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# DIAMOND MULTIMEDIA SYSTEMS, INC.
SUPRASONIC 288 V+
Card Type Fax, Modem (synchronous/asynchronous),
Voice
Chip Set Rockwell
Maximum Data Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class I & II
Data Modulation Bell 103/212A
Protocol
ITU-T V.21, V.22bis, V.23, V.32,
V.32bis, V.34
Rockwell V.FC
Fax Modulation ITU-T V.17, V.21, V.21CH2, V.27ter,
Protocol V.29
Error MNP5, MNP10, V.42, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out/in - Unidentified | CN1 | DC power | CN4 |
|-----------------------------+---------+--------------+-----|
| Line in/out - Unidentified | CN2 | Power switch | SW1 |
|-----------------------------+---------+--------------+-----|
| RS-232/422 | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+-------+--------+------------------------------------|
| RD | Red | On | Modem is receiving data |
|------+-------+--------+------------------------------------|
| RD | Red | Off | Modem is not receiving data |
|------+-------+--------+------------------------------------|
| SD | Red | On | Modem is transmitting data |
|------+-------+--------+------------------------------------|
| SD | Red | Off | Modem is not transmitting data |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, ‘+++’, ‘comma’, A/ |
|------------------------------------------------------------|
| A, C, D, E, F, H, L, N, O, P, Q, R, S, T, U, V, W, Y, Z |
|------------------------------------------------------------|
| &A, &B, &C, &G, &J, &K, &L, &P, &S, &T, &V, &W, &X, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \C, \E, \O, \Q, \T, \U, \V, \X, \Y, \Z |
|------------------------------------------------------------|
| %A, %TT |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S18, S25, S26, |
|------------------------------------------------------------|
| S38, S46, S48, S82, S86, S90, S91, S92, S95, S99, S108, |
| S109, S110 |
|------------------------------------------------------------|
| Special Commands |
|------------------------------------------------------------|
| "H, "N, "O,-J, )M, +MS? |
|------------------------------------------------------------|
| Note: See MHI Help File for full command documentation. |
+------------------------------------------------------------+
Proprietary AT Command Set
See document SUPRAFAX MODEM 288I for a full command summary.