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

   AT-270

   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           
   Data Bus              None                                     

<gopher://bitreich.org/I/th99/n/A-B/42046-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |         Function          | Label |    Function    | Label |
   |---------------------------+-------+----------------+-------|
   | AUI transceiver via DB-15 |  CN1  | BNC connector  |  CN3  |
   |---------------------------+-------+----------------+-------|
   | AUI transceiver via DB-15 |  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 1  | Unidentified |   On   |  Power for port 1 is   |
   |           |              |        |        present         |
   |-----------+--------------+--------+------------------------|
   |  Power 1  | Unidentified |  Off   |  Power for port 1 is   |
   |           |              |        |         absent         |
   |-----------+--------------+--------+------------------------|
   |  Power 2  | Unidentified |   On   |  Power for port 2 is   |
   |           |              |        |        present         |
   |-----------+--------------+--------+------------------------|
   |  Power 2  | Unidentified |  Off   |  Power for port 2 is   |
   |           |              |        |         absent         |
   |-----------+--------------+--------+------------------------|
   | TRANSMIT  | Unidentified |   On   |     Data is being      |
   |           |              |        |      transmitted       |
   |-----------+--------------+--------+------------------------|
   | TRAMSMIT  | Unidentified |  Off   |   Data is not being    |
   |           |              |        |      transmitted       |
   |-----------+--------------+--------+------------------------|
   |  RECEIVE  | Unidentified |   On   | Data is being received |
   |-----------+--------------+--------+------------------------|
   |  RECEIVE  | Unidentified |  Off   |   Data is not being    |
   |           |              |        |        received        |
   |-----------+--------------+--------+------------------------|
   | COLLISION | Unidentified |   On   | Collision detected on  |
   |           |              |        |        network         |
   |-----------+--------------+--------+------------------------|
   | COLLSION  | Unidentified |  Off   | No collision detected  |
   |           |              |        |       on network       |
   |-----------+--------------+--------+------------------------|
   | SQE TEST  | Unidentified |   On   |     SQE is enabled     |
   |-----------+--------------+--------+------------------------|
   | SQE TEST  | Unidentified |  Off   |    SQE is disabled     |
   +------------------------------------------------------------+