retrain disabled.

%E1

Auto-retrain enabled.

BIT-MAPPED REGISTER S14

Format

AT [cmds] S14? [cmds]

Example:

ATS14?<CR>

Default:

Read only

Range:

0-255

Unit:

Bit-mapped

Description:

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

Bit

Value

Meaning

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

1

Dumb mode disabled.

Dumb mode 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? [cmds]

Example:

ATS21?<CR>

Default:

Read only

Range:

0 - 255

Unit:

Bit-mapped

Description:

Reports jack type, CTS signal, low DTR action, DCD signal, DSR signal, and the Long Space Disconnect function.

Bit

Value

Meaning

0

0

1

Selects RJ-11, RJ-41S, or RJ45S jack.

Selects RJ-12 or RJ-13 jack.

1

0

Not used.

2

0

1

CTS follows RTS.

CTS forced high.

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

1

DSR forced high.

DSR normal.

7

0

1

Long Space Disconnect function disabled.

Long Space Disconnect function enabled.

BIT-MAPPED REGISTER S22

Format

AT [cmds] S22? [cmds]

Example:

ATS22?<CR>

Default:

Read only

Range:

0-255

Unit:

Bit-mapped

Description:

Reports speaker volume and controls, limits results codes and make-break ratio.

Bit

Value

Meaning

1, 0

00

01

10

11

Off volume.

On volume.

Medium level volume.

High level volume.

3, 2

00

01

10

11

Speaker off.

Speaker off on carrier.

Speaker always on.

Speaker on during handshake.

6, 5, 4

000

001

010

011

100

Basic result codes only enabled.

Basic and connection speed result codes enabled.

Basic and connection speed result codes and dialtone detection enabled.

All result codes except dialtone detection enabled.

All result codes enabled.

7

0

1

Pulse dial make-break 39%/61%.

Pulse dial make-break 33%/67%.

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23? [cmds]

Example:

ATS23?<CR>

Default:

Read only

Range:

0-255

Unit:

Bit-mapped

Description:

Reports remote digital loopback, DTE rate and parity, and guard tone.

Bit

Value

Meaning

0

0

1

Remote digital loopback denied.

Remote digital loopback allowed.

3, 2, 1

000

001

010

011

100

101

110

111

Sets serial port speed to 0-300bps.

Sets serial port speed to 1200bps.

Sets serial port speed to 2400bps.

Sets serial port speed to 4800bps.

Sets serial port speed to 7200bps.

Sets serial port speed to 9600bps.

Sets serial port speed to 12000bps.

Sets serial port speed to 14400bps.

5, 4

00

01

10

11

Parity even.

Not used.

Parity odd.

No Parity.

7, 6

00

01

10

Guard tone disabled.

Guard tone 550Hz enabled.

Guard tone 1800Hz enabled.

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

Break from DTE

Modem receives \B

Break received from remote modem

\K0

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

Break sent to remote modem and buffered cleared.

Buffers cleared, break sent to DTE.

\K1

Break sent to remote modem and buffered cleared.

Break sent to remote modem and buffered cleared.

Buffers cleared, break sent to DTE.

\K2

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

Send break to remote modem immediately.

Break sent immediately to DTE.

\K3

Send break to remote modem immediately.

Send break to remote modem immediately.

Break sent immediately to DTE.

\K4

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

Send break with transmitted data.

Break sent with received data to the DTE.

\K5

Send break with transmitted data.

Send break with transmitted data.

Break sent with received data to the DTE.

COMPRESSION

Type:

Configuration

Format:

AT [cmds] &Un [cmds]

Example:

AT %E &U1 \K<CR>

Description:

Selects data compression.

Command

Function

&U0

Data compression disabled.

&U1

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

Normal mode enabled.

\N2

Reliable mode enabled, MNP only.

\N3

Auto-reliable mode enabled, MNP with fallback to Normal mode.

\N4

Reliable mode enabled, LAPM only.

\N5

Auto-reliable mode enabled, LAPM with fallback to Normal mode.

\N6

Reliable mode enabled, LAPM with fallback to MNP mode.

\N7

Auto-reliable mode enabled, LAPM with fallback to MNP then to Normal mode.

CONNECTION SPEED LOWER LIMIT

Type:

Configuration

Format:

AT [cmds] %Mn [cmds]

Example:

AT %M300 \JO<CR>

Description:

Sets slowest allowed connection speed.

Command

Function

%M300

Select 300bps minimum speed.

