SIMPLE TECHNOLOGY, INC.

28.8 COMMUNICATOR WITH SIMPLE JACK

Card Type

Fax, Modem (asynchronous), Voice

Chip Set

Unidentified

I/O Options

Speakerphone, Voicemail

Maximum Data Rate

28.8Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

PCMCIA Type II

Fax Class

Class I & II

Data Modulation Protocol

Bell 103/212A

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.27ter, V.29

Error Correction/Compression

MNP10, V.42bis

V1832

Proprietary AT Command Set

AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Description:

Controls auto-retrain mode and fallback/fall-forward

Command

Function

%E0

Auto-retrain disabled

%E1

Auto-retrain enabled

í %E2

Auto-fallback/fall-forward enabled

BIT-MAPPED REGISTER S14

Format:

AT [cmds] S14? [cmds]

Default:

Read-only

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

í 0

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? [cmds]

Default:

Read-only

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

00

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 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

í 0

1

Long space disconnect function disabled

Long space disconnect function enabled

BIT-MAPPED REGISTER S22

Format

AT [cmds] S22? [cmds]

Default:

Read-only

Range:

0-127

Unit:

Bit-mapped

Description:

Controls speaker volume and controls, and limits results codes.

Bit

Value

Function

1, 0

00

01

10

í 11

Off volume

Low level volume

Low level volume

Low 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

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23? [cmds]

Default:

Read-only

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

í 0

1

Remote digital loopback denied

Remote digital loopback allowed

3 - 1

000

001

010

í 011

100

101

110

Sets serial port speed to 0-300bps

Sets serial port speed to 600bps

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 19200bps

5, 4

00

01

10

í 11

Parity even

Not used

Parity odd

No Parity

7, 6

í 00

01

10

Guard tone disabled

Guard tone disabled

Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Default:

Read-only

Range:

0-74

Unit:

Bit-mapped

Description:

Selects asynchronous mode and ITU-T/Bell modes.

Bit

Value

Function

3, 1, 0

000

í 101

110

Direct asynchronous mode

Reliable asynchronous mode

Normal asynchronous mode

5, 4, 2

í 0

Not used

6

í 0

1

ITU/T mode

Bell mode

BIT-MAPPED REGISTER S28

Format

AT [cmds] S28? [cmds]

Default:

Read-only

Range:

0-128

Unit:

Bit-mapped

Description:

Controls MNP10 link negotiation

Bit

Value

Function

5 - 0

0

Not used

7, 6

í 00

01

10

Link will be negotiated at highest possible speed

Link will be negotiated at 1200bps

Link will be negotiated at 4800bps

BIT-MAPPED REGISTER S31

Format:

AT [cmds] S31? [cmds]

Default:

Read-only

Range:

0-202

Description:

Select automode and extended result code format.

Bit

Value

Function

0

í 0

Not used

1

0

í 1

Auto-mode detection disabled; In originate mode or answer mode, handshake occurs only in mode designated by S37 register.

In originate mode, handshake begins at line speed designated by the S37 register. Modem can shift to a slower speed if necessary.

In answer mode, handshake attempted with the following protocols in order - V.FC, V.32terbo, V.32bis, V.32, V.22bis, V.22 or Bell 212, V.21, and Bell 103

3, 2

í 00

01

10

Enables CONNECT result codes to report DTE speed

Full reporting of CONNECT result codes

Enables CONNECT result codes to report DCE speed

5, 4

í 00

Not used

7, 6

í 11

Not used

BIT-MAPPED REGISTER S40

Format

AT [cmds] S40? [cmds]

Default:

Read-only

Range:

0-238

Unit:

Bit-mapped

Description:

Controls power level and break handling; selects MNP extended services, and block size.

Bit

Value

Function

1, 0

í 00

01

10

MNP extended services disabled

MNP extended services enabled

MNP extended services enabled; except during LAP-M answer detection phase.

2

í 0

1

Power level adjustment enabled

Power level adjustment disabled

5, 4, 3

000

001

010

011

100

í 101

\K0

\K1

\K2

\K3

\K4

\K5

7, 6

00

01

í 10

11

MNP block size is 64 characters

MNP block size is 128 characters

MNP block size is 192 characters

MNP block size is 256 characters

BIT-MAPPED REGISTER S41

Format

AT [cmds] S41? [cmds]

Default:

Read-only

Range:

0-219

Unit:

Bit-mapped

Description:

Selects compression, auto-retrain, flow control, MNP10 fall-back, and MNP mode.

