XIRCOM, INC.
============

   CEM-33BT

   Card Type              Modem (asynchronous), Ethernet          
   Chipset                Unidentified                            
   Maximum Onboard Memory 64KB SRAM/256KB Flash RAM               
   Boot ROM               Not available                           
   Network Transfer Rate  10Mbps                                  
   Topology               Star                                    
   Wire Type              Unshielded twisted pair                 
   Maximum Data Rate      33.6Kbps                                
   Maximum Fax Rate       14.4Kbps                                
   Data Modulation        Bell 212A                               
                                                                  
                          ITU-T V.22, V.22bis, V.23, V.32,        
                          V.32bis, V.34                           
                                                                  
                          AT&T V.32terbo                          
   Fax Modulation         ITU-T V.17, V.27ter, V.29               
   Error                  MNP5, V.42, V.42bis                     
   Correction/Compression 
   Fax Class              Class I & II                            
   Data Bus               PCMCIA Type II                          

<gopher://bitreich.org/I/th99/t/U-Z/53326-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Function         | Label |     Function     | Label |
   |-------------------------+-------+------------------+-------|
   | MAM connector to PCMCIA |  CN1  | MAM connector to |  CN3  |
   | card                    |       | PCMCIA card      |       |
   |-------------------------+-------+------------------+-------|
   | Telephone line out      |  CN2  | Coaxial cable    |  CN4  |
   |                         |       | connector        |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED  |    Color     | Status |          Condition          |
   |------+--------------+--------+-----------------------------|
   | LED1 | Unidentified |   On   |   Card is transmitting or   |
   |      |              |        |   receiving data over the   |
   |      |              |        |            modem            |
   |------+--------------+--------+-----------------------------|
   | LED1 | Unidentified |  Off   | Card is not transmitting or |
   |      |              |        |   receiving data over the   |
   |      |              |        |            modem            |
   |------+--------------+--------+-----------------------------|
   | LED2 | Unidentified |   On   |   Carrier signal detected   |
   |------+--------------+--------+-----------------------------|
   | LED2 | Unidentified |  Off   | Carrier signal not detected |
   |------+--------------+--------+-----------------------------|
   | LED3 | Unidentified |   On   |   Card is transmitting or   |
   |      |              |        |     receiving data over     |
   |      |              |        |          Ethernet           |
   |------+--------------+--------+-----------------------------|
   | LED3 | Unidentified |  Off   | Card is not transmitting or |
   |      |              |        |     receiving data over     |
   |      |              |        |          Ethernet           |
   |------+--------------+--------+-----------------------------|
   | LED4 | Unidentified |   On   | Network connection is good  |
   |------+--------------+--------+-----------------------------|
   | LED4 | Unidentified |  Off   |    Network connection is    |
   |      |              |        |           broken            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SUPPORTED STANDARD COMMANDS                 |
   |------------------------------------------------------------|
   |                     Basic AT Commands                      |
   |------------------------------------------------------------|
   | +++, A/                                                    |
   |------------------------------------------------------------|
   | A, D, E, H, M, N, P, Q, T, V, W, X, Y, Z                   |
   |------------------------------------------------------------|
   | &C, &D, &F, &G, &K, &P, &S, &V, &W, &Y, &Z                 |
   |------------------------------------------------------------|
   |                    Extended AT Commands                    |
   |------------------------------------------------------------|
   | \A, \B, \C, \G, \K, \N, \Q, \T, \U, \V, \X, \Y, \Z         |
   |------------------------------------------------------------|
   | %A, %C, %E, %G                                             |
   |------------------------------------------------------------|
   |                    Special AT Commands                     |
   |------------------------------------------------------------|
   | -C, "H, -J, "O                                             |
   |------------------------------------------------------------|
   |                        S-Registers                         |
   |------------------------------------------------------------|
   | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S25,     |
   | S30, S46, S82, S95, S108                                   |
   |------------------------------------------------------------|
   |      Note: See MHI help file for complete information.     |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

  See document XIRCOM, INC. CEM-33BTMD for a full command summary.