%M1200

Select 1200bps minimum speed.

%M2400

Select 2400bps minimum speed.

%M4800

Select 4800bps minimum speed.

%M7200

Select 7200bps minimum speed.

%M9600

Select 9600bps minimum speed.

%M12000

Select 12Kbps minimum speed.

%M14400

Select 14.4Kbps minimum speed.

CONNECTION SPEED UPPER LIMIT

Type:

Configuration

Format:

AT [cmds] %Bn [cmds]

Example:

AT %M1200 %B9600 \J1<CR>

Description:

Sets fastest allowed connection speed.

Command

Function

%B300

Select 300bps maximum speed.

%B1200

Select 1200bps maximum speed.

%B2400

Select 2400bps maximum speed.

%B4800

Select 4800bps maximum speed.

%B7200

Select 7200bps maximum speed.

%B9600

Select 9600bps maximum speed.

%B12000

Select 12Kbps maximum speed.

%B14400

Select 14.4Kbps maximum speed with V.32bis option.

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 requested, V.42bis in LAPM, MNP5 in MNP.

%C2

Data compression requested, V.42bis in LAPM, MNP5 in MNP.

%C3

Data compression requested, V.42bis in LAPM, MNP5 in MNP.

ECHO DATA

Type:

Configuration

Format:

AT [cmds] \En [cmds]

\Example:

AT \E0 <CR>

Description:

Enables modem to echo received data.

Command

Function

\E0

Data echo disabled.

\E1

Data echo enabled.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Example:

AT \G1 <CR>

Description:

Selects modem port flow control.

Command

Function

\G0

Flow control disabled.

\G1

Flow control enabled.

FLOW CONTROL - ENQ/ACK

Type:

Configuration

Format:

AT [cmds] \Hn [cmds]

Example:

AT \H9 <CR>

Description:

Selects ENQ/ACK pacing.

Command

Function

\H0

Disables ENQ/ACK pacing.

\H1

Enables ENQ/ACK pacing in terminal mode.

\H2

Enables ENQ/ACK pacing in host mode.

FLOW CONTROL TYPE

Type:

Configuration

Format:

AT [cmds] \Qn [cmds]

Example:

AT \Q0 A <CR>

Description:

Sets type of flow control used by modem.

Command

Function

\Q0

Flow control disabled.

\Q1

Bidirectional XON/XOFF flow control enabled.

\Q2

Unidirectional CTS flow control to DTE enabled.

\Q3

Bidirectional RTS/CTS flow control enabled.

\Q4

Unidirectional XON/XOFF flow control enabled.

\Q5

Unidirectional CTS flow control to DTE, CTS off until CONNECT enabled.

\Q6

Bidirectional RTS/CTS flow control, CTS off until CONNECT 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 \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 %B1200<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.

NUMERIC RESULT CODES

Type:

Configuration

Format:

AT [cmds] &Nn [cmds]

Example:

AT &N0 &E<CR>

Description:

Selects the type of numeric result codes.

Command

Function

&N0

Hayes numeric result codes enabled.

&N1

Microcom numeric result codes enabled.

REPORT FIRMWARE VERSION

Type:

Immediate

Format:

AT [cmds] %V [cmds]

Example:

AT %V <CR>

Description:

Displays firmware version.

REPORT PROTOCOL

Type:

Register

Format:

AT [cmds] S27? [cmds]

Example:

AT S27? <CR>

Description:

Reports ITU-T/Bell modes.

Value

Meaning

0

CCITT mode.

64

Bell mode.

RESULT CODES

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Example:

AT \V1 W0<CR>

Description:

Selects the type of result code format.

Command

Function

\V0

/REL connect codes not displayed, unless W1 is set.

\V1

/REL connect codes are displayed, unless W1 is set.

\V2

-LAPM, -MNP, /REL connect codes are displayed.

TEST MODES

Format

AT [cmds] S16? [cmds]

Example:

ATS16?<CR>

Default:

Read only

Range:

0-255

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.42bis MAXIMUM STRING LENGTH

Type:

Register

Format:

AT [cmds] S214=n [cmds]

Example:

AT S214=250 <CR>

Default:

250

Range:

6 - 250

Unit:

Unidentified

Description:

Selects string size for V.42bis compression.

XON/XOFF PASS-THROUGH

Type:

Configuration

Format:

AT [cmds] \Xn [cmds]

Example:

AT \X1 <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.

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