LOGICODE TECHNOLOGY, INC.

14V14PCMCIA

Modem Type

Data (synchronous/asynchronous)/Fax/Voice

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

PCMCIA

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

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

V1275

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.

ACCEPT RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \Un

Example:

AT \U<CR>

Description:

Accepts remote modem’s request for reliable link.

AUTO-RELIABLE TIME BUFFER CONFIGURATION

Type:

Configuration

Format:

AT [cmds] \Cn [cmds]

Example:

AT \C1 &W<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 %En

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=n [cmds]

Example:

ATS14=40<CR>

Default:

Read only

Range:

0 - 174

Unit:

Bit-mapped

Description:

Stores AT command settings.

Bit

Value

Function

0

0

Not used.

1

0

1

Echo function disabled.

Echo function enabled.

2

0

1

Result code sending enabled.

Result code sending disabled.

3

0

1

Numeric format enabled.

Verbose format enabled.

4

0

Not used.

5

0

1

Tone dialing enabled.

Pulse dialing 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=4<CR>

Default:

0

Range:

0 - 253

Unit:

Bit-mapped

Description:

Selects jack type, CTS signal, low DTR action, DCD signal, DSR signal, and startup profile.

Bit

Value

Function

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

Profile 0 selected at power-up.

Profile 1 selected at power-up.

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23=n [cmds]

Example:

ATS23=177<CR>

Default:

177

Range:

0-255

Unit:

Bit-mapped

Description:

Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone.

Bit

Value

Function

0

0

» 1

Remote digital loopback denied.

Remote digital loopback allowed.

3, 2, 1

000

001

010

011

100

101

110

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 19200bps.

5,4

00

01

10

» 11

Even parity.

Space parity.

Odd parity.

Mark or no parity.

7, 6

00

01

» 10

Guard tone disabled.

Guard tone disabled.

Guard tone 1800Hz enabled.

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Example:

ATS27=9<CR>

Default:

9

Range:

0 - 127

Unit:

Bit-mapped

Description:

Displays sync/async mode, line type, internal clock, and ITU-T/Bell modes.

Bit

Value

Function

3, 1, 0

000

001

» 101

110

Asynchronous mode, serial port speed follows connect speed.

Asynchronous off-line command mode and synchronous connect mode.

Error-correcting mode.

Asynchronous mode, serial port speed locked.

2

» 0

1

Dial up line.

Leased line.

5, 4

» 00

01

10

Internal DTE transmit clock source.

External DTE transmit clock source.

Slave DTE transmit clock source.

6

» 0

1

CCITT mode.

Bell mode.

BREAK SEND

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Example:

AT \B3 &W<CR>

Range:

0-9

Unit:

1ms

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

Reliable/Normal mode

Break from DTE

Direct mode

Modem receives \B

Break from remote modem

\K0

Enter command mode, do not send break to remote modem.

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

Buffers cleared and break sent to remote modem.

Buffers cleared and break sent to DTE.

\K1

Buffers cleared and break sent to remote modem.

Send break to remote modem immediately.

Buffers cleared and break sent to remote modem.

Buffers cleared and break sent to DTE.

\K2

Enter command mode, do not send break to remote modem.

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

Send break to remote modem immediately.

Send break to DTE immediately.

\K3

Send break to remote modem immediately.

Send break to remote modem immediately.

Send break to remote modem immediately.

Send break to DTE immediately.

\K4

Enter command mode, do not send break to remote modem.

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

Send break to remote modem with transmitted data.

Break sent with received data to the DTE.

» \K5

Send break with transmitted data.

Send break to remote modem immediately.

Send break to remote modem with transmitted data.

Break sent with received data to the DTE.

BUFFER VOICE/FAX

Type:

Configuration

Format:

AT [cmds] Kn [cmds]

Example:

AT K0 &W<CR>

Description:

Use SRAM for fax and voice mode buffering.

Command

Function

K0

SRAM buffer disabled.

K1

SRAM buffer enabled.

CALLING TONE

Type:

Configuration

Format:

AT [cmds] -Cn [cmds]

Example:

AT -C1 DT555-1212<CR>

Description:

Controls the transmission of the calling tone while dialing.

Command

Function

-C0

Calling tone disabled.

-C1

Calling tone enabled.

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

\N1

Normal mode.

\N0

Direct mode.

\N2

MNP reliable mode.

» \N3

V.42 auto-reliable mode.

\N4

V.42 reliable mode.

EXTENDED RESULT CODE FORMAT

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Example:

AT \V0 Q0<CR>

Description:

Selects extended result codes.

