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SPORTSTER PCMCIA 14.4

3COM CORPORATION

SPORTSTER PCMCIA 14.4

Modem Type

Data (synchronous/asynchronous)/Fax

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

External

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

MNP5, V.42, V.42bis

Proprietary AT Command Set

54127

BIT-MAPPED REGISTER S13

Format

AT [cmds] S13=n [cmds]

Example:

ATS13=139<CR>

Default:

0

Range:

0 - 89

Unit:

Bit-mapped

Description:

Controls DTR reset, DTR dialing, reset dialing, and MNP3.

Bit

Value

Function

0

0

1

DTR normal.

Reset on low DTR.

1

0

Not used.

2

0

Not used.

3

0

1

DTR dialing disabled.

DTR dialing enabled.

4

0

1

Reset dialing disabled.

Reset dialing enabled.

5

0

Not used.

6

0

1

MNP 3 enabled.

MNP 3 disabled.

7

0

Not used.

BIT-MAPPED REGISTER S15

Format

AT [cmds] S15=n [cmds]

Example:

ATS15=139<CR>

Default:

0

Range:

0 - 56

Unit:

Bit-mapped

Description:

Controls non-error-correcting mode buffer, MNP4, and BS/DEL switch.

Bit

Value

Function

0

0

Not used.

1

0

Not used.

2

0

Not used.

3

0

1

Non-error-correcting mode transmit buffer set to 1.5KB.

Non-error-correcting mode transmit buffer set to 128 bytes.

4

0

1

MNP 4 enabled.

MNP 4 disabled.

5

0

1

Use backspace key for delete disabled.

Use backspace key for delete enabled.

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Example:

ATS27=139<CR>

Default:

0

Range:

0 - 191

Unit:

Bit-mapped

Description:

Controls V.21, V.32 encoding and modulation, V.42 answer tone and handshake, and 9600 result codes.

Bit

Value

Function

0

0

1

V.21 disabled.

V.21 enabled.

1

0

1

V.32 trellis coding disabled.

V.32 trellis coding enabled.

2

0

1

V.32 modulation enabled.

V.32 modulation disabled.

3

0

1

2100Hz answer tone enabled.

2100Hz answer tone disabled.

5, 4

00

01

10

11

V.42 detect, LAPM and MNP enabled.

V.42 detect and LAPM enabled.

MNP enabled.

LAPM enabled.

6

0

Not used.

7

0

1

Actual result codes displayed.

Force 9600 result codes.

COMPRESSION AND ERROR CORRECTION

Format

AT [cmds] S51=n [cmds]

Example:

ATS51=139<CR>

Default:

0

Range:

0 - 7

Unit:

Bit-mapped

Description:

Selects compression and error correction for specific modulations.

Bit

Value

Function

0

0

1

MNP/V.42 disabled during V.22 operation.

MNP/V.42 disabled during V.22 operation.

1

0

1

MNP/V.42 disabled during V.22bis operation.

MNP/V.42 disabled during V.22bis operation.

2

0

1

MNP/V.42 disabled during V.32bis operation.

MNP/V.42 disabled during V.32bis operation.

BREAK LENGTH

Type:

Register

Format:

AT [cmds] S21=n [cmds]

Example:

ATS21=20<CR>

Default:

10

Range:

Unidentified

Unit:

10 milliseconds

Description:

Sets the length of error control mode breaks sent from DCE to DTE.

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] &Yn [cmds]

Example:

AT &Y0<CR>

Description:

Configures action of break signal.

Command

Function

&Y0

Break empties buffer.

&Y1

Break empties buffer and is sent immediately.

&Y2

Break does not empty buffer and is sent immediately.

&Y3

Break does not empty buffer and is sent with transmitted data.

CONNECTION SPEED FORCE

Type:

Configuration

Format:

AT [cmds] &Nn [cmds]

Example:

AT &N1 DT555-1212<CR>

Description:

Sets required connection speed.,

Command

Function

&N0

Variable.

&N1

300bps

&N2

1200bps

&N3

2400bps

&N4

4800bps

&N5

7200bps

&N6

9600bps

&N7

12Kbps

&N8

14.4Kbps

ERROR CORRECTION MODE

Type:

Configuration

Format:

AT [cmds] &Mn [cmds]

Example:

AT &M1 %C1<CR>

Description:

Selects active error correction protocols.

Command

Function

&M0

Normal mode only.

