PARADYNE CORPORATION
====================

   COMSPHERE 3820

   Modem Type             Data (synchronous/asynchronous)/Fax     
   Maximum Data Rate      19.2Kbps                                
   Maximum Fax Rate       14.4Kbps                                
   Data Bus               External                                
   Fax Class              Class I & II                            
   Data Modulation        AT&T V.32terbo                          
   Protocol                                                       
                          Bell 103A/212A                          
                                                                  
                          ITU-T V.21, V.22, V.22bis, V.32,        
                          V.32bis                                 
   Fax Modulation         ITU-T V.17, V27ter, V.29 (optional)     
   Protocol               
   Error                  MNP5, V.42, V.42bis                     
   Correction/Compression 

<gopher://bitreich.org/I/th99/t/P-R/53821-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose       | Location |     Purpose     | Location |
   |--------------------+----------------------------+----------|
   | Line out           |    CN1    | Scroll left on |   CN6    |
   |                    |           | LCD            |          |
   |--------------------+----------------------------+----------|
   | Line in            |   CN2    | Scroll right on |   CN7    |
   |                    |          | LCD             |          |
   |--------------------+----------+-----------------+----------|
   | RS-232/422         |   CN3    | Up one level on |   CN8    |
   |                    |          | LCD             |          |
   |--------------------+----------+-----------------+----------|
   | DC power           |   CN4    | Go to top level |   CN9    |
   |                    |          | on LCD          |          |
   |--------------------+----------+-----------------+----------|
   | Network Management |   CN5    | Power switch    |   SW1    |
   | System             |          |                 |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |   LED   | Color  | Status |           Condition            |
   |---------+--------+--------+--------------------------------|
   | RTS/105 | Green  |   On   |       RTS signal is high       |
   |---------+--------+--------+--------------------------------|
   | RTS/105 | Green  |  Off   |       RTS signal is low        |
   |---------+--------+--------+--------------------------------|
   | CTS/106 | Green  |   On   |       CTS signal is high       |
   |---------+--------+--------+--------------------------------|
   | CTS/106 | Green  |  Off   |       CTS signal is low        |
   |---------+--------+--------+--------------------------------|
   | TXD/103 | Green  |   On   |   Modem is transmitting data   |
   |---------+--------+--------+--------------------------------|
   | TXD/103 | Green  |  Off   | Modem is not transmitting data |
   |---------+--------+--------+--------------------------------|
   | LSD/109 | Green  |   On   |    Carrier signal detected     |
   |---------+--------+--------+--------------------------------|
   | LSD/109 | Green  |  Off   |  Carrier signal not detected   |
   |---------+--------+--------+--------------------------------|
   | RXD/104 | Green  |   On   |    Modem is receiving data     |
   |---------+--------+--------+--------------------------------|
   | RXD/104 | Green  |  Off   |  Modem is not receiving data   |
   |---------+--------+--------+--------------------------------|
   |   SQ    | Yellow |   On   |  Incoming signal is degraded   |
   |---------+--------+--------+--------------------------------|
   |   SQ    | Yellow |  Off   |        Normal operation        |
   +------------------------------------------------------------+

                     Proprietary AT Command Set

See PARADYNE CORPORATION, COMSHPERE 3810 for a full command summary.