TTC COMPUTER PRODUCTS
=====================

   EHUB-601

   NIC Type         Ethernet                                      
   Transfer Rate    10Mbps                                        
   Data Bus         16-bit ISA                                    
   Topology         Linear Bus/Star                               
   Wiring Type      Unshielded twisted pair                       
                                                                  
                    AUI Transceiver via DB-15 port                
   Boot ROM         Not available                                 

<gopher://bitreich.org/I/th99/n/S-T/41341-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Purpose                  |    Location     |
   |------------------------------------------+-----------------|
   | AUI Transceiver via DB-15 port connector |       AUI       |
   |------------------------------------------+-----------------|
   |   Hub expansion card output connector    |       CN1       |
   |------------------------------------------+-----------------|
   |    Hub expansion card input connector    |       CN2       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE I/O ADDRESS SELECTION                 |
   |------------------------------------------------------------|
   |      Address        |       JP1/1       |      JP1/2       |
   |---------------------+-------------------+------------------|
   |>> |      200h       |      Closed       |      Closed      |
   |---+-----------------+-------------------+------------------|
   |   |      220h       |      Closed       |       Open       |
   |---+-----------------+-------------------+------------------|
   |   |      240h       |       Open        |      Closed      |
   |---+-----------------+-------------------+------------------|
   |   |      260h       |       Open        |       Open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   | LED  | Color | Status |             Condition              |
   |------+-------+--------+------------------------------------|
   | LED1 |  Red  |   On   |  Data is being received on port 1  |
   |------+-------+--------+------------------------------------|
   | LED1 |  Red  |  Off   | Data is not being received on port |
   |      |       |        |                 1                  |
   |------+-------+--------+------------------------------------|
   | LED2 |  Red  |   On   |  Data is being received on port 2  |
   |------+-------+--------+------------------------------------|
   | LED2 |  Red  |  Off   | Data is not being received on port |
   |      |       |        |                 2                  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DIAGNOSTIC LED(S) (CON'T)                  |
   |------------------------------------------------------------|
   |  LED  | Color  | Status |            Condition             |
   |-------+--------+--------+----------------------------------|
   | LED3  |  Red   |   On   | Data is being receive on port 3  |
   |-------+--------+--------+----------------------------------|
   | LED3  |  Red   |  Off   |  Data is not being received on   |
   |       |        |        |              port 3              |
   |-------+--------+--------+----------------------------------|
   | LED4  |  Red   |   On   | Data is being received on port 4 |
   |-------+--------+--------+----------------------------------|
   | LED4  |  Red   |  Off   |  Data is not being received on   |
   |       |        |        |              port 4              |
   |-------+--------+--------+----------------------------------|
   | LED5  |  Red   |   On   | Data is being received on port 5 |
   |-------+--------+--------+----------------------------------|
   | LED5  |  Red   |  Off   |  Data is not being received on   |
   |       |        |        |              port 5              |
   |-------+--------+--------+----------------------------------|
   | LED6  |  Red   |   On   | Data is being received on port 6 |
   |-------+--------+--------+----------------------------------|
   | LED6  |  Red   |  Off   |  Data is not being received on   |
   |       |        |        |              port 6              |
   |-------+--------+--------+----------------------------------|
   | LED7  | Green  |   On   |  Network connection is good on   |
   |       |        |        |              port 1              |
   |-------+--------+--------+----------------------------------|
   | LED7  | Yellow |   On   |   Data is being transmitted on   |
   |       |        |        |              port 1              |
   |-------+--------+--------+----------------------------------|
   | LED7  | Green  |  Off   |   Network connection is broken   |
   |       |        |        |              port 1              |
   |-------+--------+--------+----------------------------------|
   | LED7  | Yellow |  Off   | Data is not being transmitted on |
   |       |        |        |              port 1              |
   |-------+--------+--------+----------------------------------|
   | LED8  | Green  |   On   |  Network connection is good on   |
   |       |        |        |              port 2              |
   |-------+--------+--------+----------------------------------|
   | LED8  | Yellow |   On   |   Data is being transmitted on   |
   |       |        |        |              port 2              |
   |-------+--------+--------+----------------------------------|
   | LED8  | Green  |  Off   |   Network connection is broken   |
   |       |        |        |              port 2              |
   |-------+--------+--------+----------------------------------|
   | LED8  | Yellow |  Off   | Data is not being transmitted on |
   |       |        |        |              port 2              |
   |-------+--------+--------+----------------------------------|
   | LED9  | Green  |   On   |  Network connection is good on   |
   |       |        |        |              port 3              |
   |-------+--------+--------+----------------------------------|
   | LED9  | Yellow |   On   |   Data is being transmitted on   |
   |       |        |        |              port 3              |
   |-------+--------+--------+----------------------------------|
   | LED9  | Green  |  Off   |   Network connection is broken   |
   |       |        |        |              port 3              |
   |-------+--------+--------+----------------------------------|
   | LED9  | Yellow |  Off   | Data is not being transmitted on |
   |       |        |        |              port 3              |
   |-------+--------+--------+----------------------------------|
   | LED10 | Green  |   On   |  Network connection is good on   |
   |       |        |        |              port 4              |
   |-------+--------+--------+----------------------------------|
   | LED10 | Yellow |   On   |   Data is being transmitted on   |
   |       |        |        |              port 4              |
   |-------+--------+--------+----------------------------------|
   | LED10 | Green  |  Off   |   Network connection is broken   |
   |       |        |        |              port 4              |
   |-------+--------+--------+----------------------------------|
   | LED10 | Yellow |  Off   | Data is not being transmitted on |
   |       |        |        |              port 4              |
   |-------+--------+--------+----------------------------------|
   | LED11 | Green  |   On   |  Network connection is good on   |
   |       |        |        |              port 5              |
   |-------+--------+--------+----------------------------------|
   | LED11 | Yellow |   On   |   Data is being transmitted on   |
   |       |        |        |              port 5              |
   |-------+--------+--------+----------------------------------|
   | LED11 | Green  |  Off   |   Network connection is broken   |
   |       |        |        |              port 5              |
   |-------+--------+--------+----------------------------------|
   | LED11 | Yellow |  Off   | Data is not being transmitted on |
   |       |        |        |              port 5              |
   |-------+--------+--------+----------------------------------|
   | LED12 | Green  |   On   |  Network connection is good on   |
   |       |        |        |              port 6              |
   |-------+--------+--------+----------------------------------|
   | LED12 | Yellow |   On   |   Data is being transmitted on   |
   |       |        |        |              port 6              |
   |-------+--------+--------+----------------------------------|
   | LED12 | Green  |  Off   |   Network connection is broken   |
   |       |        |        |              port 6              |
   |-------+--------+--------+----------------------------------|
   | LED12 | Yellow |  Off   | Data is not being transmitted on |
   |       |        |        |              port 6              |
   +------------------------------------------------------------+