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SUPRAEXPRESS 336SP (EXTERNAL)

DIAMOND MULTIMEDIA SYSTEMS, INC.

SUPRAEXPRESS 336SP (EXTERNAL)

Card Type

Modem, Fax

Chip Set

Unidentified

Maximum Modem Rate

33.6Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103A/212A

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

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I

Data Bus

External

54929

SUPPORTED COMMAND SET

Basic AT Commands

AT, +++, A/

A, B, D, E, H, M, O, Q, S, 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

Voice Commands

#VLS

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

Error correction mode

DATA TERMINAL READY (DTR)

Type:

Configuration

Format:

AT [cmds] &Dn [cmds]

Description:

Selects modem response to DTR

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

 

 

 

 

 

Audiospan Command Set

AUDIOSPAN MODE SELECTION

Type:

Configuration

Format:

AT [cmds] -SMS=x,y,z,t [cmds]

Description:

Sets the various options for Audiospan

Command

Function

x=0

Data mode

x=1

DSVD mode

x=2

Audiospan mode

x=3

Automatic mode select

y=4800

Minimum data speed 4800bps

y=7200

Minimum data speed 7200bps

y=9600

Minimum data speed 9600bps

y=12000

Minimum data speed 12000bps

y=14400

Minimum data speed 14400bps

y=16800

Minimum data speed 16800bps

y=21600

Minimum data speed 21600bps

y=24000

Minimum data speed 24000bps

y=26400

Minimum data speed 26400bps

y=28800

Minimum data speed 28800bps

z=4800

Maximum data speed 4800bps

z=7200

Maximum data speed 7200bps

z=9600

Maximum data speed 9600bps

z=12000

Maximum data speed 12000bps

z=14400

Maximum data speed 14400bps

z=16800

Maximum data speed 16800bps

z=21600

Maximum data speed 21600bps

z=24000

Maximum data speed 24000bps

z=26400

Maximum data speed 26400bps

z=28800

Maximum data speed 28800bps

AUDIOSPAN MODULATION

Type:

Configuration

Format:

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

Description:

Selects Audiospan modulation

Command

Function

x=0

V.61

x=1

ML144

x=2

ML288

y=0

Disable Audiospan automodulation

y=1

Enable Audiospan automodulation

 

 

 

 

DATA BURST

Type:

Configuration

Format:

AT [cmds] -SMC=x [cmds]

Description:

Controls the ML144 data burst

Command

Function

x=0

Disable data burst

x=1

Enable data burst

Synchronous Access Command Set

DATA COMPRESSION

Type:

Configuration

Format:

AT [cmds] +DS=w,x,y,z [cmds]

Description:

Enables synchronous access mode

Command

Function

w=0

Negotiated, no compression

w=1

Transmit only

w=2

Receive only

w=3

Transmit and receive

x=0

Do not disconnect if V.42bis is not negotiated by the remote DCE as specified in the Direction parameter

x=1

Disconnect if V.42bis is not negotiated by the remote DCE as specified in the Direction parameter

y=

Specifies the maximum number of dictionary entries which should be negotiated. Range=512 - 6553

z=

Specified the maximum string length to be negotiated. Range=6 - 250 Default=6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYNCHRONOUS ACCESS MODE

Type:

Configuration

Format:

AT [cmds] +ES=x,y,z [cmds]

Description:

Enables synchronous access mode

Command

Function

x=0

Direct mode

x=1

Initiate call with buffered mode only

x=2

Initiate V.42 withput detection phase. If V.8 is in use, disable V.42 detection phase

x=3

Initiate V.42 with detection phase

x=4

Initiate alternative protocol

y=0

Error control optional; if error control is not established, maintain DTE-DCE data rate and use buffered mode with flow control during non-error-control operation

y=1

Error control optional; if error control is not established, change DTE-DCE data rate to match line rate and use direct mode

y=2

Error control optional; if error control is not established, disconnect

y=3

Error control optional; if error control is not established, disconnect

y=4

Error control required; if error control is not established, disconnect

z=0

Direct mode

z=1

Error control disabled, use buffered mode

z=2

Error control optional; if error control is not established, maintain DTE-DCE data rate and use local buffering and flow control during non-error-control operation

z=3

Error control optional; if error control is not established, change DTE-DCE data rate to match line rate and use direct mode

z=4

Error control optional; if error control is not established, disconnect

z=5

Error control optional; if error control is not established, disconnect

z=6

Error control required; if error control is not established, disconnect

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYNCHRONOUS ACCESS SUBMODE

Type:

Configuration

Format:

AT [cmds] +ESA=a,b,c,d,e,f,g,h [cmds]

Description:

Sets the synchronous access submode

Command

Function

a=0

In transparent sub-mode, modem transmits 8-bit SYN sequence on idle. Modem receiver does not hunt for synchronized sequence.

A=1

In transparent sub-mode, modem transmits 8-bit SYN sequence on idle. Modem receiver hunts for 8-bit sequence

a=2

In transparent sub-mode, modem transmits 16-bit SYN sequence on idle. Modem receiver hunts for 16-bit sequence

b=0

In framed sub-mode, modem transmits HDLC flags on idle.

B=1

In framed sub-mode, DCE transmits marks on idle

c=0

In framed sub-mode, modem transmits abort on underrun in middle of frame

c=1

In framed sub-mode, DCE transmits a flag on underrun in middle of frame, and notifies DTE of underrun of overrun

d=0

When switching between primary and secondary channel operation in V.34 half duplex, the DCE only executes those procedures difined in section 12/V.34

d=1

When switching between primary and secondary channel operation in V.34 half duplex, the DCE executes additional procedures as described in section 8.8.5 besides those difined in section 12/V.34

e=0

CRC generation and checking disabled

e=1

In framed mode, the 16-bit CRC is generated by the modem in the transmit direction, and checked by the modem in the receive direction

e=2

In framed sub-mode, the 32-bit CRC is generated by the DCE in the transmit direction, and checked by the DCE in the receive direction

f=0

NRZI encoding and decoding disabled

f=1

NRZI encoding enabled in the DCE in the transmit direction, and NRZI decoding enabled in the DCE in the receive direction.

G

Specifies the octet value to be used while performing character-oriented framing.

H

Specifies the octet value to be used while performing character-oriented framing.

SYNCHRONOUS ACCESS SUBMODE

Type:

Configuration

Format:

AT [cmds] +ESR=a [cmds]

Description:

Sets the synchronous access submode

Command

Function

a=0

Do not use SREJ

a=1

Use SREJ if available in remote DCE; continue without it if not

a=2

Use SREJ if available in remote DCE, continue id SREJ is not available

 

 

 

 

 

 

 

 

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

15

Negotiated compression failed

16

Line speeds selected in S37 and S109 did not match

17

Time limit reached according to parameters set in S116

18

Incompatible speeds

19

BREAK disconnect

20

Key abort

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