TDK ELECTRONICS CORPORATION

DF1414 PCMCIA

Card Type

Fax, Modem (asynchronous)

Chip Set

Unidentified

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

PCMCIA Type II

Fax Class

Class I

Data Modulation Protocol

Bell 103J/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

V1938

Proprietary AT Command Set

ACCEPT MNP RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \U [cmds]

Description:

Accept remote modemís request for MNP reliable mode

AUTO-FALLBACK/FALL-FORWARD

Type:

Configuration

Format:

AT [cmds] %Gn [cmds]

Description:

Selects auto-fallback/fall-forward

Command

Function

í %G0

Auto-fallback/fall-forward disabled

%G1

Auto-fallback/fall-forward enabled

AUTO-RELIABLE FALLBACK CHARACTER

Type:

Configuration

Format:

AT [cmds] %An [cmds]

Default:

13

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] \Cn [cmds]

Description:

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

Command

Function

í \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]

Description:

Controls auto-retrain mode

Command

Function

%E0

Auto-retrain disabled

í %E1

Auto-retrain enabled

%E2

Modem set to hang up on poor line quality

BIT-MAPPED REGISTER S14

Format:

AT [cmds] S14=n [cmds]

Default:

170

Range:

0-174

Unit:

Bit-mapped

Description:

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

Bit

Value

Function

0

í 0

Not used

1

0

í 1

Command echo disabled

Command echo enabled

2

í 0

1

Result codes enabled

Result codes disabled

3

0

í 1

Display result codes in numeric format

Display result codes in verbose format

4

í 0

Not used

5

0

í 1

Tone dial enabled

Pulse dial enabled

6

í 0

Not used

7

0

í 1

Answer mode enabled

Originate mode enabled

BIT-MAPPED REGISTER S21

Format

AT [cmds] S21=n [cmds]

Default:

48

Range:

0-252

Unit:

Bit-mapped

Description:

Selects CTS/DCD/DSR signals, low DTR action, and the long space disconnect function.

Bit

Value

Function

1, 0

í 0

Not used

2

í 0

1

CTS follows RTS

CTS forced high

4, 3

00

01

í 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

í 1

DCD forced high

DCD normal

6

í 0

1

DSR forced high

DSR normal

7

0

í 1

Long space disconnect function disabled

Long space disconnect function enabled

BIT-MAPPED REGISTER S22

Format

AT [cmds] S22=n [cmds]

Default:

118

Range:

0-255

Unit:

Bit-mapped

Description:

Controls speaker volume and controls, limits results codes, and pulse dial make/break ratio.

Bit

Value

Function

1, 0

00

01

í 10

11

Low level volume

Low level volume

Medium level volume

High level volume

3, 2

00

í 01

10

11

Speaker off

Speaker off on carrier

Speaker always on

Speaker on during handshake

6 - 4

000

100

101

110

í 111

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

í 0

1

39/61ms at 10pps (North America)

33/67ms at 10pps (Europe)

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23=n [cmds]

Default:

31

Range:

0-191

Unit:

Bit-mapped

Description:

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

Bit

Value

Function

0

0

í 1

Remote digital loopback denied

Remote digital loopback allowed

3 - 1

í 111

Not used

5, 4

00

í 01

10

11

Parity even

Space Parity or No Parity

Parity odd

Mark Parity

7, 6

í 00

01

10

Guard tone disabled

Guard tone 550Hz enabled

Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Default:

64

Range:

0-64

Unit:

Bit-mapped

Description:

Selects ITU-T/Bell modes

Bit

Value

Function

5 - 0

000000

Not used

6

í 0

1

ITU/T mode

Bell mode

BREAK SEND

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Default:

3

Range:

0-9

Unit:

.1 second

Description:

Sends break to modem

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Description:

Configures action of break signal

Command

Break from DTE

Normal mode

Break from DTE

Reliable Mode

Break received from remote modem

\K0

Online command mode enabled, break sent to remote modem

Online command mode enabled, send no break to remote modem

Buffers cleared, break sent to DTE

\K1

Break sent to remote modem

Break sent to remote modem and buffered cleared

Buffers cleared, break sent to DTE

\K2

Online command mode enabled, break sent to remote modem

Online command mode enabled, send no break to remote modem

Break sent immediately to DTE

\K3

Break sent to remote modem

Send break to remote modem immediately

Break sent immediately to DTE

\K4

Online command mode enabled, break sent to remote modem

Online command mode enabled, send no break to remote modem

Break sent with received data to the DTE

í \K5

Break sent to remote modem

Send break with transmitted data

Break sent with received data to the DTE

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

í %C1

MNP5 enabled

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Description:

