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SUPRAEXPRESS 336E

DIAMOND MULTIMEDIA SYSTEMS, INC.

SUPRAEXPRESS 336E

Card Type

Modem, Fax

Chip Set

Unidentified

Maximum Modem Rate

33.6Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103/212A

ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34, Rockwell V.FC

Fax Modulation Protocol

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

Error Correction/Compression

MNP 5, V.42, V.42bis

Fax Class

Class I

Data Bus

External

55022

SUPPORTED COMMAND SET

Basic AT Commands

AT, +++, A/

A, B, D, E, H, M, O, Q, V, W, X

&C, &V

Extended AT Commands

\N

%C

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S25, S38, S46

Special Commands

+MS

Note: See MHI Help File for full command documentation.

Proprietary AT Command Set

AUTO-MODE DETECTION

Type:

Configuration

Format:

AT [cmds] Nn [cmds]

Description:

Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed.

Command

Function

N0

Auto-mode detection disabled

í N1

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.32bis, V.32, V.22bis, V.22 or Bell 212, V.21, and Bell 103

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Qn [cmds]

Description:

Selects communications mode options

Command

Mode

í &Q0

Asynchronous mode, serial port speed follows connect speed.

&Q5

Asynchronous reliable mode

DATA TERMINAL READY (DTR)

Type:

Configuration

Format:

AT [cmds] &Dn [cmds]

Description:

Selects modem response to DTR

Note: The action each variant of &D causes depends on the setting of &Q

Command

Function

í &D0

Modem does not respond to DTR

&D1

Modem goes to command mode after DTR goes is off

&D2

Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.

&D3

Modem is initialized after DTR goes off

FACTORY DEFAULT PROFILE

Type:

Configuration

Format:

AT [cmds] &F [cmds]

Description:

Sets values in active profile to values found in the default profile

Command

Function

&F0

Direct mode without flow control

&F2

Reliable mode

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Enables flow control options

Command

Function

&K0

Flow control disabled

&K3

RTS/CTS flow control enabled

&K4

XON/XOFF flow control enabled

&K5

Transparent XON/XOFF flow control enabled

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports maximum data carrier rate

I1

Reports ROM checksum

I2

Tests and reports ROM checksum

I3

Reports ROM code revision number

I4

Report supported protocols in encrypted format

I5

Reports firmware copyright information

I7

Reports data pump model

I10

Reports optional features

I92

Reports product ID code

 

 

 

SPEAKER VOLUME

Type:

Configuration

Format:

AT [cmds] Ln [cmds]

Description:

Controls speaker volume

Command

Function

L0

Low volume setting

í L2

Medium volume setting

L3

Highest volume setting

Extended AT Commands

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

RATE NEGOTIATION

Type:

Configuration

Format:

AT [cmds] %Gn [cmds]

Description:

Controls rate negotiation

Command

Function

%G0

Rate negotiation disabled

%G1

Rate negotiation enabled

 

S(status) -REGISTERS

CONNECTION FAILURE CODES

Type:

Register

Format

AT [cmds] S86? [cmds]

Description:

Reports codes which correspond to the possible causes of a connection failure

Value

Meaning

0

Normal hang up

4

Carrier signal lost

5

No error-control detected for remote modem during feature negotiation

6

Remote modem failed to respond to feature negotiation

7

Local modem is asynchronous-only, remote modem is synchronous-only

8

No common framing technique found

9

No common protocol found

10

Remote modem sent erroneous feature negotiation message

11

Remote modem failed to send synchronous information

12

No failure - remote modem disconnected normally

13

Remote modem failed to respond after 10 re-transmissions same message

14

Violation of negotiated protocol caused failure

DCE 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 connection

S37=1

300bps

S37=5

1200bps

S37=6

2400bps

S37=8

4800bps

S37=9

9600bps

S37=10

12.0Kbps

S37=11

14.4Kbps

S37=12

7200bps

ERROR CORRECTION NEGOTIATION

Type:

Register

Format

AT [cmds] S36=n [cmds]

Description:

Selects the action of the modem if it fails to connect with the error-correction protocol set in &Q.

Command

Function

S36=0

Hang up

S36=1

Attempt a direct connection

S36=3

Attempt a buffered connection

S36=4

Attempt a connection at MNP2-4; if that fails, hang up.

S36=5

Attempt a connection at MNP2-4; if that fails, attempt a direct connection.

í S36=7

Attempt a connection at MNP2-4; if that fails, attempt a buffered connection.

EXTENDED RESULT CODES

Type:

Register

Format

AT [cmds] S95=n [cmds]

Default:

0

Range:

0-255

Unit:

Bit-mapped

Description:

Works in combination with the Wn command to enable extended result codes. Features enabled by S95 take precedence over the options selected by Wn.

Bit

Value

Function

1

í 0

1

Verbose CONNECT result codes display DTE or line speed only.

Adds "/ARQ" to all verbose CONNECT result codes except "NONE."

2

í 0

1

CARRIER result codes disabled.

CARRIER result codes enabled.

4

0

Enable CARRIER XXXX result code

8

0

Enable PROTOCOL XXXX result code

16

0

Reserved

32

0

Compression result code

64

0

Enable TX and RX V.34 CARRIER result code if in asymetric carrier mode

128

0

Reserved

FEATURE NEGOTIATION OPTIONS

Type:

Register

Format:

AT [cmds] S48=n [cmds]

Description:

Selects active error correction and compression protocols

Command

Function

S48=0

Detection negotiation disabled, XID negotiation disabled

í S48=7

Detection negotiation and XID negotiation enabled

S48=128

Fall-back to options set in S36