DIAMOND MULTIMEDIA SYSTEMS, INC.
================================

   SUPRAEXPRESS 144 PLUS

   Card Type              Fax, Modem (synchronous/asynchronous)   
   Chip Set               Rockwell                                
   Maximum Data Rate      14.4Kbps                                
   Maximum Fax Rate       14.4Kbps                                
   Data Bus               External                                
   Fax Class              Class I                                 
   Data Modulation        Bell 103/212A                           
   Protocol                                                       
                          ITU-T V.21, V.22, V.22bis, V.32,        
                          V.32bis                                 
   Fax Modulation         ITU-T V.17, V.21CH2, V.27ter, V.29      
   Protocol               
   Error                  MNP5, V.42, V.42bis                     
   Correction/Compression 

<gopher://bitreich.org/I/th99/t/C-D/53795-1.png>
   

   +------------------------------------------------------------+
   |                        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              |
   |------+-------+--------+------------------------------------|
   | PWR  |  Red  |   On   |            Power is on             |
   |------+-------+--------+------------------------------------|
   | PWR  |  Red  |  Off   |            Power is off            |
   |------+-------+--------+------------------------------------|
   |  SD  |  Red  |   On   |     Modem is transmitting data     |
   |------+-------+--------+------------------------------------|
   |  SD  |  Red  |  Off   |   Modem is not transmitting data   |
   |------+-------+--------+------------------------------------|
   |  RD  |  Red  |   On   |      Modem is receiving data       |
   |------+-------+--------+------------------------------------|
   |  RD  |  Red  |  Off   |    Modem is not receiving data     |
   |------+-------+--------+------------------------------------|
   |  OH  |  Red  |   On   |         Modem is off-hook          |
   |------+-------+--------+------------------------------------|
   |  OH  |  Red  |  Off   |          Modem is on-hook          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   SUPPORTED COMMAND SET                    |
   |------------------------------------------------------------|
   |                     Basic AT Commands                      |
   |------------------------------------------------------------|
   | AT, '+++', 'comma', A/                                     |
   |------------------------------------------------------------|
   | A, E, H, L, N, O, P, R, S, T, U, V, W, Y, Z                |
   |------------------------------------------------------------|
   | &A, &B, &C, &G, &J, &K, &L, &P, &R, &S, &T, &V, &W, &X,    |
   | &Y, &Z                                                     |
   |------------------------------------------------------------|
   |                    Extended AT Commands                    |
   |------------------------------------------------------------|
   | \A, \B, \C, \E, \G, \J, \K, \L, \N, \O, \Q, \T, \U, \V,    |
   | \W, \X, \Y, \Z                                             |
   |------------------------------------------------------------|
   | %A, %C, %E, %L, %Q, %TT                                    |
   |------------------------------------------------------------|
   |                        S Registers                         |
   |------------------------------------------------------------|
   | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
   | S18, S38, S39,                                             |
   |------------------------------------------------------------|
   | S46, S48, S82, S86, S90, S91, S92, S95, S99, S108, S109,   |
   | S110, 201                                                  |
   |------------------------------------------------------------|
   |                      Special Commands                      |
   |------------------------------------------------------------|
   | "H, "N, "O,-J, )M, :E, +MS?, +MS                           |
   |------------------------------------------------------------|
   | Note: See MHI Help File for full command documentation.    |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

     See model SUPRAEXPRESS 288 PNP for a full command summary.