EXP COMPUTER, INC.

288I

Modem Type

Data (synchronous/asynchronous)/Fax

Maximum Data Rate

28.8Kbps

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, V.34

Rockwell V.FC

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

V1467

Proprietary AT Command Set

AUTO-RETRAIN - FALLBACK/FALLFORWARD

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Example:

AT %E1 <CR>

Description:

Controls auto-retrain mode and fallback/fall forward.

Command

Function

%E0

Auto-retrain disabled.

%E1

Auto-retrain enabled.

%E2

Fallback/fall forward enabled.

BIT-MAPPED REGISTERS

Register

Default

S14

138

S21

4

S22

117

S23

55

S27

73

S28

0

S31

2

S40

107

S41

3

S80

0

BREAK SEND

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Example:

AT \B3 &W<CR>

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

Reliable/Normal mode

Modem receives \B

Break from remote modem

\K0

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

Buffers cleared and break sent to remote modem.

Buffers cleared and break sent to DTE.

\K1

Buffers cleared and break sent to remote modem.

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.

Send break to DTE immediately.

\K3

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 with transmitted data.

Break sent with received data to the DTE.

» \K5

Send break with transmitted data.

Send break to remote modem with transmitted data.

Break sent with received data to the DTE.

CALLER ID

Type:

Configuration

Format:

AT [cmds] #CID=n [cmds]

Example:

AT #CID=2<CR>

Description:

Controls the Caller ID function.

Command

Function

» #CID=0

Caller ID disabled.

#CID=1

Caller ID displays formatted data.

#CID=2

Caller ID displays raw hexadecimal data.

CELLULAR TRANSMISSION LEVEL

Type:

Register

Format:

AT [cmds] S201=n [cmds]

Example:

AT S201=26 &W<CR>

Default:

Unidentified

Range:

Unidentified

Unit:

-dBm

Description:

Sets the signal level for transmission when in leased line mode.

COMPRESSION AND ERROR CORRECTION

Type:

Configuration

Format:

AT %Cn

Example:

AT %C0 *Y1<CR>

Description:

Selects data compression and error correction.

Command

Function

%C0

Data compression disabled.

%C1

Data compression enabled.

%C2

Data correction enabled.

%C3

Data compression and correction enabled.

COMPROMISE EQUALIZER

Type:

Configuration

Format:

AT [cmds] :En [cmds]

Example:

AT :E &W<CR>

Description:

Controls V.32 compromise equalizer.

Command

Function

:E0

Equalizer disabled.

» :E1

Equalizer 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

Direct mode enabled.

\N2

Reliable mode enabled.

\N3

Auto-reliable mode enabled.

\N4

LAP-M mode only enabled.

\N5

MNP mode enabled.

DOWNLOAD DRIVER

Type:

Immediate

Format:

AT [cmds] ^C2 [cmds]

Example:

AT ^C2 &W<CR>

Description:

Download cellular phone driver.

FAX TRANSMIT LEVEL

Type:

Register

Format:

AT [cmds] S92=n [cmds]

Example:

ATS92=10<CR>

Default:

10

Range:

1-15

Unit:

-1dBm

Description:

Controls fax transmission level.

FLASH DIAL MODIFIER TIME

Format

AT [cmds] S29=n [cmds]

Example:

ATS29=0<CR>

Default:

0

Range:

0-255

Unit:

10 ms

Description:

Time the modem will go on-hook upon receiving the ! dial modifier in dial string.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Example:

AT \G1 &K3<CR>

Description:

Selects modem port flow control.

Command

Function

\G0

Flow control disabled.

\G1

Flow control enabled.

HDLC ADDRESS

Type:

Register

Format:

AT [cmds] S20=n [cmds]

Example:

ATS20=6<CR>

Default:

Unidentified

Range:

0-255

Unit:

ASCII

Description:

Sets the HDLC address/BSC character.

IDENTIFY DRIVER

Type:

Immediate

Format:

AT [cmds] ^I [cmds]

Example:

AT ^I &W<CR>

Description:

Identifies cellular phone driver.

LEASED LINE TRANSMISSION LEVEL

Type:

Configuration

Format:

AT [cmds] S99=n [cmds]

Example:

AT S99=8<CR>

Default:

10

Range:

0 -15

Unit:

-1 dBm

Description:

Sets the signal level for transmission when in leased-line mode.

LINE SIGNAL LEVEL

Type:

Configuration

Format:

AT [cmds] %L [cmds]

Example:

AT %L &W<CR>

Description:

Returns received line signal level.

REPORT SIGNAL QUALITY

Type:

Immediate

Format:

AT [cmds] %Q [cmds]

Example:

AT %Q<CR>

Description:

Reports signal quality. If the value is greater than 7, the modem will retrain.

MAXIMUM BLOCK SIZE FOR TRANSMISSION

Type:

Configuration

Format:

AT [cmds] \An [cmds]

Example:

AT \A3 &MB28800<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.

MNP10 COMPRESSION

Type:

Configuration

Format:

AT [cmds] -Kn [cmds]

Example:

AT %C1 -K1 -Q0 <CR>

Description:

Selects MNP10 data compression.

Command

Function

-K0

MNP10 disabled.

» -K1

MNP10 enabled.

-K2

MNP10 enabled on answer mode only.