Bit

Value

Function

1 - 0

00

01

10

í 11

Data compression disabled

MNP5 enabled

V.42bis enabled

MNP5 and V.42bis enabled

6, 2

00

01

í 10

Auto-retrain disabled

Auto-retrain enabled

Auto-fallback/fall-forward enabled

3

í 0

1

Flow control disabled

Flow control enabled

4

í 0

1

Stream mode for MNP

Block mode for MNP

5

í 0

Not used

7

0

í 1

MNP10 at 4800bps enabled

MNP10 at 2400 and 1200bps enabled

BIT-MAPPED REGISTER S201

Format:

AT [cmds] S201=n [cmds]

Default:

50

Range:

0-190

Description:

Controls power level, and compromise equalizer.

Bit

Value

Function

4 - 0

00000

00001

00010

...

01010

01011

...to...

í 10010

...to...

11110

Initial power level -26dBm

Initial power level -30dBm

Initial power level -10dBm

...

Initial power level -10dBm

Initial power level -11dBm

...to...

Initial power level -18dBm

...to...

Initial power level -30dBm

5

0

í 1

Equalizer disabled

Equalizer enabled

6

í 0

Not used

7

í 0

1

MNP10EC disabled

MNP10EC enabled

BIT-MAPPED REGISTER S210

Format:

AT [cmds] S210=n [cmds]

Default:

13

Range:

0-13

Description:

Selects symbol rates and controls asymmetric rates.

Bit

Value

Function

2 - 0

000

001

010

011

100

í 101

2400

2400

2400, 2800

2400, 2800, 3000

2400, 2800, 3000, 3200

2400, 2800, 3000, 3200, 3429

3

0

í 1

Disable V.34 asymmetric rate

Enable V.34 asymmetric rate

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

Modem receives \B

Break received from remote modem

\K0

Online command mode enabled, send no break to remote modem

Break sent to remote modem and buffered cleared

Buffers cleared, break sent to DTE

\K1

Break sent to remote modem and buffered cleared

Break sent to remote modem and buffered cleared

Buffers cleared, break sent to DTE

\K2

Online command mode enabled, send no break to remote modem

Send break to remote modem immediately

Break sent immediately to DTE

\K3

Send break to remote modem immediately

Send break to remote modem immediately

Break sent immediately to DTE

\K4

Online command mode enabled, send no break to remote modem

Send break with transmitted data

Break sent with received data to the DTE

í \K5

Send break with transmitted data

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

%C1

MNP5 enabled

%C2

V.42bis enabled

í %C3

MNP5 and V.42bis

COMPROMISE EQUALIZER

Type:

Configuration

Format:

AT [cmds] :En [cmds]

Description:

Controls compromise equalizer

Command

Function

:E0

Equalizer disabled

í :E1

Equalizer 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

Reliable mode enabled

í \N3

Auto-reliable mode enabled

\N4

LAP-M mode enabled

\N5

MNP mode enabled

DIAL

Type:

Immediate

Format:

AT [cmds] D<#> [cmds]

Description:

Dials telephone number according to any modifiers included in the string

Note:

Any combination of modifiers can be used to produce the desired dial functions in sequence.

Command

Function

DJ

Link will be negotiated at 1200bps for this call only

DK

Power level adjustment enabled for this call only

DL

Re-dial last number

DP

Pulse dialing enabled

DR

Not used

DS=n

Dial stored telephone number n

DT

Tone dialing enabled/Pulse dialing disabled

DW

Dialing resumed following dial tone detection

D,

Dialing paused for amount of time specified in S8 register

D!

Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.

D@

Wait for Quite Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to 5seconds, is received prior to executing the rest of the dial string.

D^

Enables calling tone for this call only

D&

Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command.

