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# DIAMOND MULTIMEDIA SYSTEMS, INC.
SUPRAEXPRESS 288I SP
Card Type Modem, Fax
Chip Set Unidentified
I/O Options Speaker out, microphone, RJ-11 (2)
Maximum Modem Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34, V.Fast
Fax Modulation ITU-T V.17, V.27ter, V.29, Unidentified
Protocol
Error MNP10,MNP5, V.42, V.42bis, Unidentified
Correction/Compression
Fax Class Class I
Data Bus 16-bit ISA
Card Size Half-length, half-height card
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line in | CN1 | Speaker out | CN3 |
|----------------------------+----------+-------------+------|
| Line out | CN2 | Microphone | CN4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, ‘+++’, A/ |
|------------------------------------------------------------|
| A, B, D, E, H, M, O, Q, V, W, X, |
|------------------------------------------------------------|
| &C, &V |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| %C, %G |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S25, S36, S38 |
|------------------------------------------------------------|
| 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, no flow control |
|--------------+---------------------------------------------|
| í &F2 | Reliable mode, flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports product code ID |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I2 | Tests and reports ROM checksum |
|--------------+---------------------------------------------|
| I3 | Reports ROM code revision number |
|--------------+---------------------------------------------|
| I4 | Reports supported protocols in encrypted |
| | format |
|--------------+---------------------------------------------|
| I5 | Reports firmware copyright information |
|--------------+---------------------------------------------|
| I7 | Reports data pump model |
|--------------+---------------------------------------------|
| I10 | Reports optional features supported by the |
| | modem |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the type of connection the modem |
| | will operate in |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled |
|--------------+---------------------------------------------|
| \N2 | Reliable mode enabled |
|--------------+---------------------------------------------|
| \N3 | Auto-reliable mode enabled |
|--------------+---------------------------------------------|
| \N4 | V.42 reliable mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REQUEST A RETRAIN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %En [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the retrain request |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %E0 | Do not request a retrain |
|--------------+---------------------------------------------|
| %E1 | Request a retrain |
+------------------------------------------------------------+
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 |
|--------------+---------------------------------------------|
| 9 | No common protocol found |
|--------------+---------------------------------------------|
| 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 | 12000bps |
|--------------+---------------------------------------------|
| S37=11 | 14400bps |
|--------------+---------------------------------------------|
| S37=12 | 7200bps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR CORRECTION/COMPRESSION |
|------------------------------------------------------------|
| Type: | Register |
|------------------------------------------------------------|
| Format: | AT [cmds] S46=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 136, 138 |
|--------------+---------------------------------------------|
| Range: | 138 |
|--------------+---------------------------------------------|
| Description: | Selects active error correction and |
| | compression protocols |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| S46=136 | Active error correction and compression |
| | protocols disabled |
|---------------+--------------------------------------------|
| S46=138 | Active error correction and compression |
| | protocols enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S95=n [cmds] |
|--------------+---------------------------------------------|
| 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 |
|------+-------+---------------------------------------------|
| 0 | 0 | CONNECT result code reports DTE speed. |
| | | |
| | 1 | CONNECT result code reports line speed |
| | | instead DTE speed. |
|------+-------+---------------------------------------------|
| 1 | 0 | Verbose CONNECT result codes display DTE or |
| | | line speed only. |
| | 1 | |
| | | Adds "/ARQ" to all verbose CONNECT result |
| | | codes except "NONE." |
|------+-------+---------------------------------------------|
| 2 | 0 | CARRIER result codes disabled. |
| | | |
| | 1 | CARRIER result codes enabled. |
|------+-------+---------------------------------------------|
| 3 - | 0 | Reserved |
| 4 | | |
|------+-------+---------------------------------------------|
| 5 | 0 | COMPRESSION result codes disabled. |
| | | |
| | 1 | COMPRESSION result codes enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+