CABLETRON SYSTEMS, INC.
=======================

   E4020 (COAX/AUI)

   Card Type        Network Interface Card                        
   NIC Type         Ethernet                                      
   Maximum Onboard  Unidentified                                  
   Memory           
   Boot ROM         Not available                                 
   Network Transfer 10Mbps                                        
   Rate             
   Topology         Linear Bus                                    
   Wiring Type      RG-58A/U 50ohm coaxial, AUI transceiver via   
                    DB15 port                                     
   Data Bus         None                                          

<gopher://bitreich.org/I/th99/n/C-D/42448-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |          Function          | Label |   Function    | Label |
   |----------------------------+-------+---------------+-------|
   | 24 wire ribbon connector   |  CN1  | BNC connector |  CN3  |
   | to control board           |       |               |       |
   |----------------------------+-------+---------------+-------|
   | AUI connector              |  CN2  |               |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Label | Position  |
   |----------------------------------------+-------+-----------|
   |   | SQE enabled                        |  SW1  |    On     |
   |---+------------------------------------+-------+-----------|
   |>> | SQE disabled                       |  SW1  |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CABLE TYPE SELECTION                    |
   |------------------------------------------------------------|
   |              Type              |            SW2            |
   |--------------------------------+---------------------------|
   | AUI transceiver via DB-15 port |            Off            |
   |--------------------------------+---------------------------|
   | RG-58A/U 50ohm coaxial         |            On             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED  | Color  |  Status  |            Condition            |
   |------+--------+----------+---------------------------------|
   | LED1 | Yellow | Blinking |     Data is being received      |
   |------+--------+----------+---------------------------------|
   | LED1 | Yellow |   Off    |   Data is not being received    |
   |------+--------+----------+---------------------------------|
   | LED2 | Green  |    On    |           Power is on           |
   |------+--------+----------+---------------------------------|
   | LED2 | Green  |   Off    |          Power is off           |
   |------+--------+----------+---------------------------------|
   | LED3 | Green  | Blinking |    Data is being transmitted    |
   |------+--------+----------+---------------------------------|
   | LED3 | Green  |   Off    |  Data is not being transmitted  |
   |------+--------+----------+---------------------------------|
   | LED4 |  Red   | Blinking |  Collision detected on network  |
   |------+--------+----------+---------------------------------|
   | LED4 |  Red   |   Off    |    No collision detected on     |
   |      |        |          |             network             |
   +------------------------------------------------------------+