Controls the type of connection the modem will operate in

Command

Function

\N0

Normal mode enabled

\N1

Direct mode enabled

\N2

MNP reliable mode enabled

í \N3

Auto-reliable mode enabled

\N4

V.42 reliable mode enabled

CONVERT TO MNP RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \Y [cmds]

Description:

Converts to MNP reliable mode from normal or direct mode

DTE DATA SPEED

Type:

Register

Format

AT [cmds] S112=n [cmds]

Description:

Sets the DTE data exchange rate allowed during data mode

Command

Function

í S112=0

Last AT command speed

S112=2

300bps

S112=3

1200bps

S112=4

2400bps

S112=5

4800bps

S112=6

7200bps

S112=7

9600bps

S112=8

12Kbps

S112=9

14.4Kbps

S112=11

19.2Kbps

S112=12

38.4Kbps

S112=13

57.6Kbps

S112=14

600bps

S112=15

115.2Kbps

EXTENDED RESULT CODES

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Description:

Selects extended result codes

Command

Function

í \V0

Extended result codes disabled

\V1

Extended result codes enabled

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Description:

Selects modem port flow control

Command

Function

í \G0

Flow control disabled

\G1

Flow control enabled

FLOW CONTROL TYPE

Type:

Configuration

Format:

AT [cmds] \Qn [cmds]

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

í \Q3

Bidirectional RTS/CTS flow control enabled

INITIATE MNP RELIABLE MODE

Type:

Immediate

Format:

AT [cmds] \O [cmds]

Description:

Initiates MNP reliable mode from normal or direct mode

LOCK SERIAL PORT

Type:

Configuration

Format:

AT [cmds] \Jn [cmds]

Description:

Sets operation of serial port speed

Command

Function

í \J0

Serial speed locked

\J1

Serial speed follows connect speed

MAXIMUM BLOCK SIZE FOR TRANSMISSION

Type:

Configuration

Format:

AT [cmds] \An [cmds]

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

í \A3

MNP block size is 256 characters

SWITCH TO NORMAL MODE

Type:

Immediate

Format:

AT [cmds] \Z [cmds]

Description:

Switches to normal mode from MNP mode

TEST MODES

Type:

Register

Format:

AT [cmds] S16=n [cmds]

Default:

0

Range:

0-125

Unit:

Bit-mapped

Description:

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

Bit

Value

Function

0

í 0

1

Local analog loopback not in progress

Local analog loopback in progress

1

í 0

Not used

2

í 0

1

Local digital loopback not in progress

Local digital loopback in progress

3

í 0

1

Modem not in remote digital loopback

Remote digital loopback in progress

4

í 0

1

Remote digital loopback not requested

Remote digital loopback requested

5

í 0

1

Remote digital loopback w/ self-test not in progress

Remote digital loopback w/ self-test in progress

6

í 0

1

Local analog loopback w/ self-test not in progress

Local analog loopback w/ self-test in progress

V.42 - DETECTION PHASE

Type:

Configuration

Format:

AT [cmds] -Jn [cmds]

Description:

Controls V.42 detection

Command

Function

-J0

V.42 detection disabled

í -J1

V.42 detection enabled

V.42bis - COMPRESSION CONTROL

Type:

Configuration

Format:

AT [cmds] %Hn [cmds]

Description:

Controls V.42bis data compression

Command

Function

%H0

V.42bis disabled

%H1

V.42bis when transmitting enabled

%H2

V.42bis when receiving enabled

í %H3

V.42bis when transmitting/receiving enabled

V.42bis - COMPRESSION CONTROL

Type:

Configuration

Format:

AT [cmds] "Hn [cmds]

Description:

Controls V.42bis data compression

Command

Function

"H0

V.42bis disabled

"H1

V.42bis when transmitting enabled

"H2

V.42bis when receiving enabled

í "H3

V.42bis when transmitting/receiving enabled

V.42bis - MAXIMUM STRING LENGTH

Type:

Immediate

Format:

AT [cmds] "On [cmds]

Default:

16

Range:

6-250

Unit:

Characters

Description:

Selects string size for V.42bis compression

XON/XOFF PASS-THROUGH

Type:

Configuration

Format:

AT [cmds] \Xn [cmds]

Description:

Selects whether XON/XOFF signals are sent to remote modem

Command

Function

í \X0

XON/XOFF signals trapped by local modem

\X1

XON/XOFF passed through local modem