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SUPRA PC CARD

DIAMOND MULTIMEDIA SYSTEMS, INC.

SUPRA PC CARD

Card Type

Modem (synchronous/asynchronous), Fax, Sound card

Chip Set

Unidentified

Maximum Modem Rate

56Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103/212A

ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34

Rockwell K56flex

Fax Modulation Protocol

ITU-T V.17, V.27ter, V.29, V.21

Error Correction/Compression

MNP5, V.42, V.42bis, Unidentified

Fax Class

Class I

Data Bus

PCMCIA

55023

SUPPORTED COMMAND SET

Basic AT Commands

AT, A/

A, B, D, E, H, M, O, P, Q, S, T, V, W, X, Y, Z

&C, &D, &M, &P, &Q, &R, &T, &W, &X, &Y, &Z

Extended AT Commands

\K, \N, \V

%E, %L, %Q

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25,

S26, S27, S28, S29, S30, S31, S32, S33, S36, S37, S38, S39, S40, S41, S46, S48, S82, S86, S91,

S92, S95

Special Commands

-K, +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

Auto-mode detection enabled

 

 

 

 

 

 

 

 

 

CONFIGURATION PROFILES

Type:

Immediate

Format:

AT [cmds] &V [cmds]

Description:

Displays active and stored configuration profiles

Command

Function

&V0

Display current configurations

&V1

Diagnostics: RBS counter shows number of least significant bits robbed per three bytes. Digital pad detection determines if a digital pad was encountered and if so, the digital loss.

DATA SET READY (DSR)

Type:

Configuration

Format:

AT [cmds] &Sn [cmds]

Description:

Selects DSR options

Command

Function

&S0

DSR forced high

í &S1

DSR high only while modem is handshaking or connected

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

í &F0

Restore factory configuration 0

&F1

Restore factory configuration 1

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Enables flow control options

Command

Function

&K0

Flow control disabled

í &K3

RTS/CTS flow control enabled

&K4

XON/XOFF flow control enabled

&K5

Transparent XON/XOFF flow control enabled

&K6

Both RTS/CTS and XON/XOFF flow control enabled

GUARD TONE

Type:

Configuration

Format:

AT [cmds] &Gn [cmds]

Description:

Commands the modem to transmit a guard tone in V.22/V.22bis

Note: Used primarily for international data transmission

Command

Function

í &G0

Guard tone disabled

&G1

Guard tone disabled

&G2

1800Hz guard tone enabled

JACK TYPE

Type:

Configuration

Format:

AT [cmds] &Jn [cmds]

Description:

Selects jack type

Note: Performs no function. Included for compatibility only.

LINE MODULATION

Type:

Configuration

Format:

AT [cmds] Fn [cmds]

Description:

Selects the modulation mode

Command

Function

F0

Auto-detect mode

í F1

V.21 or Bell 212A @ 1200bps

F2

Reserved

F3

V.23 line modulation

F4

V.22 or Bell 212A @ 1200bps

F5

V.22bis line modulation

F6

V.32bis or V.32 @ 4800bps line modulation

F7

V.32bis @ 7200bps line modulation

F8

V.32bis or V.32 @ 9600bps line modulation

F9

V.32bis @ 12000bps line modulation

F10

V.32bis @ 14400 line modulation

LINE TYPE

Type:

Configuration

Format:

AT [cmds] &Ln [cmds]

Description:

Selects line type

Command

Line Type

í &L0

Switched line (PSTN/Dial-up)

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 firmware revision, model, and interface type

I4

Report response programmed by an OEM

I5

Report the country code parameter

I6

Reports modem data pump model and code revision

I7

Reports the DAA code

 

 

 

 

SPEAKER VOLUME

Type:

Configuration

Format:

AT [cmds] Ln [cmds]

Description:

Controls speaker volume

Command

Function

L0

Low volume setting

L1

Low volume setting

í L2

Medium volume setting

L3

Highest volume setting

TRANSMIT CARRIER

Type:

Configuration

Format:

AT [cmds] Cn [cmds]

Description:

Controls the transmit carrier switching

Note: Disabling the transmit carrier puts the modem in receive-only mode

Command

Function

í C1

Return OK message

Extended AT Commands

RATE NEGOTIATION

Type:

Configuration

Format:

AT [cmds] %Gn [cmds]

Description:

Controls the rate negotiation

Command

Function

í %G0

Request a rate negotiation

%G1

Monitor line quality and automatically request a rate negotiation if line conditions are bad

Special AT Commands

MNP - TRANSMIT LEVEL

Type:

Configuration

Format:

AT [cmds] -SECn [cmds]

Description:

Selects MNP transmit level

Command

Function

-SEC0

Disable MNP10-EC

-SEC1

Enable MNP10-EC and set transmit level to 30dBm

SYNCHRONOUS ACCESS COMMAND SET

CAPABILITIES LIST

Type:

Configuration

Format:

AT [cmds] +GCAP

Description:

Displays a complete capabilities list

DATA COMPRESSION

Type:

Configuration

Format:

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

Description:

Controls the V.42bis data compression function

Command

Function

v=0

No compression

v=1

Compression on transmit only

v=2

Compression on receive only

v=3

Bi-directional compression

x=0

Do not disconnect if V.42bis is not negotiated by the remote DEC 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 = 512-65535)

z=

Specifies the maximum string length to be negotiated (Range = 6-250, Default = 6)

FLOW CONTROL THRESHOLDS

Type:

Configuration

Format:

AT [cmds] +ITF

Description:

Allows the DTE to determine the input buffer size in the DCE for data on curcuit 103 from the DTE. To control the thresholds used for flow control of such data, and to control how often the DCE reports to the DTE the number of octets in this buffer.

SELECTIVE REPEAT

Type:

Configuration

Format:

AT [cmds] +ESR=n [cmds]

Description:

Controls the selective repeat

Command

Function

n=0

Do not use SREJ

n=1

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 without 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 made flow 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 - only LAPM

y=4

Error control required; if error control is not established, disconnect - only MNP

z=0

Direct mode

z=1

EC disabled; use buffered mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYNCHRONOUS ACCESS SUBMODE

Type:

Configuration

Format:

AT [cmds] +ESA=s,t,u,v,w,x,y,z [cmds]

Description:

Controls the operation of the synchronous access mode in the DCE

Command

Function

s=0

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

S=1

In transparent sub-mode, DCE trtansmits 8-bit SYN sequence on idle. DCE receiver hunts for 8-bit SYN sequence

s=2

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

t=0

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

T=1

In framed sub-mode, the DCE transmits marks (one bits)

u=0

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

u=1

In framed sub-mode, DCE transmits HDLC flag on underrun during a frame

v=0

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

v=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 defined in section 12/V.34

w=0

CRC generation and checking disabled

w=1

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

w=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

x=0

NRZI encoding and decoding disabled

x=1

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

y=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

z=

Reserved

S(status) -REGISTERS

AUTOSYNC OPTIONS

Type:

Register

Format

AT [cmds] S19=n [cmds]

Default:

Unidentified

Range:

Unidentified

Unit:

Unidentified

Description:

Sets the options for autosync

HDLC ADDRESS OR BSC SYNC CHARACTER

Type:

Register

Format

AT [cmds] S20=n [cmds]

Default:

Unidentified

Range:

Unidentified

Unit:

Unidentified

Description:

Sets the Autosync HDLC address or BSC sync character