MAXTECH CORPORATION

14.4 FAX PCMCIA

Card Type

Modem(asynchronous)

Chip Set

Unidentified

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

PCMCIA Type II

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

MNP10, V.42, V.42bis

Proprietary AT Command Set

V1794

AUTO-RETRAIN

Type:

Configuration

Format:

AT %En

Description:

Selects auto-retrain mode

Command

Function

%E0

Auto-retrain disabled

í %E1

Auto-retrain enabled

AUTOSCAN

Type:

Configuration

Format:

AT [cmds] Nn [cmds]

Description:

Enables rate negotiation

Command

Function

N0

Autoscan disabled

í N1

Autoscan enabled

BIT-MAPPED REGISTER S14

Format

AT [cmds] S14=n [cmds]

Default:

138

Range:

0 - 174

Unit:

Bit-mapped

Description:

Controls command echo, result codes, dialing mode, and answer/originate mode

Bit

Value

Function

0

0

Not used

1

0

í 1

Command echo off

Command echo on

2

í 0

1

Result codes enabled

Result codes disabled

3

0

í 1

Numeric result codes

Verbose result codes

4

0

Not used

5

í 0

1

Tone dialing selected

Pulse dialing selected

6

0

Not used

7

0

í 1

Answer mode selected

Originate mode selected

BIT-MAPPED REGISTER S21

Format

AT [cmds] S21=n [cmds]

Default:

20

Range:

0 - 252

Unit:

Bit-mapped

Description:

Selects CTS signal, low DTR action, DCD signal, DSR signal, and long space disconnect

Bit

Value

Function

0

0

Not used

1

0

Not used

2

0

í 1

CTS forced high

CTS follows RTS

4, 3

00

01

í 10

11

DTR signal ignored

Modem goes to command mode on low DTR

Modem disconnects and goes to command mode on low DTR

Modem is initialized on low DTR

5

í 0

1

DCD forced high

DCD normal

6

í 0

1

DSR forced high

DSR normal

7

í 0

1

Long Space Disconnect function disabled

Long Space Disconnect function enabled

BIT-MAPPED REGISTER S22

Format

AT [cmds] S22=n [cmds]

Default:

Unidentified

Range:

0 - 127

Unit:

Bit-mapped

Description:

Controls volume and speaker settings, result codes

Bit

Value

Function

1, 0

00

í 01

10

11

Not used

Low volume setting

Medium volume setting

Highest volume setting

3, 2

00

01

10

11

Speaker disabled

Speaker enabled until connection established

Speaker enabled

Speaker off during dialing

6, 5 ,4

000

001

010

011

100

101

110

í 111

Busy and dialtone detection disabled, result codes 0-4 enabled

Not used

Not used

Not used

Busy and dialtone detection disabled, result codes 0-5, 10 enabled

Busy tone detection disabled, dialtone detection enabled, result codes 0-6, 10 enabled

Busy tone detection enabled, dialtone detection disabled, result codes 0-5, 7, 10 enabled

Busy and dialtone detection enabled, all result codes enabled

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23=n [cmds]

Default:

Unidentified

Range:

0-189

Unit:

Bit-mapped.

Description:

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

Bit

Value

Function

0

0

í 1

Ignore remote digital loopback request

Grant remote digital loopback request

3, 2,

1

000

001

010

011

100

101

110

111

Sets serial port speed to 300bps

Not used

Sets serial port speed to 1200bps

Sets serial port speed to 2400bps

Sets serial port speed to 4800bps

Sets serial port speed to 9600bps

Sets serial port speed to 19.2Kbps

Not used

5,4

í 00

01

10

11

Parity even

Not used

Parity odd

Mark or no parity

7, 6

00

01

10

11

Guard tone Disabled

550Hz guard tone enabled

1800Hz guard tone enabled

Not used

BIT-MAPPED REGISTER S27

Format:

AT [cmds] S27=n [cmds]

Default:

73

Range:

0-78

Description:

Controls connect mode, line type and protocol

Bit

Value

Function

3, 1, 0

0x00

0x01

0x10

0x11

1x00

í 1x01

1x10

1x11

Direct mode

Not used

Not used

Not used

Not used

V.42 with fallback enabled

Normal mode

Not used

2

í 0

1

Switched line

Not used

4

0

Not used

5

0

Not used

6

0

í 1

V.21/V.22 enabled

Bell 212A enabled

BREAK

Type:

Configuration

Format:

AT [cmds] Yn [cmds]

Description:

Enables break signal send and reaction

Command

Function

í Y0

Modem ignores and does not send break signals

Y1

Modem disconnects four seconds after sending break

BREAK SEND

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Default:

3

Range:

1-9

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 while in

reliable/normal mode

Break from DTE while in

direct mode

Modem receives break from DTE while in command mode

Break from remote modem while in normal mode

\K0

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

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

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.

