ALLIED TELESYN, INC.
====================

   AT-204

   Card Type             Single Port Transceiver                  
   NIC Type              Ethernet                                 
   Network Transfer Rate 10Mbps/CSMA/CD                           
   Topology              Linear Bus                               
   Wiring Type           AUI transceiver via DB-15 port           
                                                                  
                         RG-58A/U 50ohm coaxial                   
   Data Bus              None                                     

<gopher://bitreich.org/I/th99/n/A-B/42043-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |         Function          | Label |    Function    | Label |
   |---------------------------+-------+----------------+-------|
   | AUI transceiver via DB-15 |  CN1  | BNC connector  |  CN2  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Label | Position  |
   |----------------------------------------+-------+-----------|
   |>> | SQE/Heartbeat switch disabled      |  SW1  |     0     |
   |---+------------------------------------+-------+-----------|
   |   | SQE/Heartbeat switch enabled       |  SW1  |     1     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |  LED  |    Color     | Status |         Condition          |
   |-------+--------------+--------+----------------------------|
   | Power |    Amber     |   On   |    Heartbeat signal is     |
   |       |              |        |          enabled           |
   |-------+--------------+--------+----------------------------|
   | Power |    Green     |   On   |    Heartbeat signal is     |
   |       |              |        |          disabled          |
   |-------+--------------+--------+----------------------------|
   | XMIT  | Unidentified |   On   | Data is being transmitted  |
   |-------+--------------+--------+----------------------------|
   | XMIT  | Unidentified |  Off   |     Data is not being      |
   |       |              |        |        transmitted         |
   |-------+--------------+--------+----------------------------|
   |  RCV  | Unidentified |   On   |   Data is being received   |
   |-------+--------------+--------+----------------------------|
   |  RCV  | Unidentified |  Off   | Data is not being received |
   |-------+--------------+--------+----------------------------|
   |  HB   | Unidentified |   On   | SQE test signal is present |
   |-------+--------------+--------+----------------------------|
   |  HB   | Unidentified |  Off   |   SQE test signal is not   |
   |       |              |        |          present           |
   |-------+--------------+--------+----------------------------|
   |  COL  | Unidentified |   On   |   Collision detected on    |
   |       |              |        |          network           |
   |-------+--------------+--------+----------------------------|
   |  COL  | Unidentified |  Off   |  No collision detected on  |
   |       |              |        |          network           |
   +------------------------------------------------------------+