EVEREX SYSTEMS,INC.
===================

   EVERCOM II (300 & 1200BPS) EV-920 (VER. F)

   Card Type                    Modem (asynchronous)              
   Chip Set                     Unidentified                      
   Maximum Data Rate            1200bps                           
   Data Bus                     8-bit ISA                         
   Data Modulation Protocol     Bell 103/212A                     
                                                                  
                                ITU-T V.21, V.22                  
   Error Correction/Compression MNP5, V.42, V.42bis               

<gopher://bitreich.org/I/th99/t/E-H/52317-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Function        |  Label   |   Function   |  Label  |
   |------------------------------------------------------------|
   | Line in                     |    CN1     | Line out | CN2  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    SERIAL PORT ADDRESS                     |
   |------------------------------------------------------------|
   |          Setting           |              JP1              |
   |----------------------------+-------------------------------|
   |        COM1 (3F8h)         |   Pins 2 & 3, 5 & 6 closed    |
   |----------------------------+-------------------------------|
   |        COM2 (2F8h)         |   Pins 1 & 2, 5 & 6 closed    |
   |----------------------------+-------------------------------|
   |        COM3 (3E8h)         |   Pins 2 & 3, 4 & 5 closed    |
   |----------------------------+-------------------------------|
   |        COM4 (2E8h)         |   Pins 1 & 2, 4 & 5 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SLOT INSTALLATION                      |
   |------------------------------------------------------------|
   |             Setting             |            P3            |
   |---------------------------------+--------------------------|
   | Card installed in IBM XT-slot 8 |          Closed          |
   |---------------------------------+--------------------------|
   |  Card installed in IBM PC slot  |           Open           |
   |---------------------------------+--------------------------|
   | i Card installed in IBM AT slot |           Open           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   SUPPORTED COMMAND SET                    |
   |------------------------------------------------------------|
   |                     Basic AT Commands                      |
   |------------------------------------------------------------|
   | AT, '+++', 'Comma', A/                                     |
   |------------------------------------------------------------|
   | A, D, E, F, H, L, M, O, P, Q, S, T, V, X, Z                |
   |------------------------------------------------------------|
   |                        S Registers                         |
   |------------------------------------------------------------|
   | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16 |
   |------------------------------------------------------------|
   | Note: See MHI Help file for full command documentation.    |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

See EVEREX SYSTEMS, INC., EVERCOM II (300& 1200BPS) EV-920 (VER.1.4)

                    for a full command summary.