MNP10 FALL-BACK

Type:

Configuration

Format:

AT [cmds] -Qn [cmds]

Example:

AT *H0 -Q1 <CR>

Description:

Allows MNP10 to fall back to speeds slower than 4800bps.

Command

Function

-Q0

MNP10 at 2400 and 1200bps disabled.

» -Q1

MNP10 at 2400 and 1200bps enabled.

MNP10 LINK NEGOTIATION

Type:

Configuration

Format:

AT [cmds] *Hn [cmds]

Example:

AT *H0 -Q1 <CR>

Description:

Sets the speed at which MNP10 link negotiation will occur.

Command

Function

*H0

Link will be negotiated at highest possible speed.

*H1

Link will be negotiated at 1200bps.

*H2

Link will be negotiated at 4800bps.

MNP10 POWER LEVEL ADJUST

Type:

Configuration

Format:

AT [cmds] )Mn [cmds]

Example:

AT )M1 %C1<CR>

Description:

Controls automatic transmit power level adjustment during MNP 10 link negotiation.

Command

Function

)M0

Power level adjustment disabled.

)M1

Power level adjustment enabled.

MODULATION SELECTION DISPLAY

Type:

Immediate

Format:

AT [cmds] +MS?

Example:

AT +MS? <CR>

Description:

Displays modulation, automode, minimum rate and maximum rate settings

MODULATION SELECTION

Type:

Configuration

Format:

AT [cmds] +MS=xx,y,zzz,aaa [cmds]

Example:

AT +MS11,1,300,28800 &W<CR>

Description:

Sets options for active protocol. The transfer rates specified by z and a must be valid for the protocol selected.

Command

Function

x=0

V.21

x=1

V.22

x=2

V.22bis

x=3

V.23

x=9

V.32

x=10

V.32bis

» x=11

V.34

x=64

Bell 103A

x=69

Bell 212A

x=74

V.FC

y=0

Automode disabled.

y=1

Auto-detect highest speed enabled.

z, a=300

Set minimum or maximum transfer rate at 300bps, respectively.

z, a=1200

Set minimum or maximum transfer rate at 1200bps, respectively.

z, a=2400

Set minimum or maximum transfer rate at 2400bps, respectively.

z, a=4800

Set minimum or maximum transfer rate at 4800bps, respectively.

z, a=7200

Set minimum or maximum transfer rate at 7200bps, respectively.

z, a=9600

Set minimum or maximum transfer rate at 9600bps, respectively.

z, a=12000

Set minimum or maximum transfer rate at 12000bps, respectively.

z, a=14400

Set minimum or maximum transfer rate at 14400bps, respectively.

z, a=16800

Set minimum or maximum transfer rate at 16800bps, respectively.

z, a=19200

Set minimum or maximum transfer rate at 19200bps, respectively.

z, a=21600

Set minimum or maximum transfer rate at 21600bps, respectively.

z, a=24000

Set minimum or maximum transfer rate at 24000bps, respectively.

z, a=26400

Set minimum or maximum transfer rate at 26400bps, respectively.

z, a=28800

Set minimum or maximum transfer rate at 28800bps, respectively.

REMOTE ACCESS ESCAPE CHARACTER

Type:

Register

Format:

AT [cmds] S202=n [cmds]

Example:

ATS202=6<CR>

Default:

170

Range:

0-255

Unit:

ASCII

Description:

Sets the remote access escape character.

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Example:

AT I1 O<CR>

Description:

Displays modem properties.

Command

Function

I0

Reports product code.

I1

Reports ROM checksum result.

I2

Reports OK.

I3

Reports firmware version.

I4

Reports OEM version.

I5

Reports country code.

I6

Reports current connection’s statistics.

I7

Reports DAA code.

SLEEP TIMER

Format

AT [cmds] S24=n [cmds]

Example:

ATS24=40<CR>

Default:

0

Range:

0 - 255

Unit:

1 second

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode.

STATUS INDICATOR

Type:

Immediate

Format:

AT [cmds] ^T6 [cmds]

Example:

AT ^T6 &W<CR>

Description:

indicate status of cellular phone.

TEST MODES

Format

AT [cmds] S16=n [cmds]

Example:

ATS16=40<CR>

Default:

0

Range:

0-125

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.

TEST MODE - PTT

Type:

Configuration

Format:

AT [cmds] %TT [cmds]

Example:

AT %TT &W<CR>

Description:

Send PTT test signals for European line test.

TRANSMISSION LEVEL

Type:

Configuration

Format:

AT [cmds] @Mn [cmds]

Example:

AT @M25 &W<CR>

Default:

0

Range:

11-31

Unit:

-1 dBm

Description:

Sets the signal level for transmission.

Command

Function

» @M0

-26dBm

@M1

-30dBm

@M2-@M10

-10dBm

FLOW CONTROL CHARACTER - XOFF

Type:

Register

Format:

AT [cmds] S33=n [cmds]

Example:

ATS33=20<CR>

Default:

19

Range:

0-255

Unit:

ASCII

Description:

Sets the character used to represent XOFF.

FLOW CONTROL CHARACTER - XON

Type:

Register

Format:

AT [cmds] S32=n [cmds]

Example:

ATS32=20<CR>

Default:

17

Range:

0-255

Unit:

ASCII

Description:

Sets the character used to represent XON.