3COM CORPORATION
================

   US ROBOTICS 33.6KBPS (EXTERNAL)

   Card Type              Modem                                   
   Chip Set               Unidentified                            
   I/O Options            Line out, line in                       
   Maximum Modem Rate     33.6Kbps                                
   Maximum Fax Rate       14.4Kbps                                
   Data Modulation        Bell 103A/212A, ITU-T V.21, V.22,       
   Protocol               V.22bis,V.32, V.32bis, V.34, V.FC       
   Fax Modulation         V.17, V.21, CH2, V.27ter, V.29          
   Protocol               
   Error                  MNP2-4, V.42                            
   Correction/Compression 
   Fax Class              Class I & II                            
   Data Bus               External                                

<gopher://bitreich.org/I/th99/t/0-9/54295-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |    Function     | Label  |     Function     |    Label     |
   |------------------------------------------------------------|
   | RJ-11 line in        |   CN1   | 25-pin serial port | CN3  |
   |----------------------+---------+--------------------+------|
   | RJ-11 line out       |   CN2   | Power Jack         | CN4  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |   LED   |     Color      |  Status  |      Condition       |
   |---------+----------------+----------+----------------------|
   |   AA    |  Unidentified  |    On    | Auto-answer enabled  |
   |---------+----------------+----------+----------------------|
   |   AA    |   Unidentified |   Off    | Auto-answer disabled |
   |---------+----------------+----------+----------------------|
   |   AA    |  Unidentified  | Blinking |   Phone is ringing   |
   |---------+----------------+----------+----------------------|
   |   CD    |  Unidentified  |    On    |    Carrier signal    |
   |         |                |          | detected, connection |
   |         |                |          |     established      |
   |---------+----------------+----------+----------------------|
   |   CD    |  Unidentified  |   Off    |  Carrier signal not  |
   |         |                |          |       detected       |
   |---------+----------------+----------+----------------------|
   |   RD    |   Unidentified | Blinking |  Modem is receiving  |
   |         |                |          |         data         |
   |---------+----------------+----------+----------------------|
   |   RD    |  Unidentified  |   Off    |     Modem is not     |
   |         |                |          |    receiving data    |
   |---------+----------------+----------+----------------------|
   |   TR    |   Unidentified | Blinking |  Modem is receiving  |
   |         |                |          |    DTR signal/DTR    |
   |         |                |          |    override is on    |
   |---------+----------------+----------+----------------------|
   |   TR    |  Unidentified  |   Off    |     Modem is not     |
   |         |                |          | receiving DTR signal |
   |---------+----------------+----------+----------------------|
   |   CS    |  Unidentified  |    On    |  CTS signal is high  |
   |---------+----------------+----------+----------------------|
   |   CS    |  Unidentified  |   Off    |  CTS signal is low   |
   |---------+----------------+----------+----------------------|
   | ARQ/FAX |   Unidentified |    On    |  Modem established   |
   |         |                |          |    error control     |
   |---------+----------------+----------+----------------------|
   | ARQ/FAX |  Unidentified  | Blinking | Modem retransmitting |
   |         |                |          |    data/Fax mode     |
   |         |                |          |       enabled        |
   |---------+----------------+----------+----------------------|
   | ARQ/FAX |  Unidentified  |   Off    |    Modem has not     |
   |         |                |          |  established error   |
   |         |                |          |       control        |
   +------------------------------------------------------------+

                                                                 

   +------------------------------------------------------------+
   |                   SUPPORTED COMMAND SET                    |
   |------------------------------------------------------------|
   |                     Basic AT Commands                      |
   |------------------------------------------------------------|
   | AT, A/, +++                                                |
   |------------------------------------------------------------|
   | A, B, E, F, H, M, O, P, T, V                               |
   |------------------------------------------------------------|
   | &C, &G, &T, &W                                             |
   |------------------------------------------------------------|
   |                        S Registers                         |
   |------------------------------------------------------------|
   | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
   | S18, S25, S38                                              |
   |------------------------------------------------------------|
   |                                                            |
   |------------------------------------------------------------|
   |                      Special Commands                      |
   |------------------------------------------------------------|
   | #CID                                                       |
   |------------------------------------------------------------|
   |                                                            |
   |------------------------------------------------------------|
   | Note: See MHI Help File for full command documentation.    |
   +------------------------------------------------------------+

   For a full command summary, see 3COM CORPORATION, US ROBOTICS