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28.8 NETSURFER modem/telephone/ISDN Settings and Configuration






NEW MEDIA CORPORATION

28.8 NETSURFER

Card Type

Modem (synchronous/asynchronous)

Chipset

Unidentified

Maximum Data Rate

28.8Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation

Unidentified

Fax Modulation

Unidentified

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I

Data Bus

PCMCIA Type II

NEW-MEDIA-CORPORATION-Modem-synchronous-asynchrono

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, B, D, E, H, L, M, N, P, Q, T, V, W, X, 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, \K, \N, \Q, \T, \V, \X

%A, %C, %G

Special AT Commands

"H, -J, "N, "O

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S25, S26

S27, S30

Note: See MHI help file for complete information.

UNIDENTIFIED COMMANDS

Command

Default

S54

0

S65

Unidentified

Proprietary AT Command Set

AUTO-RELIABLE FALLBACK CHARACTER

Type:

Register

Format:

AT [cmds] S43=n [cmds]

Default:

1

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 the auto-reliable negotiation time period.

Command

Function

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 OPTIONS

Type:

Register

Format

AT [cmds] S19=n [cmds]

Default:

26

Range:

0 - 30

Description:

Controls AutoSync protocol, HDLC address detection, bit coding type, and HDLC idle.

Bit

Value

Function

0

0

Not used

1

0

í 1

Binary synchronous protocol used.

HDLC protocol used.

2

í 0

1

HDLC address detection disabled.

HDLC address detection enabled.

3

0

í 1

NRZI bit coding used.

NRZ bit coding used.

4

0

í 1

HDLC idle sends MARK.

HDLC idle sends FLAG or SYNC.

AUTOSYNC HDLC ADDRESS

Type:

Register

Format:

AT [cmds] S20=n [cmds]

Default:

0

Range:

0-255

Unit:

Unidentified

Description:

Sets the HDLC address and binary synchronous character.

BIT-MAPPED REGISTER S40

Format:

AT [cmds] S40=n [cmds]

Default:

77

Range:

12 - 77

Description:

Controls automode connection and V.42 detection phase.

Bit

Value

Function

0

0

í 1

Automode connection disabled.

Automode connection enabled.

5 - 1

00110

Not used.

6

0

í 1

V.42 detection phase disabled.

V.42 detection phase 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

0

í 1

V.42bis disabled.

V.42bis enabled.

2, 1

00

01

10

í 11

V.42bis disabled.

V.42bis enabled on transmit only.

V.42bis enabled on receive only.

V.42bis enabled.

3

0

Not used.

4

í 0

1

Auto-fallback/fall-forward disabled.

Auto-fallback/fall-forward enabled.

BIT-MAPPED REGISTER S51

Format:

AT [cmds] S51=n [cmds]

Default:

0

Range:

0 - 115

Description:

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

Bit

Value

Function

1, 0

í 00

01

10

11

Flow control disabled.

Bidirectional XON/XOFF flow control enabled.

CTS flow control by DCE enabled.

Bidirectional RTS/CTS flow control enabled.

3, 2

00

Not used.

4

í 0

1

Modem-to-modem flow control disabled.

Modem-to-modem flow control enabled.

5

í 0

1

Serial port speed locked.

Serial port speed follows connect speed.

6

í 0

1

XON/XOFF signals trapped by local modem.

XON/XOFF passed through local modem.

BREAK TYPE

Type:

Register

Format:

AT [cmds] S52=n [cmds]

Description:

Configures action of break signal.

Command

Break from DTE

Modem receives \B

Break received from remote modem

S52=0

Online command mode enabled, break not sent to remote modem.

Break sent to remote modem and buffers cleared.

Buffers cleared, break sent to DTE.

S52=1

Break sent to remote modem and buffers cleared.

Break sent to remote modem and buffers cleared.

Buffers cleared, break sent to DTE.

S52=2

Online command mode enabled, break not sent to remote modem.

Break sent to remote modem immediately.

Break sent immediately to DTE.

S52=3

Break sent to remote modem immediately.

Break sent to remote modem immediately.

Break sent immediately to DTE.

S52=4

Online command mode enabled, break not sent to remote modem.

Break sent with transmitted data.

Break sent with received data to the DTE.

í S52=5

Break sent with transmitted data.

Break sent with transmitted data.

Break sent with received data to the DTE.

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 displays ROM checksum result.

I3

Displays firmware components.

I4

Displays feature bitmap.

DISPLAY VERSION

Type:

Immediate

Format:

AT [cmds] -V [cmds]

Description:

Displays version number.

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 when S95=0; otherwise, S95 takes precedence.

Command

Function

í S41=0

Enables CONNECT result codes to report DTE speed.

S41=1

Enables CONNECT result codes to report DTE speed, modulation type, and compression type.

S41=2

Enables CONNECT result codes to report DCE speed.

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.

S72=11

Set speed to 19.2Kbps.

S72=12

Set speed to 21.6Kbps.

S72=13

Set speed to 24Kbps.

LOCAL SERIAL PORT SPEED - DATA TRANSFER (CON'T)

Command

Function

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.

LINE SPEED

Type:

Register

Format

AT [cmds] S37=n [cmds]

Description:

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

Command

Function

í S37=0

Speed of last AT command.

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.

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.

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 - FORCED

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 forcing low-power sleep and power-down mode. Setting S47 to 255 disables this feature.

V.32 AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmds] &Bn [cmds]

Description:

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

Command

Function

í &B0

Auto-retrain disabled, modem hangs up.

&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

í S42=0

Auto-retrain disabled, modem hangs up.

S42=1

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

S42=2

Auto-retrain disabled, modem does not hang up.

V.42 STRING LENGTH

Type:

Register

Format:

AT [cmds] S58=n [cmds]

Default:

32

Range:

6 - 64

Unit:

1 byte

Description:

Selects V.42 string length.

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.








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