D;

Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

DOWNLOAD TO FLASH MEMORY

Type:

Immediate

Format:

AT [cmds] ** [cmds]

Description:

Initiates downloading to flash memory

FLASH DIAL MODIFIER TIME

Type:

Register

Format

AT [cmds] S29? [cmds]

Default:

Read-only

Range:

0-255

Unit:

.01 second

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]

Description:

Selects modem port flow control

Command

Function

í \G0

Flow control disabled

\G1

Flow control enabled

FLOW CONTROL

Type:

Register

Format

AT [cmds] S39? [cmds]

Default:

Read-only

Range:

0, 3-6

Description:

Displays the current flow control

Value

Meaning

0

Flow control disabled

í 3

RTS/CTS flow control enabled

4

XON/XOFF flow control enabled

5

Transparent XON/XOFF flow control enabled

6

Both RTS/CTS and XON/XOFF flow control enabled

FLOW CONTROL CHARACTER - XON

Type:

Register

Format:

AT [cmds] S32=n [cmds]

Default:

17

Range:

0-255

Unit:

ASCII

Description:

Sets the character used to represent XON

FLOW CONTROL CHARACTER - XOFF

Type:

Register

Format:

AT [cmds] S33=n [cmds]

Default:

19

Range:

0-255

Unit:

ASCII

Description:

Sets the character used to represent XOFF

LINE SIGNAL LEVEL

Type:

Immediate

Format:

AT [cmds] %L [cmds]

Description:

Returns a value which indicates the received line signal level

LINE SIGNAL QUALITY

Type:

Immediate

Format:

AT [cmds] %Q [cmds]

Description:

Returns a value which indicates line signal quality

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

í \A1

MNP block size is 128 characters

\A2

MNP block size is 192 characters

\A3

MNP block size is 256 characters

MNP - EXTENDED SERVICES

Type:

Configuration

Format:

AT [cmds] -Kn [cmds]

Description:

Selects MNP extended services; conversion from V.42(LAP-M) to an MNP10 connection.

Command

Function

-K0

MNP extended services disabled

í -K1

MNP extended services enabled

-K2

MNP extended services enabled; except during LAP-M answer detection phase.

MNP10 - EC

Type:

Configuration

Format:

AT [cmds] -SEC=x,y [cmds]

Description:

Controls MNP10 error correction and set initial transmit level

Command

Function

x=0

MNP10EC disabled

x=1

MNP10EC enabled

y=(10-30)

10-30 in -dBm

-SEC?

Displays parameters

MNP10 - FALLBACK

Type:

Configuration

Format:

AT [cmds] -Qn [cmds]

Description:

Allows MNP10 to fall back to speeds slower than 4800bps

Command

Function

-Q0

MNP10 at 4800bps enabled

í -Q1

MNP10 at 2400 and 1200bps 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

*H2

Link will be negotiated at 4800bps

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

)M2

Power level adjustment during MNP10 negotiation; power level remains fixed.

MODULATION SELECTION

Type:

Configuration

Format:

AT [cmds] +MS=x,y,z,a [cmds]

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 103

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=600

Set minimum or maximum transfer rate at 600bps, 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=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.

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product code

I1

Reports ROM checksum

I2

Reports OK

I3

Reports ROM revision level and model

I4

Reports modem identifier string

I5

Reports country code

I6

Reports data pump model and code revision

I7

Reports DAA code for external DAA (if not installed, reports 255)

SLEEP TIMER

Type:

Register

Format

AT [cmds] S24=n [cmds]

Default:

10

Range:

0-255

Unit:

1 second

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode; S24=0 will disable.

TEST MODES

Type:

Register

Format:

AT [cmds] S16? [cmds]

Default:

Read-only

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

TRANSMISSION LEVEL

Type:

Configuration

Format:

AT [cmds] @Mn [cmds]

Default:

Unidentified

Range:

11-30

Unit:

-1dBm

Description:

Sets the initial signal level for transmission

Command

Function

@M0

-26 dBm

@M1

-30 dBm

@M2-@M10

-10 dBm

TRANSMISSION LEVEL - FAX

Type:

Register

Format:

AT [cmds] S92=n [cmds]

Default:

10

Range:

0-15

Unit:

-1 dBm

Description:

Sets the signal level for transmission while in fax mode

TRANSMISSION LEVEL - LEASED-LINE

Type:

Register

Format:

AT [cmds] S99=n [cmds]

Default:

10

Range:

0-15

Unit:

-1 dBm

Description:

Sets the signal level for transmission over leased-lines

TRANSMISSION LEVEL - PSTN

Type

Register or Configuration

Format

AT [cmds] S91=n [cmds]

Default

10

Range

0-15

Unit

-1 dBm

Description

Sets the signal level for transmission over switched phone lines