IPTools.net.ua

Card Type

Modem (synchronous/asynchronous)

Chipset

AT & T HSM288xCF

Maximum Data Rate

28.8Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation

AT&T V.32terbo

Fax Modulation

ITU-T V.17, V.21CH2, V.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I & II

Data Bus

PCMCIA Type II

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, �comma�, A/

A, D, E, H, L, M, N, P, Q, T, V, W, X, Y, Z

&C, &D, &F, &G, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W, &X, &Y, &Z

Extended AT Commands

\A, \B, \C, \G, \J, \N, \Q, \T, \V, \X

%A, %C, %G

Special AT Commands

-J, "O

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25

S26, S27, S30, S48

AUTO-RELIABLE FALLBACK CHARACTER

Type:

Register

Format:

AT [cmds] S43=n [cmds]

Default:

13

Range:

0-127

Unit:

1 ASCII character

Description:

Sets the character used as the auto-reliable fallback character; S43=0 will disable this function.

AUTO-RELIABLE TIME BUFFER CONFIGURATION

Type:

Register

Format:

AT [cmds] S48=n [cmds]

Description:

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

Command

Function

í S48=0

Data is discarded.

S48=1

Data is buffered for 4 seconds or 200 characters.

S48=2

Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character.

AUTOSYNC HDLC ADDRESS

Type:

Register

Format:

AT [cmds] S20=n [cmds]

Default:

0

Range:

0-255

Unit:

Unidentified

Description:

Sets the HDLC address and bisync character.

AUTOSYNC OPTIONS

Type:

Register

Format

AT [cmds] S19=n [cmds]

Default:

26

Range:

0 - 30

Description:

Controls autosync protocol, HDLC address detection, bit coding, and HDLC idle.

Bit

Value

Function

0

0

Not used

1

í 1

HDLC protocol used.

2

í 0

1

HDLC address detect enabled.

3

í 1

NRZ bit coding used.

4

í 1

HDLC idle sends FLAG or SYNC.

BIT-MAPPED REGISTER S40

Format:

AT [cmds] S40=n [cmds]

Default:

77

Range:

12 - 77

Description:

Controls automode and V.42 detection.

Bit

Value

Function

0

í 1

Automode detection enabled.

5 - 1

00110

Not used.

6

í 1

V.42 detection enabled.

BIT-MAPPED REGISTER S44

Format:

AT [cmds] S44=n [cmds]

Default:

7

Range:

0 - 23

Description:

Controls V.42bis and auto-fallback/fall-forward.

Bit

Value

Function

0

í 1

V.42bis enabled.

2, 1

í 11

V.42bis enabled.

3

0

Not used.

4

í 0

1

Auto-fallback/fall-forward enabled.

BIT-MAPPED REGISTER S51

Format:

AT [cmds] S51=n [cmds]

Default:

3

Range:

0 - 115

Description:

Controls flow control, serial port speed, and XON/XOFF trapping.

Bit

Value

Function

1, 0

í 11

Bidirectional RTS/CTS flow control enabled.

3, 2

í 00

Not used.

4

í 0

1

Modem-to-modem flow control enabled.

5

í 0

1

Serial port speed follows connect speed.

6

í 0

1

XON/XOFF passed through local modem.

BIT-MAPPED REGISTER S54

Format:

AT [cmds] S54=n [cmds]

Default:

0

Range:

0 - 129

Description:

Controls V.23 direction and extended result codes.

Bit

Value

Function

0

í 0

1

Modem will use 1200/75bps for V.23 mode.

6 - 1

000000

Not used.

7

í 0

1

Error correction extended result codes enabled.

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Description:

Configures action of break signal

Command

Reliable/Normal mode

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.

BREAK TYPE

Type:

Register

Format:

AT [cmds] S52=n [cmds]

Description:

Configures action of break signal

Command

Reliable/Normal mode

Direct mode

Modem receives \B

Break from remote modem

S52=0

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.

S52=1

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.

S52=2

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.

S52=3

Send break to remote modem immediately.

Send break to remote modem immediately.

Send break to remote modem immediately.

Send break to DTE immediately.

S52=4

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.

S52=5

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.

BTLZ STRING LENGTH

Type:

Register

Format:

AT [cmds] S58=n [cmds]

Default:

32

Range:

6 - 64

Unit:

1 byte

Description:

Selects BTLZ string length.

COMMUNICATION PROTOCOLS

Type:

Configuration

Format:

AT [cmds] Bn [cmds]

Description:

Selects the communication protocol for data calls.