&M4

Auto-detect mode.

&M5

ARQ mode only.

ESCAPE CHARACTER RESPONSE

Type:

Register

Format:

AT [cmds] S14=n [cmds]

Example:

ATS14=20<CR>

Default:

0

Description:

Controls reaction to escape character.

Command

Function

S14=0

Normal operation.

S14=1

When +++ is received, modem goes on hook, enters command state and sends NO CARRIER result code.

EXTENDED RESULT CODES

Type:

Configuration

Format:

AT [cmds] &An [cmds]

Example:

AT &A1 %C1<CR>

Description:

Selects extended result codes.

Command

Function

&A0

Extended result codes disabled.

&A1

ARQ result codes enabled.

&A2

V.32 result code enabled.

&A3

Error control and compression result codes enabled.

FLOW CONTROL CHARACTER - XON

Type:

Register

Format:

AT [cmds] S22=n [cmds]

Example:

ATS22=20<CR>

Default:

17

Range:

0-127

Unit:

ASCII

Description:

Sets the character used to represent XON.

FLOW CONTROL CHARACTER - XOFF

Type:

Register

Format:

AT [cmds] S23=n [cmds]

Example:

ATS23=20<CR>

Default:

19

Range:

0-127

Unit:

ASCII

Description:

Sets the character used to represent XOFF.

FLOW CONTROL PASSTHROUGH

Type:

Configuration

Format:

AT [cmds] &In [cmds]

Example:

AT &I0 &W<CR>

Description:

Allows modem to act on, then transmit XON/XOFF characters.

Command

Function

&I0

Software flow control disabled.

&I1

XON/XOFF passthrough enabled.

&I2

XON/XOFF passthrough disabled.

&I3

ENQ/ACK enabled in host mode.

&I4

ENQ/ACK enabled in terminal mode.

&I5

XON/XOFF passthrough disabled in error correction mode.

FLOW CONTROL TYPE

Type:

Configuration

Format:

AT [cmds] &Hn [cmds]

Example:

AT &H0 A<CR>

Description:

Sets type of flow control used by modem.

Command

Function

&H0

Flow control disabled.

&H1

CTS/RTS flow control enabled.

&H2

XON/XOFF flow control enabled.

&H3

CTS/RTS and XON/XOFF flow control enabled.

HELP SCREENS

Type:

Immediate

Format:

AT <prefix>$

Example:

AT &$<CR>

Description:

Shows command help screens for all commands beginning with the given prefix, or no prefix if none is given.

Command

Function

$

Shows ATx help screen.

&$

Shows AT&x help screen.

INACTIVITY TIMER

Type:

Register

Format:

AT [cmds] S19=n [cmds]

Example:

ATS19=20<CR>

Default:

0

Range:

Unidentified

Unit:

1 minute

Description:

Sets the length of time that the modem does not receive information before it disconnects.

LOCK SERIAL PORT

Type:

Configuration

Format:

AT [cmds] &Bn [cmds]

Example:

AT &N9 &B0<CR>

Description:

Sets operation of serial port speed.

Command

Function

&B0

Serial speed follows connect speed

&B1

Serial speed locked.

&B2

Serial speed locked in ARQ mode only,

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 RAM checksum result.

I3

Reports firmware version.

I4

Reports current command settings.

I5

Reports current NVRAM settings.

I6

Reports current connections statistics.

I7

Reports configuration.

TONE DIALING TEST

Type:

Register

Format:

AT [cmds] S16=n [cmds]

Example:

ATS16=139<CR>

Description:

Selects the tone dialing test

Command

Function

S16=0

Tone dialing test disabled.

S16=2

Tone dialing test enabled.

V.32 AND V.32bis MODULATIONS

Format

AT [cmds] S34=n [cmds]

Example:

ATS34=139<CR>

Default:

0

Range:

0 - 9

Unit:

Bit-mapped

Description:

Controls V.32 and V.32bis modulations.

Bit

Value

Function

0

0

1

V.32bis enabled.

V.32bis disabled.

1

0

Not used.

2

0

Not used.

3

0

1

V.32 modulation disabled.

V.32 modulation enabled.

V.32 HANDSHAKE TIME

Type:

Register

Format:

AT [cmds] S28=n [cmds]

Example:

ATS28=20<CR>

Default:

8

Range:

0-255

Unit:

.1 second

Description:

Sets length of V.32 handshake.