TIARA COMPUTER SYSTEMS, INC.
============================

   LanCard/E * MC 10BT

   NIC Type         Ethernet                                      
   Transfer Rate    10Mbps                                        
   Data Bus         MCA                                           
   Topology         Linear Bus                                    
                                                                  
                    Star                                          
   Wiring Type      Shielded twisted pair                         
                                                                  
                    Unshielded twisted pair                       
                                                                  
                    AUI transceiver via DB-15 port                
   Boot ROM         Not Available                                 

<gopher://bitreich.org/I/th99/n/S-T/40111-1.png>
   

   +------------------------------------------------------------+
   |                         CABLE TYPE                         |
   |------------------------------------------------------------|
   |          Connector type          |        JP1 - JP4        |
   |----------------------------------+-------------------------|
   | Shielded/Unshielded twisted pair |    Pins 1 & 2 closed    |
   |----------------------------------+-------------------------|
   |  AUI transceiver via DB-15 port  |    Pins 2 & 3 closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   10BASE-T CONFIGURATION                   |
   |------------------------------------------------------------|
   |                Setting                 |     JP5 & JP6     |
   |----------------------------------------+-------------------|
   |>> | 10BASE-T receive level select      | Pins 2 & 3 closed |
   |   | standard                           |                   |
   |---+------------------------------------+-------------------|
   |   | 10BASE-T receive sensitivity       | Pins 1 & 2 closed |
   |   | reduced by 4.5db                   |                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    LINK INTEGRITY TEST                     |
   |------------------------------------------------------------|
   |           Setting           |             JP7              |
   |-----------------------------+------------------------------|
   |>>        |     Enabled      |      Pins 1 & 2 closed       |
   |----------+------------------+------------------------------|
   |          |     Disabled     |      Pins 2 & 3 closed       |
   |------------------------------------------------------------|
   | Note:Link Integrity is only used with 10Base-T wiring.     |
   | When using an AUI transciever, the test should be          |
   | disabled.                                                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              ETHERNET GROUNDING CONFIGURATION              |
   |------------------------------------------------------------|
   |                Setting                 |        JP8        |
   |----------------------------------------+-------------------|
   |>> | DB-15 port pin #1 select logic     | Pins 2 & 3 closed |
   |   | ground (Ethernet standard)         |                   |
   |---+------------------------------------+-------------------|
   |   | DB-15 port pin #1 select chassis   | Pins 1 & 2 closed |
   |   | ground (Older DIX standard)        |                   |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/n/S-T/40111-2.png>
   

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |   LED    |   Status    |             Condition             |
   |----------+-------------+-----------------------------------|
   |    1     |     On      |      Data is being received       |
   |----------+-------------+-----------------------------------|
   |    1     |     Off     |    Data is not being received     |
   |----------+-------------+-----------------------------------|
   |    2     |     On      |     Data is being transmitted     |
   |----------+-------------+-----------------------------------|
   |    2     |     Off     |   Data is not being transmitted   |
   |----------+-------------+-----------------------------------|
   |    3     |     On      | Collision is detected on network  |
   |----------+-------------+-----------------------------------|
   |    3     |     Off     | No collisions detected on network |
   |----------+-------------+-----------------------------------|
   |    4     |     On      |    Network connection is good     |
   |----------+-------------+-----------------------------------|
   |    4     |     Off     |   Network connection is broken    |
   |----------+-------------+-----------------------------------|
   |    L5    |     On      |             Power on              |
   |----------+-------------+-----------------------------------|
   |    L5    |     Off     |             Power off             |
   +------------------------------------------------------------+