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       # ATC/UNITRON COMPUTERS AND COMPUTER PARTS
       
          FD-100
       
          NIC Type               Ethernet                                
          Maximum Onboard Memory 32KB DRAM                               
          Network Transfer Rate  10Mbps                                  
          Data Bus               Parallel                                
          Topology               Linear Bus/Star                         
          Wire Type              Unshielded twisted pair                 
                                                                         
                                 RG-58A/U 50ohm coaxial                  
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Function      | Label |       Function        | Label |
          |--------------------+-------+-----------------------+-------|
          | Parallel port      |  J1   | Unshielded twisted    |  J3   |
          |                    |       | pair connector        |       |
          |--------------------+-------+-----------------------+-------|
          | RG-58A/U 50ohm     |  J2   | DC power in           |  J4   |
          | coaxial connector  |       |                       |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          | LED  | Color  |  Status  |            Condition            |
          |------+--------+----------+---------------------------------|
          | LED1 | Yellow |    On    |      Network connection on      |
          |      |        |          | unshielded twisted pair is good |
          |------+--------+----------+---------------------------------|
          | LED1 | Yellow |   Off    |      Network connection on      |
          |      |        |          |   unshielded twisted pair is    |
          |      |        |          |             broken              |
          |------+--------+----------+---------------------------------|
          | LED1 | Yellow | Blinking |  Transceiver is receiving data  |
          |      |        |          |          from network           |
          |------+--------+----------+---------------------------------|
          | LED2 | Yellow | Blinking |   Transceiver is transmitting   |
          |      |        |          |        data from network        |
          |------+--------+----------+---------------------------------|
          | LED2 | Yellow |   Off    | Transceiver is not transmitting |
          |      |        |          |        data from network        |
          |------+--------+----------+---------------------------------|
          | LED3 | Green  |    On    |           Power is on           |
          |------+--------+----------+---------------------------------|
          | LED3 | Green  |   Off    |          Power is off           |
          +------------------------------------------------------------+