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# 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 Bell 103/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34
Rockwell K56flex
Fax Modulation ITU-T V.17, V.27ter, V.29, V.21
Protocol
Error MNP5, V.42, V.42bis, Unidentified
Correction/Compression
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 |