DATAPOINT CORPORATION
=====================

   ARCNETPLUS HUB

   Card Type             Arcnet hub                               
   Network Transfer Rate 2.5Mbps/20Mbps                           
   Data Bus              16-bit ISA                               
   Topology              Star                                     
   Wire Type             RG-62A/U 93ohm coaxial                   
   Boot ROM              Not available                            

<gopher://bitreich.org/I/th99/n/C-D/41772-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |    Function     | Label |         Function         | Label |
   |-----------------+-------+--------------------------+-------|
   | RG-62A/U 93ohm  |  CN1  | RG-62A/U 93ohm coaxial   |  CN4  |
   | coaxial port 1  |       | port 4                   |       |
   |-----------------+-------+--------------------------+-------|
   | RG-62A/U 93ohm  |  CN2  | Internal Datapoint       |  CN5  |
   | coaxial port 2  |       | proprietary coaxial      |       |
   |-----------------+-------+--------------------------+-------|
   | RG-62A/U 93ohm  |  CN3  |                          |       |
   | coaxial port 3  |       |                          |       |
   |------------------------------------------------------------|
   |      Note:CN5 is used to connect the hub card to an        |
   |      ARCNET, ARCNET PLUS, ARCNET HUB, or another           |
   |      ARCNETPLUS card installed in the same system.         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |   LED   |  Color   |  Status  |         Condition          |
   |---------+----------+----------+----------------------------|
   |  LED1   |  Green   |    On    |         Port 1 is          |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |          2.5Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED1   |  Green   |   Off    |       Port 1 is not        |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |          2.5Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED2   |  Yellow  |    On    |         Port 1 is          |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |           20Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED2   |  Yellow  |   Off    |       Port 1 is not        |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |           20Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED3   |  Green   |    On    |         Port 2 is          |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |          2.5Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED3   |  Green   |   Off    |       Port 2 is not        |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |          2.5Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED4   |  Yellow  |    On    |         Port 2 is          |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |           20Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED4   |  Yellow  |   Off    |       Port 2 is not        |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |           20Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED5   |  Green   |    On    |         Port 3 is          |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |          2.5Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED5   |  Green   |   Off    |       Port 3 is not        |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |          2.5Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED6   |  Yellow  |    On    |         Port 3 is          |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |           20Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED6   |  Yellow  |   Off    |       Port 3 is not        |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |           20Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED7   |  Green   |    On    |         Port 4 is          |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |          2.5Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED7   |  Green   |   Off    |       Port 4 is not        |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |          2.5Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED8   |  Yellow  |    On    |         Port 4 is          |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |           20Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED8   |  Yellow  |   Off    |       Port 4 is not        |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |           20Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED9   |  Green   |    On    |      Internal port is      |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |          2.5Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED9   |  Green   |   Off    |    Internal port is not    |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |          2.5Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED10  |  Yellow  |    On    |      Internal port is      |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |           20Mbps           |
   |---------+----------+----------+----------------------------|
   |  LED10  |  Yellow  |   Off    |    Internal port is not    |
   |         |          |          | transmitting/receiving at  |
   |         |          |          |           20Mbps           |
   |------------------------------------------------------------|
   |      Note:The locations and colors of the individual LEDs  |
   |      within each pair may be reversed from the diagram.    |
   +------------------------------------------------------------+