Command

Protocol

B0

Modem will use ITU-T V.22 at 1200bps.

í B1

Modem will use Bell 212A at 1200bps.

B2

Modem will use ITU-T V.23 at 75/1200bps.

B3

Modem will use ITU-T V.23 at 1200/75bps.

COMPRESSION

Type:

Register

Format:

AT [cmds] S59=n [cmds]

Description:

Selects whether the modem will use data compression.

Command

Function

S59=0

Data compression disabled

í S59=1

Data compression enabled.

CONNECT MODE

Type:

Register

Format:

AT [cmds] S53=n [cmds]

Description:

Controls the type of connection the modem will make.

Command

Function

S53=0

Normal mode enabled.

S53=1

Direct mode enabled.

S53=2

MNP reliable mode enabled.

í S53=3

Auto-reliable mode or MNP auto-reliable mode enabled.

S53=4

V.42 reliable mode enabled.

DISPLAY INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested about the modem.

Command

Function

I0

Displays product identification code.

I1

Displays ROM checksum.

I2

Tests and reports ROM checksum.

I3

Displays ROM component information.

I4

Displays modem features.

DISPLAY FIRMWARE REVISION

Type:

Immediate

Format:

AT [cmds] -V [cmds]

Description:

Displays the current firmware revision.

EPROM CHECKSUM

Type:

Register

Format:

AT [cmds] S99? [cmds]

Description:

Displays the checksum for the EPROM.

EXTENDED RESULT CODES

Type:

Register

Format:

AT [cmds] S41=n [cmds]

Description:

Enables selection of additional result codes.

Command

Function

í S41=0

Enables CONNECT result codes to report DTE speed.

S41=1

Enables CONNECT result codes to report DTE speed with all protocol and compression codes.

S41=2

Enables CONNECT result codes to report DCE speed.

LINE SPEED

Type:

Register

Format

AT [cmds] S37=n [cmds]

Description:

Sets the maximum allowable data exchange rate attempted during handshaking process.

Command

Function

í S37=0

Speed of last connection

S37=3

Set speed to 300bps.

S37=5

Set speed to 1200bps.

S37=6

Set speed to 2400bps.

S37=7

Set speed to 4800bps.

S37=8

Set speed to 7200bps.

S37=9

Set speed to 9600bps.

S37=10

Set speed to 12Kbps.

S37=11

Set speed to 14.4Kbps.

S37=12

Set speed to 16.8Kbps.

S37=13

Set speed to 19.2Kbps.

S37=14

Set speed to 21.6Kbps.

S37=15

Set speed to 24Kbps.

S37=16

Set speed to 26.4Kbps.

S37=17

Set speed to 28.8Kbps.

LOCAL SERIAL PORT SPEED

Type:

Register

Format:

AT [cmds] S62=n [cmds]

Description:

Sets the speed of the local serial port.

Command

Function

S62=0

Set speed to 300bps.

S62=1

Set speed to 600bps.

S62=2

Set speed to 1200bps.

S62=3

Set speed to 2400bps.

S62=4

Set speed to 4800bps.

S62=5

Set speed to 7200bps.

S62=6

Set speed to 9600bps.

S62=7

Set speed to 12Kbps.

S62=8

Set speed to 14.4Kbps.

S62=9

Set speed to 16.8Kbps.

S62=10

Set speed to 19.2Kbps.

S62=11

Set speed to 21.6Kbps.

S62=12

Set speed to 24Kbps.

S62=13

Set speed to 26.4Kbps.

S62=14

Set speed to 28.8Kbps.

S62=15

Set speed to 38.4Kbps.

í S62=16

Set speed to 57.6Kbps.

S62=17

Set speed to 115.2Kbps.

LOCAL SERIAL PORT SPEED - DATA TRANSFER

Type:

Register

Format:

AT [cmds] S72=n [cmds]

Description:

Sets the speed of the local serial port during data transfer.

Command

Function

í S72=0

Use last autobaud speed.

S72=1

Set speed to 300bps.

S72=2

Set speed to 600bps.

S72=3

Set speed to 1200bps.

S72=4

Set speed to 2400bps.

S72=5

Set speed to 4800bps.

S72=6

Set speed to 7200bps.

S72=7

Set speed to 9600bps.

S72=8

Set speed to 12Kbps.

S72=9

Set speed to 14.4Kbps.