Command

Function

\V0

Extended result codes disabled.

» \V1

MNP result codes enabled.

\V2

V.42 result codes enabled.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Example:

AT G1 &M0<CR>

Description:

Selects modem port flow control.

Command

Function

» \G0

Flow control disabled.

\G1

Flow control enabled.

XON/XOFF PASS-THROUGH

Type:

Configuration

Format:

AT [cmds] \Xn [cmds]

Example:

AT \X0 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.

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

Software flow control enabled.

\Q2

Unidirectional flow control enabled.

» \Q3

Bidirectional flow control enabled.

INACTIVITY TIMER

Type:

Register

Format:

AT [cmds] \Tn [cmds]

Example:

AT\T20<CR>

Default:

0

Range:

0-90

Unit:

1 second

Description:

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

INACTIVITY TIMER

Type:

Register

Format:

AT [cmds] S90=n [cmds]

Example:

ATS90=20<CR>

Default:

0

Range:

0-255

Unit:

1 minute

Description:

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

PROTOCOL/SPEED

Format

AT [cmds] S109=n [cmds]

Example:

ATS109=62<CR>

Default:

62

Range:

0 - 62

Unit:

Bit-mapped

Description:

Selects the available speeds.

Bit

Value

Function

0

0

Not used.

1

0

» 1

4800bps disabled.

4800bps enabled.

2

0

» 1

7200bps disabled.

7200bps enabled.

3

0

» 1

9600bps disabled.

9600bps enabled.

4

0

» 1

12Kbps disabled.

12Kbps enabled.

5

0

» 1

14.4Kbps disabled.

14.4Kbps enabled.

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.

LOOPBACK TESTS

Format

AT [cmds] S16=n [cmds]

Example:

ATS16=32<CR>

Default:

0

Range:

0 - 255

Unit:

Bit-mapped

Description:

Enables loopback tests.

Note:

Bit 3 is read-only.

Bit

Value

Function

0

» 0

1

Local analog loopback test disabled.

Local analog loopback test enabled.

1

0

Not used.

2

» 0

1

Local digital loopback test disabled.

Local digital loopback test enabled.

3

» 0

1

Modem is not performing remote digital loopback test.

Modem is performing remote digital loopback test.

4

» 0

1

Remote digital loopback test disabled.

Remote digital loopback test enabled.

5

» 0

1

Remote digital loopback with local self-test disabled.

Remote digital loopback with local self-test enabled.

6

» 0

1

Local analog loopback with local self-test disabled.

Local analog loopback with local self-test enabled.

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.

RETURN TO RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \Z [cmds]

Example:

AT \Z <CR>

Description:

Ends reliable mode link, initiate return to normal mode.

PROTOCOL/SPEED

Type:

Configuration

Format:

AT [cmds] Fn [cmds]

Example:

AT F0 A<CR>

Description:

Selects the current protocol and speed.

Command

Function

F0

Auto-select fastest common protocol.

F1

Select V.21 and Bell 103A.

F3

Select V.23 only.

F4

Select V.22 and Bell 212A.

F5

Select V.22bis only.

F6

Select V.32bis and V.32.

F7

Select V.32bis only.

F8

Select V.32 only.

F9

Select V.32bis only.

F10

Select V.32bis only.

ON-LINE IN RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \On

Example:

AT \O<CR>

Description:

Returns to on-line and requests reliable mode connection.

CONVERT TO RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \Y [cmds]

Example:

AT \Y<CR>

Description:

Initiates reliable mode link.

V.42 HANDSHAKE OPTIONS

Type:

Configuration

Format:

AT [cmds] -Jn [cmds]

Example:

AT-J &W<CR>

Description:

Controls negotiation of V.42 and MNP protocols.

Command

Function

-J0

V.42 negotiation disabled.

» -J1

V.42 negotiation enabled.

V.42bis COMPRESSION

Type:

Configuration

Format:

AT [cmds] "Hn [cmds]

Example:

AT "H0 &W<CR>

Description:

Controls V.42bis compression.

Command

Function

"H0

Data compression disabled.

"H1

Data compression enabled.

"H2

Data compression enabled on transmit only.

» "H3

Data compression enabled on receive only.

V.42bis STRING LENGTH

Type:

Configuration

Format:

AT [cmds] "On [cmds]

Example:

AT"O6<CR>

Default:

16

Range:

6-250

Unit:

1 character

Description:

Sets the maximum number of characters compressed into a V.42bis code word.

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