í \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.

COMPRESSION

Type:

Configuration

Format:

AT %Cn

Description:

Selects data compression

Command

Function

%C0

V.42bis/MNP5 data compression disabled

%C1

MNP5 data compression enabled

%C2

V.42bis data compression enabled

í %C3

V.42bis/MNP5 data compression enabled

CONNECT SPEED

Type:

Configuration

Format:

AT [cmds] Fn [cmds]

Description:

Selects connect speed

Command

Function

í F0

Autoscan

F1

Connect at 300bps

F2

Not used

F3

V.23

F4

Connect at 1200bps

F5

Connect at 2400bps

F6

Connect at 4800bps

F7

Connect at 7200bps

F8

Connect at 9600bps

F9

Connect at 12.0Kbps

F10

Connect at 14.4Kbps

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Description:

Sets connect mode

Command

Function

\N0

Normal mode enabled

\N1

Direct mode enabled

\N2

MNP or V.42 mode only enabled

í \N3

MNP, V.42 or normal mode enabled

\N4

V.42 mode enabled

\N5

V.42 enabled

LINE TYPE

Type:

Configuration

Format:

AT [cmds] &Ln [cmds]

Description:

Selects line type

Command

Function

í &L0

Switched line

MAXIMUM BLOCK SIZE FOR TRANSMISSION

Type:

Configuration

Format:

AT [cmds] \An [cmds]

Description:

Sets the maximum transmittable block size

Command

Function

\A0

Maximum MNP block size is 64 characters

í \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 10 EXTENDED SERVICE

Type:

Configuration

Format:

AT [cmds] -Kn [cmds]

Description:

Controls MNP 10 extended service

Command

Function

-K0

MNP 10 extended service disabled

í -K1

MNP 10 extended service enabled

MNP 10 FALLBACK

Type:

Configuration

Format:

AT [cmds] -Qn [cmds]

Description:

Controls fallback from MNP 10 to V.22bis/V.22

Command

Function

-Q0

Fallback disabled

í -Q1

Fallback enabled

MNP10 LINK NEGOTIATION

Type:

Configuration

Format:

AT [cmds] *Hn [cmds]

Description:

Sets the speed at which MNP10 link negotiation will occur

Command

Function

í *H0

Link will be negotiated at highest possible speed

*H1

Link will be negotiated at 1200bps

MNP10 POWER LEVEL ADJUST

Type:

Configuration

Format:

AT [cmds] )Mn [cmds]

Description:

Controls automatic transmit power level adjustment during MNP 10 link negotiation

Command

Function

í )M0

Power level adjustment disabled

)M1

Power level adjustment enabled

MNP STREAM/BLOCK MODE

Type:

Configuration

Format:

AT [cmds] \Ln [cmds]

Description:

Selects the transfer mode for MNP

Command

Function

í \L0

Stream mode for MNP enabled

\L1

Block mode for MNP enabled

REPORT SIGNAL QUALITY

Type:

Immediate

Format:

AT [cmds] %Q [cmds]

Unit:

Unidentified

Description:

Reports signal quality

TEST STATUS

Format

AT [cmds] S16=n [cmds]

Default:

0

Range:

0 - 125

Unit:

Bit-mapped

Description:

Contains status of loopback tests.

Bit

Value

Function

0

í 0

1

Local analog loopback test disabled

Local analog loopback test enabled

1

0

Not used

2

í 0

1

Local digital loopback test disabled

Local digital loopback test enabled

3

í 0

1

Remote digital loopback test disabled

Remote digital loopback test enabled

4

í 0

1

Remote digital loopback test not in progress

Remote digital loopback test in progress

5

í 0

1

Remote digital loopback test & error disabled

Remote digital loopback test & error enabled

6

í 0

1

Local analog loopback with self test disabled

Local analog loopback with self test enabled

TRANSMIT LEVEL

Type

Immediate

Format

AT [cmds] %Ln

Unit

-1 dBm

Description

Displays received signal strength