S72=10

Set speed to 16.8Kbps. (con�t)

LOCAL SERIAL PORT SPEED - DATA TRANSFER (CON�T)

Command

Function

S72=11

Set speed to 19.2Kbps.

S72=12

Set speed to 21.6Kbps.

S72=13

Set speed to 24Kbps.

S72=14

Set speed to 26.4Kbps.

S72=15

Set speed to 28.8Kbps.

S72=16

Set speed to 38.4Kbps.

S72=17

Set speed to 57.6Kbps.

S72=18

Set speed to 115.2Kbps.

MAXIMUM BLOCK SIZE FOR TRANSMISSION

Type:

Register

Format:

AT [cmds] S49=n [cmds]

Description:

Sets the maximum transmittable block size in MNP mode.

Command

Function

S49=0

Maximum MNP block size is 64 characters.

S49=1

Maximum MNP block size is 128 characters.

S49=2

Maximum MNP block size is 192 characters.

S49=3

Maximum MNP block size is 256 characters.

MODE OF OPERATION

Type:

Register

Format:

AT [cmds] S50=n [cmds]

Description:

Selects whether the modem will operate in data or fax mode.

Command

Function

í S50=0

Modem is in data mode.

S50=1

Modem is in fax mode.

ON-LINE

Type:

Immediate

Format:

AT [cmds] On

Description:

Instructs the modem to return to on-line state.

Command

Function

O0

Return to on-line state.

O1

Return to on-line state and initiate retrain sequence.

O3

Return to on-line state and negotiate 2400bps connection.

O4

Return to on-line state and negotiate 4800bps connection.

O5

Return to on-line state and negotiate 7200bps connection.

O6

Return to on-line state and negotiate 9600bps connection.

O7

Return to on-line state and negotiate 12Kbps connection.

O8

Return to on-line state and negotiate 14.4Kbps connection.

O9

Return to on-line state and negotiate 16.8Kbps connection.

O10

Return to on-line state and negotiate 19.2Kbps connection.

O11

Return to on-line state and negotiate 21.6Kbps connection.

O12

Return to on-line state and negotiate 24Kbps connection.

O13

Return to on-line state and negotiate 26.4Kbps connection.

O14

Return to on-line state and negotiate 28.8Kbps connection.

PROFILE ON POWER-UP

Type:

Register

Format:

AT [cmds] S98=n [cmds]

Description:

Selects the profile to restore into the active profile on power-up.

Command

Function

í S98=0

Restore profile 0 on power-up.

S98=1

Restore profile 1 on power-up.

ROUND TRIP DELAY

Type:

Register

Format:

AT [cmds] S65=n [cmds]

Default:

Read-only

Range:

Unidentified

Unit:

.1 second

Description:

The function of this register is unidentified.

SLEEP TIMER

Type:

Register

Format

AT [cmds] S46=n [cmds]

Default:

255

Range:

0-255

Unit:

.1 second

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. Setting S46 to 255 disables this feature.

SLEEP TIMER WITH POWER-DOWN

Type:

Register

Format

AT [cmds] S47=n [cmds]

Default:

255

Range:

0-255

Unit:

.1 second

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating power-down sleep mode. Setting S47 to 255 disables this feature.

TRELLIS CODING

Type:

Configuration

Format:

AT [cmds] &Un [cmds]

Description:

Selects whether the modem will use trellis coding.

Command

Function

í &U0

Trellis coding enabled.

&U1

Trellis coding disabled.

V.32 - AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmds] &Bn [cmds]

Description:

Controls auto-retrain function if poor line quality is detected.

Command

Function

&B0

Auto-retrain disabled, modem hangs up.

í &B1

Auto-retrain enabled, modem hangs up if retrain fails.

&B2

Auto-retrain disabled, modem does not hang up.

V.32 - AUTO-RETRAIN

Type:

Register

Format:

AT [cmds] S42=n [cmds]

Description:

Controls auto-retrain function if poor line quality is detected.

Command

Function

S42=0

Auto-retrain disabled, modem hangs up.

í S42=1

Auto-retrain enabled, modem hangs up if retrain fails.

S42=2

Auto-retrain disabled, modem does not hang up.

V.42bis DICTIONARY SIZE

Type:

Configuration

Format:

AT [cmds] S57=n [cmds]

Description:

Selects the size of the V.42bis dictionary.

Command

Function

S57=0

512 byte dictionary selected.

S57=1

1024 byte dictionary selected.

S57=2

1536 byte dictionary selected.