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 Protocol | Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34, V.Fast |
Fax Modulation Protocol | ITU-T V.17, V.27ter, V.29, Unidentified |
Error Correction/Compression | MNP10,MNP5, V.42, V.42bis, Unidentified |
Fax Class | Class I |
Data Bus | 16-bit ISA |
Card Size | Half-length, half-height card |
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 1 | CONNECT result code reports DTE speed. CONNECT result code reports line speed instead DTE speed. |
1 | 0 1 | Verbose CONNECT result codes display DTE or line speed only. Adds "/ARQ" to all verbose CONNECT result codes except "NONE." |
2 | 0 1 | CARRIER result codes disabled. CARRIER result codes enabled. |
3 - 4 | 0 | Reserved |
5 | 0 1 | COMPRESSION result codes disabled. 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 |